[INFO] crate polylog 0.3.0 is already in cache
[INFO] testing polylog-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate polylog 0.3.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate polylog 0.3.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate polylog 0.3.0
[INFO] finished tweaking crates.io crate polylog 0.3.0
[INFO] tweaked toml for crates.io crate polylog 0.3.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 5f0ae406caa5a1db684dfa4cfa5aa1ab3dd8af4b60299983a5249a58bfc284c4
[INFO] running `"docker" "start" "-a" "5f0ae406caa5a1db684dfa4cfa5aa1ab3dd8af4b60299983a5249a58bfc284c4"`
[INFO] [stderr]    Compiling polylog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "5f0ae406caa5a1db684dfa4cfa5aa1ab3dd8af4b60299983a5249a58bfc284c4"`
[INFO] running `"docker" "rm" "-f" "5f0ae406caa5a1db684dfa4cfa5aa1ab3dd8af4b60299983a5249a58bfc284c4"`
[INFO] [stdout] 5f0ae406caa5a1db684dfa4cfa5aa1ab3dd8af4b60299983a5249a58bfc284c4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe951fe88b4528bc54b2845e4333633e8c791f2042a3a21db86084826a5c8655
[INFO] running `"docker" "start" "-a" "fe951fe88b4528bc54b2845e4333633e8c791f2042a3a21db86084826a5c8655"`
[INFO] [stderr]    Compiling polylog v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not compile `polylog`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name li2 tests/li2.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=d1f30ba257728e62 -C extra-filename=-d1f30ba257728e62 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num=/opt/rustwide/target/debug/deps/libnum-2f2488239b13fbdd.rlib --extern polylog=/opt/rustwide/target/debug/deps/libpolylog-5940ab3e21526922.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ec63233c977109e8.rlib --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 `"docker" "inspect" "fe951fe88b4528bc54b2845e4333633e8c791f2042a3a21db86084826a5c8655"`
[INFO] running `"docker" "rm" "-f" "fe951fe88b4528bc54b2845e4333633e8c791f2042a3a21db86084826a5c8655"`
[INFO] [stdout] fe951fe88b4528bc54b2845e4333633e8c791f2042a3a21db86084826a5c8655