[INFO] cloning repository https://github.com/Polly-lang/Polly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Polly-lang/Polly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolly-lang%2FPolly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolly-lang%2FPolly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d04e656dddb3e39cb8aacf26000cf33896f0ed52
[INFO] checking Polly-lang/Polly against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolly-lang%2FPolly" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Polly-lang/Polly on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Polly-lang/Polly
[INFO] finished tweaking git repo https://github.com/Polly-lang/Polly
[INFO] tweaked toml for git repo https://github.com/Polly-lang/Polly written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Polly-lang/Polly already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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 lazy_static v0.1.15
[INFO] [stderr]   Downloaded strsim v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.7.2
[INFO] [stderr]   Downloaded rand v0.3.13
[INFO] [stderr]   Downloaded vec_map v0.4.0
[INFO] [stderr]   Downloaded num v0.1.30
[INFO] [stderr]   Downloaded serde v0.6.7
[INFO] [stderr]   Downloaded clap v2.1.1
[INFO] [stderr]   Downloaded yaml-rust v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58cf6f2fecb094844772b91701c211f1cddac5b5396af7b4ee034604a32bd7d3
[INFO] running `Command { std: "docker" "start" "-a" "58cf6f2fecb094844772b91701c211f1cddac5b5396af7b4ee034604a32bd7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58cf6f2fecb094844772b91701c211f1cddac5b5396af7b4ee034604a32bd7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cf6f2fecb094844772b91701c211f1cddac5b5396af7b4ee034604a32bd7d3", kill_on_drop: false }`
[INFO] [stdout] 58cf6f2fecb094844772b91701c211f1cddac5b5396af7b4ee034604a32bd7d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9671346367b669bd587ecdd46f669fbd586cfbfb7995d446603a755deacb5cec
[INFO] running `Command { std: "docker" "start" "-a" "9671346367b669bd587ecdd46f669fbd586cfbfb7995d446603a755deacb5cec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]     Checking strsim v0.4.0
[INFO] [stderr]     Checking ansi_term v0.7.2
[INFO] [stderr]     Checking yaml-rust v0.3.0
[INFO] [stderr]     Checking vec_map v0.4.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9671346367b669bd587ecdd46f669fbd586cfbfb7995d446603a755deacb5cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9671346367b669bd587ecdd46f669fbd586cfbfb7995d446603a755deacb5cec", kill_on_drop: false }`
[INFO] [stdout] 9671346367b669bd587ecdd46f669fbd586cfbfb7995d446603a755deacb5cec