[INFO] cloning repository https://github.com/jgfuchs/miner6857
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgfuchs/miner6857" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgfuchs%2Fminer6857", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgfuchs%2Fminer6857'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c468e6db646d3ea7e4f967aed5578170ff02e99d
[INFO] testing jgfuchs/miner6857 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgfuchs%2Fminer6857" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgfuchs/miner6857 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/jgfuchs/miner6857
[INFO] finished tweaking git repo https://github.com/jgfuchs/miner6857
[INFO] tweaked toml for git repo https://github.com/jgfuchs/miner6857 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jgfuchs/miner6857 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]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 834bee928369798df89ae5a52f4dbe44ff4bf4b5b547884dd74a438b5bf350f6
[INFO] running `Command { std: "docker" "start" "-a" "834bee928369798df89ae5a52f4dbe44ff4bf4b5b547884dd74a438b5bf350f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "834bee928369798df89ae5a52f4dbe44ff4bf4b5b547884dd74a438b5bf350f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834bee928369798df89ae5a52f4dbe44ff4bf4b5b547884dd74a438b5bf350f6", kill_on_drop: false }`
[INFO] [stdout] 834bee928369798df89ae5a52f4dbe44ff4bf4b5b547884dd74a438b5bf350f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e83528faec5e2c92022933e4f2ee64cf7869702c89544f407eaf994ef0056ae
[INFO] running `Command { std: "docker" "start" "-a" "3e83528faec5e2c92022933e4f2ee64cf7869702c89544f407eaf994ef0056ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[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-0.3.18/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] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling time v0.1.34
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[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] running `Command { std: "docker" "inspect" "3e83528faec5e2c92022933e4f2ee64cf7869702c89544f407eaf994ef0056ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e83528faec5e2c92022933e4f2ee64cf7869702c89544f407eaf994ef0056ae", kill_on_drop: false }`
[INFO] [stdout] 3e83528faec5e2c92022933e4f2ee64cf7869702c89544f407eaf994ef0056ae