[INFO] fetching crate birdseye 0.3.6...
[INFO] testing birdseye-0.3.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate birdseye 0.3.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate birdseye 0.3.6 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] started tweaking crates.io crate birdseye 0.3.6
[INFO] finished tweaking crates.io crate birdseye 0.3.6
[INFO] tweaked toml for crates.io crate birdseye 0.3.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate birdseye 0.3.6 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] 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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61bbb9cb324deb72249afefd697524040684085e2b6c1be3c8439433a0514870
[INFO] running `Command { std: "docker" "start" "-a" "61bbb9cb324deb72249afefd697524040684085e2b6c1be3c8439433a0514870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bbb9cb324deb72249afefd697524040684085e2b6c1be3c8439433a0514870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bbb9cb324deb72249afefd697524040684085e2b6c1be3c8439433a0514870", kill_on_drop: false }`
[INFO] [stdout] 61bbb9cb324deb72249afefd697524040684085e2b6c1be3c8439433a0514870
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8fe9293aacf339e7bf4338a12c1bad87e14f54614c12886887e8c4785f4774
[INFO] running `Command { std: "docker" "start" "-a" "3e8fe9293aacf339e7bf4338a12c1bad87e14f54614c12886887e8c4785f4774", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling emath v0.13.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling ordered-float v2.5.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glium v0.30.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling owned_ttf_parser v0.12.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.24.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=40c9d963227b01f7 -C extra-filename=-40c9d963227b01f7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e8fe9293aacf339e7bf4338a12c1bad87e14f54614c12886887e8c4785f4774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8fe9293aacf339e7bf4338a12c1bad87e14f54614c12886887e8c4785f4774", kill_on_drop: false }`
[INFO] [stdout] 3e8fe9293aacf339e7bf4338a12c1bad87e14f54614c12886887e8c4785f4774