[INFO] cloning repository https://github.com/blitzcode/rust-exp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blitzcode/rust-exp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzcode%2Frust-exp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzcode%2Frust-exp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d380104ebbc1c0c1167f07f93dd9e9b3ed32472
[INFO] testing blitzcode/rust-exp against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzcode%2Frust-exp" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blitzcode/rust-exp on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blitzcode/rust-exp
[INFO] finished tweaking git repo https://github.com/blitzcode/rust-exp
[INFO] tweaked toml for git repo https://github.com/blitzcode/rust-exp written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/blitzcode/rust-exp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 num-complex v0.1.32
[INFO] [stderr]   Downloaded ansi_term v0.7.2
[INFO] [stderr]   Downloaded num-bigint v0.1.32
[INFO] [stderr]   Downloaded num v0.1.32
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded num_cpus v0.2.12
[INFO] [stderr]   Downloaded nalgebra v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce2e8f400ec315f4502a95346f42d59404afba45e18ac52a493e8ca1e798ada
[INFO] running `Command { std: "docker" "start" "-a" "dce2e8f400ec315f4502a95346f42d59404afba45e18ac52a493e8ca1e798ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce2e8f400ec315f4502a95346f42d59404afba45e18ac52a493e8ca1e798ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce2e8f400ec315f4502a95346f42d59404afba45e18ac52a493e8ca1e798ada", kill_on_drop: false }`
[INFO] [stdout] dce2e8f400ec315f4502a95346f42d59404afba45e18ac52a493e8ca1e798ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d98bf2e9586d1ee59eb7f65f4ddf8d16d616ecde62c04b84cfcbc423f117db2
[INFO] running `Command { std: "docker" "start" "-a" "3d98bf2e9586d1ee59eb7f65f4ddf8d16d616ecde62c04b84cfcbc423f117db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling num-traits v0.1.32
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.7
[INFO] [stderr]    Compiling stb_image v0.2.1
[INFO] [stderr]    Compiling ansi_term v0.7.2
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling rand v0.3.14
[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-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_cpus v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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" "3d98bf2e9586d1ee59eb7f65f4ddf8d16d616ecde62c04b84cfcbc423f117db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d98bf2e9586d1ee59eb7f65f4ddf8d16d616ecde62c04b84cfcbc423f117db2", kill_on_drop: false }`
[INFO] [stdout] 3d98bf2e9586d1ee59eb7f65f4ddf8d16d616ecde62c04b84cfcbc423f117db2