[INFO] fetching crate razorback 0.1.0...
[INFO] testing razorback-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate razorback 0.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate razorback 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-26/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-26/source/rust-toolchain
[INFO] started tweaking crates.io crate razorback 0.1.0
[INFO] finished tweaking crates.io crate razorback 0.1.0
[INFO] tweaked toml for crates.io crate razorback 0.1.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate razorback 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v0.2.5
[INFO] [stderr]   Downloaded rtic-core v0.3.1
[INFO] [stderr]   Downloaded rtic-monotonic v0.1.0-alpha.1
[INFO] [stderr]   Downloaded cortex-m-rtic v0.6.0-alpha.4
[INFO] [stderr]   Downloaded rtic-syntax v0.5.0-alpha.3
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v0.6.0-alpha.4
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.9.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded rtcc v0.2.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.14
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded embedded-time v0.11.0
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded cortex-m v0.7.2
[INFO] [stderr]   Downloaded stm32f4 v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05da350930d7d6b4b0b3c787ab471f5bcf65eed91d3691954adc6f466166463e
[INFO] running `Command { std: "docker" "start" "-a" "05da350930d7d6b4b0b3c787ab471f5bcf65eed91d3691954adc6f466166463e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05da350930d7d6b4b0b3c787ab471f5bcf65eed91d3691954adc6f466166463e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05da350930d7d6b4b0b3c787ab471f5bcf65eed91d3691954adc6f466166463e", kill_on_drop: false }`
[INFO] [stdout] 05da350930d7d6b4b0b3c787ab471f5bcf65eed91d3691954adc6f466166463e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9ac41b69175b5ed46c196254556dd269f2a3035992e06684199001f9d733444
[INFO] running `Command { std: "docker" "start" "-a" "d9ac41b69175b5ed46c196254556dd269f2a3035992e06684199001f9d733444", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling void v1.0.2
[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 hashbrown v0.9.1
[INFO] [stderr]    Compiling stm32f4 v0.13.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rtic-core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cortex-m-rtic v0.6.0-alpha.4
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-dma v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling rtic-syntax v0.5.0-alpha.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.11.0
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling rtcc v0.2.1
[INFO] [stderr]    Compiling rtic-monotonic v0.1.0-alpha.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.6.0-alpha.4
[INFO] [stderr]    Compiling stm32f4xx-hal v0.9.0
[INFO] [stderr]    Compiling razorback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.4kte6fzu0f2f9trx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-f1beee9d6d38874f/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstm32f4-74398dbd03920208.rlib" "/opt/rustwide/target/debug/deps/librtic-5a2ae52833c045e9.rlib" "/opt/rustwide/target/debug/deps/libheapless-a234c59be56d5afe.rlib" "/opt/rustwide/target/debug/deps/libas_slice-a4cfdb26555040c7.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-4c7df25a5e0346da.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-ed10ecb6cf3037da.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-167a5962ec58f2e7.rlib" "/opt/rustwide/target/debug/deps/libhash32-fddc61740b384e71.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-4c930b6860523d46.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-25205935fbe97910.rlib" "/opt/rustwide/target/debug/deps/libtypenum-a00116533befcfb3.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-a7e6804a0423452c.rlib" "/opt/rustwide/target/debug/deps/librtic_monotonic-6f32bbce6f1c5b4e.rlib" "/opt/rustwide/target/debug/deps/libembedded_time-1ea9a1995cc29770.rlib" "/opt/rustwide/target/debug/deps/libnum-c1dd9ad03284018a.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-ba07647cfd4bd98c.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-c7e48476d600464d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-abb97986d4ce939e.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-6cd9ff75641bd640.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-41fda7c684ad088a.rlib" "/opt/rustwide/target/debug/deps/librtic_core-1782f999b4b8d937.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-d8746e72d915d532.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-e29b78b4ef500f71.rlib" "/opt/rustwide/target/debug/deps/libvoid-bbb98054dd984e62.rlib" "/opt/rustwide/target/debug/deps/libnb-3e8ec291abb88d98.rlib" "/opt/rustwide/target/debug/deps/libnb-9641b76611565d95.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-95dc4dfd786657fb.rlib" "/opt/rustwide/target/debug/deps/libvcell-43732874c2367b5d.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-de84c97b1aef6794.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-992a7a8951b3a516.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.0.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.0.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/razorback-dedd82f7cf44f3d9.razorback.5b616961-cgu.2.rcgu.o: in function `cortex_m::asm::wfi':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.2/src/asm.rs:55: undefined reference to `__wfi'
[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 `razorback` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d9ac41b69175b5ed46c196254556dd269f2a3035992e06684199001f9d733444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ac41b69175b5ed46c196254556dd269f2a3035992e06684199001f9d733444", kill_on_drop: false }`
[INFO] [stdout] d9ac41b69175b5ed46c196254556dd269f2a3035992e06684199001f9d733444