[INFO] cloning repository https://github.com/bahoka/music
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bahoka/music" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahoka%2Fmusic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahoka%2Fmusic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d1e0974f926febd1a30389f7622a4523cb86805
[INFO] checking bahoka/music against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbahoka%2Fmusic" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bahoka/music 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 git repo https://github.com/bahoka/music
[INFO] finished tweaking git repo https://github.com/bahoka/music
[INFO] tweaked toml for git repo https://github.com/bahoka/music written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/bahoka/music 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.56
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded schannel v0.1.18
[INFO] [stderr]   Downloaded serde v1.0.107
[INFO] [stderr]   Downloaded serde_derive v1.0.107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] b6152b7ed1d63a2d64086fd22b03d06156d9761e5900cffa9e8938c75c38e739
[INFO] running `Command { std: "docker" "start" "-a" "b6152b7ed1d63a2d64086fd22b03d06156d9761e5900cffa9e8938c75c38e739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6152b7ed1d63a2d64086fd22b03d06156d9761e5900cffa9e8938c75c38e739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6152b7ed1d63a2d64086fd22b03d06156d9761e5900cffa9e8938c75c38e739", kill_on_drop: false }`
[INFO] [stdout] b6152b7ed1d63a2d64086fd22b03d06156d9761e5900cffa9e8938c75c38e739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8e8226cf32730bd7277772d2284a12444b883e8eac0259c4ebe624c68b2a0ea
[INFO] running `Command { std: "docker" "start" "-a" "a8e8226cf32730bd7277772d2284a12444b883e8eac0259c4ebe624c68b2a0ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[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-1.0.19/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="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=d53b14470bedaf54 -C extra-filename=-d53b14470bedaf54 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bd2aef6da6dab6c2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1c0355f08fda55e2.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b1a0994eb3258d73.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" "a8e8226cf32730bd7277772d2284a12444b883e8eac0259c4ebe624c68b2a0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e8226cf32730bd7277772d2284a12444b883e8eac0259c4ebe624c68b2a0ea", kill_on_drop: false }`
[INFO] [stdout] a8e8226cf32730bd7277772d2284a12444b883e8eac0259c4ebe624c68b2a0ea
