[INFO] cloning repository https://github.com/scottlamb/retina
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottlamb/retina" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottlamb%2Fretina", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottlamb%2Fretina'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a3f01118eb4f9ab7e18356581fd6f82aa1b8b8d
[INFO] checking scottlamb/retina against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottlamb%2Fretina" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottlamb/retina on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scottlamb/retina
[INFO] finished tweaking git repo https://github.com/scottlamb/retina
[INFO] tweaked toml for git repo https://github.com/scottlamb/retina written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/scottlamb/retina already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5e80b21077e4f9059ad0c012619449c8eb9c37a438c6aa5535f5b107c9c3470
[INFO] running `Command { std: "docker" "start" "-a" "e5e80b21077e4f9059ad0c012619449c8eb9c37a438c6aa5535f5b107c9c3470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e80b21077e4f9059ad0c012619449c8eb9c37a438c6aa5535f5b107c9c3470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e80b21077e4f9059ad0c012619449c8eb9c37a438c6aa5535f5b107c9c3470", kill_on_drop: false }`
[INFO] [stdout] e5e80b21077e4f9059ad0c012619449c8eb9c37a438c6aa5535f5b107c9c3470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbed6ccd02655ecd479ab2c1cfc27fbe94c05a10a9c50dd154bb81dc0058aa06
[INFO] running `Command { std: "docker" "start" "-a" "fbed6ccd02655ecd479ab2c1cfc27fbe94c05a10a9c50dd154bb81dc0058aa06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking mpeg4-audio-const v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking cookie-factory v0.3.2
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rtp-rs v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.6
[INFO] [stderr]     Checking mp4ra-rust v0.1.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rfc6381-codec v0.1.0
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.76/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=bbf70a0c0d096bfb -C extra-filename=-bbf70a0c0d096bfb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-699bbece778063bb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0758f46bd75f90b0.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "fbed6ccd02655ecd479ab2c1cfc27fbe94c05a10a9c50dd154bb81dc0058aa06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbed6ccd02655ecd479ab2c1cfc27fbe94c05a10a9c50dd154bb81dc0058aa06", kill_on_drop: false }`
[INFO] [stdout] fbed6ccd02655ecd479ab2c1cfc27fbe94c05a10a9c50dd154bb81dc0058aa06
