[INFO] cloning repository https://github.com/mneumann/dla-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mneumann/dla-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fdla-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fdla-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2b57956fff58c490ef7464f8dd0788a0d04b00f
[INFO] testing mneumann/dla-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fdla-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/dla-rs 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/mneumann/dla-rs
[INFO] finished tweaking git repo https://github.com/mneumann/dla-rs
[INFO] tweaked toml for git repo https://github.com/mneumann/dla-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/dla-rs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflate v0.1.0
[INFO] [stderr]   Downloaded png v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded gif v0.7.0
[INFO] [stderr]   Downloaded flate2 v0.2.11
[INFO] [stderr]   Downloaded glob v0.2.10
[INFO] [stderr]   Downloaded image v0.6.1
[INFO] [stderr]   Downloaded gcc v0.3.21
[INFO] [stderr]   Downloaded rand v0.3.12
[INFO] [stderr]   Downloaded winapi v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a7e697fcc643c97068b07ffadce0ace6e12547c715160cf0abc142ec608fc48b
[INFO] running `Command { std: "docker" "start" "-a" "a7e697fcc643c97068b07ffadce0ace6e12547c715160cf0abc142ec608fc48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e697fcc643c97068b07ffadce0ace6e12547c715160cf0abc142ec608fc48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e697fcc643c97068b07ffadce0ace6e12547c715160cf0abc142ec608fc48b", kill_on_drop: false }`
[INFO] [stdout] a7e697fcc643c97068b07ffadce0ace6e12547c715160cf0abc142ec608fc48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a0afd5cefef6b16640c35cc11a320e6b32759d3c4b42d5e825578db2afbe8a71
[INFO] running `Command { std: "docker" "start" "-a" "a0afd5cefef6b16640c35cc11a320e6b32759d3c4b42d5e825578db2afbe8a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.4
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.16
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling lzw v0.9.0
[INFO] [stderr]    Compiling inflate v0.1.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling glob v0.2.10
[INFO] [stderr]    Compiling byteorder v0.4.2
[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] [stderr]    Compiling gif v0.7.0
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling rand v0.3.12
[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" "a0afd5cefef6b16640c35cc11a320e6b32759d3c4b42d5e825578db2afbe8a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0afd5cefef6b16640c35cc11a320e6b32759d3c4b42d5e825578db2afbe8a71", kill_on_drop: false }`
[INFO] [stdout] a0afd5cefef6b16640c35cc11a320e6b32759d3c4b42d5e825578db2afbe8a71