[INFO] cloning repository https://github.com/Fila1982/Block
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fila1982/Block" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFila1982%2FBlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFila1982%2FBlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09cf6de1d143ffbe007478372dc573213e06804d
[INFO] checking Fila1982/Block against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFila1982%2FBlock" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fila1982/Block on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-63/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Fila1982/Block
[INFO] finished tweaking git repo https://github.com/Fila1982/Block
[INFO] tweaked toml for git repo https://github.com/Fila1982/Block written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/Fila1982/Block already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr] warning: spurious network error (2 tries remaining): [55] Failed sending data to the peer (Connection died, tried 5 times before giving up)
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a172493539f57d993b0e3326819f502ab06d60bd0751066647f7bce0bac63cd1
[INFO] running `Command { std: "docker" "start" "-a" "a172493539f57d993b0e3326819f502ab06d60bd0751066647f7bce0bac63cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a172493539f57d993b0e3326819f502ab06d60bd0751066647f7bce0bac63cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a172493539f57d993b0e3326819f502ab06d60bd0751066647f7bce0bac63cd1", kill_on_drop: false }`
[INFO] [stdout] a172493539f57d993b0e3326819f502ab06d60bd0751066647f7bce0bac63cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf34bafe0a581296e8fa911105fb31dc152c19384a30c22a38ea9f731612298a
[INFO] running `Command { std: "docker" "start" "-a" "bf34bafe0a581296e8fa911105fb31dc152c19384a30c22a38ea9f731612298a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.10
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[INFO] [stderr]     Checking rustc-serialize v0.3.24
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[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking traitobject v0.1.0
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[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling lazy_static v1.3.0
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[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
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[INFO] [stderr]    Compiling unicode-width v0.1.5
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[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.1
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[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking remove_dir_all v0.5.2
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[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking futures v0.1.28
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[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]    Compiling strsim v0.7.0
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[INFO] [stderr]     Checking array-macro v1.0.3
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[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=361443b691fe7960 -C extra-filename=-361443b691fe7960 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "bf34bafe0a581296e8fa911105fb31dc152c19384a30c22a38ea9f731612298a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf34bafe0a581296e8fa911105fb31dc152c19384a30c22a38ea9f731612298a", kill_on_drop: false }`
[INFO] [stdout] bf34bafe0a581296e8fa911105fb31dc152c19384a30c22a38ea9f731612298a