[INFO] cloning repository https://github.com/tekjar/pixhawk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tekjar/pixhawk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fpixhawk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fpixhawk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03e420754a239002af709d1cd4e2bce32b748310
[INFO] checking tekjar/pixhawk against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fpixhawk" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tekjar/pixhawk on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tekjar/pixhawk
[INFO] finished tweaking git repo https://github.com/tekjar/pixhawk
[INFO] tweaked toml for git repo https://github.com/tekjar/pixhawk written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tekjar/pixhawk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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 vcell v0.1.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.0
[INFO] [stderr]   Downloaded panic-abort v0.2.0
[INFO] [stderr]   Downloaded bare-metal v0.2.1
[INFO] [stderr]   Downloaded cortex-m v0.5.3
[INFO] [stderr]   Downloaded panic-semihosting v0.3.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.5.1
[INFO] [stderr]   Downloaded stm32f4 v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40f5d853ac97a422bc04c4fc0e81793d903b1f7814970057bb87359b7df86bfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40f5d853ac97a422bc04c4fc0e81793d903b1f7814970057bb87359b7df86bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f5d853ac97a422bc04c4fc0e81793d903b1f7814970057bb87359b7df86bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f5d853ac97a422bc04c4fc0e81793d903b1f7814970057bb87359b7df86bfb", kill_on_drop: false }`
[INFO] [stdout] 40f5d853ac97a422bc04c4fc0e81793d903b1f7814970057bb87359b7df86bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b2c2f388a5d563a50aaed07790e7dad5846e881afd26589d32821e412a8d48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0b2c2f388a5d563a50aaed07790e7dad5846e881afd26589d32821e412a8d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking bare-metal v0.2.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling stm32f4 v0.2.2
[INFO] [stderr]     Checking panic-abort v0.2.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(panic_implementation)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `#[panic_handler]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stdout] error: cannot find attribute `panic_implementation` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[panic_implementation]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-abort`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a0b2c2f388a5d563a50aaed07790e7dad5846e881afd26589d32821e412a8d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b2c2f388a5d563a50aaed07790e7dad5846e881afd26589d32821e412a8d48", kill_on_drop: false }`
[INFO] [stdout] a0b2c2f388a5d563a50aaed07790e7dad5846e881afd26589d32821e412a8d48