[INFO] fetching crate bracket 0.10.0...
[INFO] testing bracket-0.10.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bracket 0.10.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate bracket 0.10.0 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 bracket 0.10.0
[INFO] finished tweaking crates.io crate bracket 0.10.0
[INFO] tweaked toml for crates.io crate bracket 0.10.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate bracket 0.10.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 978beb01f7ac2aedcfdf3787f339a8c814b8ade92c23bd897e805aa7be372654
[INFO] running `Command { std: "docker" "start" "-a" "978beb01f7ac2aedcfdf3787f339a8c814b8ade92c23bd897e805aa7be372654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978beb01f7ac2aedcfdf3787f339a8c814b8ade92c23bd897e805aa7be372654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978beb01f7ac2aedcfdf3787f339a8c814b8ade92c23bd897e805aa7be372654", kill_on_drop: false }`
[INFO] [stdout] 978beb01f7ac2aedcfdf3787f339a8c814b8ade92c23bd897e805aa7be372654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] d35c9c8cd428d4109e4c4fa7519f85d8640afbbb110a7565e33ab1cace1a8157
[INFO] running `Command { std: "docker" "start" "-a" "d35c9c8cd428d4109e4c4fa7519f85d8640afbbb110a7565e33ab1cace1a8157", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling self_cell v0.7.1
[INFO] [stderr]    Compiling dyn-clone v1.0.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling bracket v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.71s
[INFO] running `Command { std: "docker" "inspect" "d35c9c8cd428d4109e4c4fa7519f85d8640afbbb110a7565e33ab1cace1a8157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35c9c8cd428d4109e4c4fa7519f85d8640afbbb110a7565e33ab1cace1a8157", kill_on_drop: false }`
[INFO] [stdout] d35c9c8cd428d4109e4c4fa7519f85d8640afbbb110a7565e33ab1cace1a8157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 535fc2559e66737f22887e9d215e24cdd4bc58aaee002460298c8a913b7c2227
[INFO] running `Command { std: "docker" "start" "-a" "535fc2559e66737f22887e9d215e24cdd4bc58aaee002460298c8a913b7c2227", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling bracket v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `bracket`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bracket --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="comparison-helper"' --cfg 'feature="conditional-helper"' --cfg 'feature="default"' --cfg 'feature="each-helper"' --cfg 'feature="fs"' --cfg 'feature="helpers"' --cfg 'feature="json-helper"' --cfg 'feature="links"' --cfg 'feature="log"' --cfg 'feature="log-helper"' --cfg 'feature="logical-helper"' --cfg 'feature="lookup-helper"' --cfg 'feature="with-helper"' -C metadata=f4d0efde51be36d2 -C extra-filename=-f4d0efde51be36d2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-9d0fd1e5ea78af17.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-3c37482d804b01ce.rlib --extern logos=/opt/rustwide/target/debug/deps/liblogos-a3cc528fc4687b65.rlib --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-30c907106256222b.rlib --extern self_cell=/opt/rustwide/target/debug/deps/libself_cell-1f5aca0b4e2ec7c7.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-3e8168eacf96a305.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e11da9d599025c0a.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9aad76e47fbb54bd.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-b35e561241f87659.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 `Command { std: "docker" "inspect" "535fc2559e66737f22887e9d215e24cdd4bc58aaee002460298c8a913b7c2227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535fc2559e66737f22887e9d215e24cdd4bc58aaee002460298c8a913b7c2227", kill_on_drop: false }`
[INFO] [stdout] 535fc2559e66737f22887e9d215e24cdd4bc58aaee002460298c8a913b7c2227