[INFO] fetching crate uom 0.31.1...
[INFO] testing uom-0.31.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate uom 0.31.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uom 0.31.1 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] started tweaking crates.io crate uom 0.31.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate uom 0.31.1
[INFO] tweaked toml for crates.io crate uom 0.31.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate uom 0.31.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 63d466398d1ec5c145511efd850bffc4d57e94c70779b966ecaa3ad02e7e8d7a
[INFO] running `Command { std: "docker" "start" "-a" "63d466398d1ec5c145511efd850bffc4d57e94c70779b966ecaa3ad02e7e8d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d466398d1ec5c145511efd850bffc4d57e94c70779b966ecaa3ad02e7e8d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d466398d1ec5c145511efd850bffc4d57e94c70779b966ecaa3ad02e7e8d7a", kill_on_drop: false }`
[INFO] [stdout] 63d466398d1ec5c145511efd850bffc4d57e94c70779b966ecaa3ad02e7e8d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0ea3ae69c4c1d93e0c13e37e2fed348dd8b8eeb49037ff70b956597ad2e5f648
[INFO] running `Command { std: "docker" "start" "-a" "0ea3ae69c4c1d93e0c13e37e2fed348dd8b8eeb49037ff70b956597ad2e5f648", kill_on_drop: false }`
[INFO] [stderr]    Compiling uom v0.31.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.05s
[INFO] running `Command { std: "docker" "inspect" "0ea3ae69c4c1d93e0c13e37e2fed348dd8b8eeb49037ff70b956597ad2e5f648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea3ae69c4c1d93e0c13e37e2fed348dd8b8eeb49037ff70b956597ad2e5f648", kill_on_drop: false }`
[INFO] [stdout] 0ea3ae69c4c1d93e0c13e37e2fed348dd8b8eeb49037ff70b956597ad2e5f648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6ecabf08892c120b374389abf4344bb6f10144fe7fc8bbbb221118f4d556eb1b
[INFO] running `Command { std: "docker" "start" "-a" "6ecabf08892c120b374389abf4344bb6f10144fe7fc8bbbb221118f4d556eb1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling uom v0.31.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `uom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name uom --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="autoconvert"' --cfg 'feature="default"' --cfg 'feature="f32"' --cfg 'feature="f64"' --cfg 'feature="si"' --cfg 'feature="std"' -C metadata=6068e9e967e8141b -C extra-filename=-6068e9e967e8141b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-fe86ed42f9bda68f.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-45fad5d087c92369.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-3a693a62aa655211.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0e5c0132a3a0ce09.rlib --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-62b1a5cbf56a9f5f.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-3e376aaa9378417c.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6ecabf08892c120b374389abf4344bb6f10144fe7fc8bbbb221118f4d556eb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecabf08892c120b374389abf4344bb6f10144fe7fc8bbbb221118f4d556eb1b", kill_on_drop: false }`
[INFO] [stdout] 6ecabf08892c120b374389abf4344bb6f10144fe7fc8bbbb221118f4d556eb1b