[INFO] cloning repository https://github.com/lukebitts/Luck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukebitts/Luck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukebitts%2FLuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukebitts%2FLuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aef25bc3442872789228e14989d203afe3cc8a52
[INFO] testing lukebitts/Luck against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukebitts%2FLuck" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukebitts/Luck on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukebitts/Luck
[INFO] finished tweaking git repo https://github.com/lukebitts/Luck
[INFO] tweaked toml for git repo https://github.com/lukebitts/Luck written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/lukebitts/Luck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v0.1.10
[INFO] [stderr]   Downloaded regex-syntax v0.2.5
[INFO] [stderr]   Downloaded anymap v0.11.2
[INFO] [stderr]   Downloaded mopa v0.2.1
[INFO] [stderr]   Downloaded rayon v0.2.0
[INFO] [stderr]   Downloaded quickcheck v0.2.25
[INFO] [stderr]   Downloaded regex v0.1.54
[INFO] [stderr]   Downloaded glm v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca4f911469d1de91e281f1ce0a0bc1db12fbec5ddc00a3bd14c873c5cf045a0d
[INFO] running `Command { std: "docker" "start" "-a" "ca4f911469d1de91e281f1ce0a0bc1db12fbec5ddc00a3bd14c873c5cf045a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4f911469d1de91e281f1ce0a0bc1db12fbec5ddc00a3bd14c873c5cf045a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4f911469d1de91e281f1ce0a0bc1db12fbec5ddc00a3bd14c873c5cf045a0d", kill_on_drop: false }`
[INFO] [stdout] ca4f911469d1de91e281f1ce0a0bc1db12fbec5ddc00a3bd14c873c5cf045a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf4754ad2b5975702214cbf5587f90adcac5724787db605a914c2f534633a82
[INFO] running `Command { std: "docker" "start" "-a" "dbf4754ad2b5975702214cbf5587f90adcac5724787db605a914c2f534633a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling regex-syntax v0.2.5
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stderr]    Compiling anymap v0.11.2
[INFO] [stderr]    Compiling mopa v0.2.1
[INFO] [stderr]    Compiling luck_core v0.1.0 (/opt/rustwide/workdir/src/core)
[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 memchr v0.1.10
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling num_cpus v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.5.1
[INFO] [stderr]    Compiling regex v0.1.54
[INFO] [stderr]    Compiling deque v0.3.1
[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" "dbf4754ad2b5975702214cbf5587f90adcac5724787db605a914c2f534633a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf4754ad2b5975702214cbf5587f90adcac5724787db605a914c2f534633a82", kill_on_drop: false }`
[INFO] [stdout] dbf4754ad2b5975702214cbf5587f90adcac5724787db605a914c2f534633a82
