[INFO] fetching crate serialio 0.1.2...
[INFO] testing serialio-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serialio 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serialio 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate serialio 0.1.2
[INFO] finished tweaking crates.io crate serialio 0.1.2
[INFO] tweaked toml for crates.io crate serialio 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ec1884f3a8c96c86dc953252722337e561e63f4e154e3966158e59809757490
[INFO] running `Command { std: "docker" "start" "-a" "2ec1884f3a8c96c86dc953252722337e561e63f4e154e3966158e59809757490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec1884f3a8c96c86dc953252722337e561e63f4e154e3966158e59809757490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec1884f3a8c96c86dc953252722337e561e63f4e154e3966158e59809757490", kill_on_drop: false }`
[INFO] [stdout] 2ec1884f3a8c96c86dc953252722337e561e63f4e154e3966158e59809757490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d60d1d6ae7435d79afc5ce3c5a9f381b0ddf5dceb868dededd6df612eb54ca
[INFO] running `Command { std: "docker" "start" "-a" "89d60d1d6ae7435d79afc5ce3c5a9f381b0ddf5dceb868dededd6df612eb54ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling serialio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "89d60d1d6ae7435d79afc5ce3c5a9f381b0ddf5dceb868dededd6df612eb54ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d60d1d6ae7435d79afc5ce3c5a9f381b0ddf5dceb868dededd6df612eb54ca", kill_on_drop: false }`
[INFO] [stdout] 89d60d1d6ae7435d79afc5ce3c5a9f381b0ddf5dceb868dededd6df612eb54ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c800d05bd440ac8ba5ad6680f12f644f244d20f37a66941f028410cdce51bd2
[INFO] running `Command { std: "docker" "start" "-a" "5c800d05bd440ac8ba5ad6680f12f644f244d20f37a66941f028410cdce51bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling stm32f30x v0.7.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling f3 v0.6.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling lsm303dlhc v0.2.0
[INFO] [stderr]    Compiling l3gd20 v0.2.0
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling stm32f30x-hal v0.2.0
[INFO] [stderr]    Compiling serialio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/format_output-8347512c0a93907b.format_output.89da1b5e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/format_output-8347512c0a93907b.2p157ttvijidy3ps.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-a7b5c77707d321bb/out" "-L" "/opt/rustwide/target/debug/build/f3-a528ece69d410111/out" "-L" "/opt/rustwide/target/debug/build/stm32f30x-670921d0d6f8adba/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libf3-2d74dfb3f91ecdab.rlib" "/opt/rustwide/target/debug/deps/liblsm303dlhc-10628d777a652046.rlib" "/opt/rustwide/target/debug/deps/libl3gd20-c9e00dce56484ffd.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-cd865c77c983e972.rlib" "/opt/rustwide/target/debug/deps/libserialio-8a177e32cd1021de.rlib" "/opt/rustwide/target/debug/deps/libstm32f30x_hal-072ca30b82962fa8.rlib" "/opt/rustwide/target/debug/deps/libstm32f30x-575269b360551d08.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-fb8ef53aba53df6a.rlib" "/opt/rustwide/target/debug/deps/libr0-35134fd539cdc66e.rlib" "/opt/rustwide/target/debug/deps/libcast-717e809bf76d31e0.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-5bebd0ea2ca43905.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-8a8ddfd52899ea75.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-3eeadeabb9a67bcc.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-a639ae5825c7458b.rlib" "/opt/rustwide/target/debug/deps/libvoid-1811ab43c755f344.rlib" "/opt/rustwide/target/debug/deps/libnb-1bc2890c6237439f.rlib" "/opt/rustwide/target/debug/deps/libnb-51f84ffe23143f78.rlib" "/opt/rustwide/target/debug/deps/libaligned-c0e03da1f4d90ccf.rlib" "/opt/rustwide/target/debug/deps/libas_slice-9548e1077bad6002.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-e1dca959fccb2dec.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-b60ff64c24752c3b.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-864871189797e960.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-e511c4f580b08c43.rlib" "/opt/rustwide/target/debug/deps/libtypenum-a84dbbbfb22d95f7.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-f7d7e072ae8b15b9.rlib" "/opt/rustwide/target/debug/deps/libvcell-2b1fa58db60e6957.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-7223c250dd259760.rlib" "/opt/rustwide/target/debug/deps/libaligned-fa07766e850acc6a.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-8495941838bff905.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/format_output-8347512c0a93907b" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-8347512c0a93907b.format_output.89da1b5e-cgu.0.rcgu.o: in function `cortex_m::register::primask::read':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/register/primask.rs:29: undefined reference to `__primask_r'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-8347512c0a93907b.format_output.89da1b5e-cgu.0.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-8347512c0a93907b.format_output.89da1b5e-cgu.0.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-8347512c0a93907b.format_output.89da1b5e-cgu.0.rcgu.o: in function `cortex_m::asm::bkpt':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:15: undefined reference to `__bkpt'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialio` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5c800d05bd440ac8ba5ad6680f12f644f244d20f37a66941f028410cdce51bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c800d05bd440ac8ba5ad6680f12f644f244d20f37a66941f028410cdce51bd2", kill_on_drop: false }`
[INFO] [stdout] 5c800d05bd440ac8ba5ad6680f12f644f244d20f37a66941f028410cdce51bd2