diff --git a/.ci/travis-ci b/.ci/travis-ci
index 678fb9a99c..923557554c 100755
--- a/.ci/travis-ci
+++ b/.ci/travis-ci
@@ -1,9 +1,24 @@
+# Copyright 2019 Shift Cryptosecurity AG
+# Copyright 2020 Shift Crypto AG
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #!/bin/bash
 
 set -e
 set -x
 
-CONTAINER=shiftcrypto/firmware_v2:15
+CONTAINER=shiftcrypto/firmware_v2:16
 
 if [ "$1" == "pull" ] ; then
 	docker pull "$CONTAINER"
diff --git a/Dockerfile b/Dockerfile
index 57c42e4dc3..ddc5e69fc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 # Copyright 2019 Shift Cryptosecurity AG
+# Copyright 2020 Shift Crypto AG
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -121,7 +122,7 @@ ENV GOPATH /opt/go
 ENV GOROOT /opt/go_dist/go
 ENV PATH $GOROOT/bin:$GOPATH/bin:$PATH
 RUN mkdir -p /opt/go_dist && \
-    curl https://dl.google.com/go/go1.11.linux-amd64.tar.gz | tar -xz -C /opt/go_dist
+    curl https://dl.google.com/go/go1.14.4.linux-amd64.tar.gz | tar -xz -C /opt/go_dist
 
 RUN go get -v -u github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc
 
diff --git a/rust-toolchain b/rust-toolchain
index 8bd4ff0a8a..372cf402c7 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2020-04-06
+1.44.0
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 500fd95de3..fe43ac3cfa 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,6 @@
 # Copyright (c) 2015-2016 Lucas Betschart, Douglas J. Bakkum
 # Copyright 2019 Shift Cryptosecurity AG
+# Copyright 2020 Shift Crypto AG
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -449,8 +450,12 @@ foreach(type ${RUST_LIBS})
     RUSTC_BOOTSTRAP=1
     ${CARGO} build --manifest-path ${LIBBITBOX02_RUST_SOURCE_DIR}/Cargo.toml --features target-${type} --target-dir ${RUST_BINARY_DIR} ${RUST_CARGO_FLAG} ${RUST_TARGET_ARCH_ARG}
     # Rust packages stdlib functions which we must remove/weaken on the arm target
+    # Currently the removed symbols only clash in device-tests for some reason. Without this command, compiling device tests would result in errors like:
+    # Linking C executable ../../bin/fw_test_usb_cmd_process.elf
+    # /usr/local/bin/../lib/gcc/arm-none-eabi/8.2.1/../../../../arm-none-eabi/bin/ld: /usr/local/bin/../lib/gcc/arm-none-eabi/8.2.1/thumb/v7e-m+fp/softfp/libgcc.a(_arm_addsubdf3.o): in function `__aeabi_dsub':
+    # (.text+0x8): multiple definition of `__aeabi_dsub'; ../../lib/libfirmware_rust_c.a(compiler_builtins-5829be534503bd8e.compiler_builtins.cthmhl66-cgu.175.rcgu.o):/cargo/registry/src/github.com-1ecc6299db9ec823/compiler_builtins-0.1.27/src/macros.rs:226: first defined here
     COMMAND
-    if test "x${RUST_TARGET_ARCH}" = "xthumbv7em-none-eabi" \; then ${CMAKE_OBJCOPY} -N memset -N memcpy -N memmove -W memcmp ${lib} \; fi
+    if test "x${RUST_TARGET_ARCH}" = "xthumbv7em-none-eabi" \; then ${CMAKE_OBJCOPY} -W __aeabi_dsub -W __aeabi_dadd -W__aeabi_i2d -W __aeabi_f2d -W __aeabi_dmul ${lib} \; fi
     COMMAND
     ${CMAKE_COMMAND} -E copy ${lib} ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/lib${type}_rust_c.a
     BYPRODUCTS
@@ -466,7 +471,15 @@ if(CMAKE_CROSSCOMPILING)
 
   add_custom_target(rust-docs
     COMMAND
-      ${CMAKE_COMMAND} -E env CMAKE_CURRENT_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR} SYSROOT=${CMAKE_SYSROOT} INCLUDES="${RUST_INCLUDES}" ${CARGO} doc --document-private-items --manifest-path ${LIBBITBOX02_RUST_SOURCE_DIR}/Cargo.toml --target-dir ${CMAKE_BINARY_DIR}/docs-rust ${RUST_CARGO_FLAG} --target thumbv7em-none-eabi
+      ${CMAKE_COMMAND} -E env
+      # enable nightly features in the stable release - needed to activate alloc_error_handler.
+      # see src/rust/bitbox02-rust-c/src/lib.rs.
+      # https://github.com/rust-lang/rust/issues/66740
+      RUSTC_BOOTSTRAP=1
+      CMAKE_CURRENT_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}
+      SYSROOT=${CMAKE_SYSROOT}
+      INCLUDES="${RUST_INCLUDES}"
+      ${CARGO} doc --document-private-items --manifest-path ${LIBBITBOX02_RUST_SOURCE_DIR}/Cargo.toml --target-dir ${CMAKE_BINARY_DIR}/docs-rust ${RUST_CARGO_FLAG} --target thumbv7em-none-eabi
     COMMAND
       ${CMAKE_COMMAND} -E echo "See docs at file://${CMAKE_BINARY_DIR}/docs-rust/thumbv7em-none-eabi/doc/bitbox02_rust/index.html"
   )