[INFO] cloning repository https://github.com/robertmaloney/tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertmaloney/tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertmaloney%2Ftracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertmaloney%2Ftracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2c9392803d8dfba624c5825db63527cd0653e35
[INFO] testing robertmaloney/tracer 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%2Frobertmaloney%2Ftracer" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertmaloney/tracer 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/robertmaloney/tracer
[INFO] finished tweaking git repo https://github.com/robertmaloney/tracer
[INFO] tweaked toml for git repo https://github.com/robertmaloney/tracer written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/robertmaloney/tracer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.5.1
[INFO] [stderr]   Downloaded num v0.1.31
[INFO] [stderr]   Downloaded flate2 v0.2.13
[INFO] [stderr]   Downloaded gcc v0.3.26
[INFO] [stderr]   Downloaded png v0.4.2
[INFO] [stderr]   Downloaded libc v0.2.9
[INFO] [stderr]   Downloaded image v0.8.0
[INFO] [stderr]   Downloaded euclid v0.6.5
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] f4e24227ca01182c8ac06fc2d4adcc5d5800846b3aae82f2daebaaf9845f0439
[INFO] running `Command { std: "docker" "start" "-a" "f4e24227ca01182c8ac06fc2d4adcc5d5800846b3aae82f2daebaaf9845f0439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e24227ca01182c8ac06fc2d4adcc5d5800846b3aae82f2daebaaf9845f0439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e24227ca01182c8ac06fc2d4adcc5d5800846b3aae82f2daebaaf9845f0439", kill_on_drop: false }`
[INFO] [stdout] f4e24227ca01182c8ac06fc2d4adcc5d5800846b3aae82f2daebaaf9845f0439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 831596f583e1accf4e04f940d8b112094f3ee33a6a5a97d215b428f5a24f7917
[INFO] running `Command { std: "docker" "start" "-a" "831596f583e1accf4e04f940d8b112094f3ee33a6a5a97d215b428f5a24f7917", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling gcc v0.3.26
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling inflate v0.1.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling byteorder v0.5.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling glob v0.2.11
[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 gif v0.8.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.11
[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" "831596f583e1accf4e04f940d8b112094f3ee33a6a5a97d215b428f5a24f7917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831596f583e1accf4e04f940d8b112094f3ee33a6a5a97d215b428f5a24f7917", kill_on_drop: false }`
[INFO] [stdout] 831596f583e1accf4e04f940d8b112094f3ee33a6a5a97d215b428f5a24f7917
