[INFO] cloning repository https://github.com/jespino/chip-u8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jespino/chip-u8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjespino%2Fchip-u8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjespino%2Fchip-u8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93c8df829338403ab4d82fa5e21c5cf8422a6870
[INFO] checking jespino/chip-u8 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjespino%2Fchip-u8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jespino/chip-u8 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jespino/chip-u8
[INFO] finished tweaking git repo https://github.com/jespino/chip-u8
[INFO] tweaked toml for git repo https://github.com/jespino/chip-u8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jespino/chip-u8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mempool v0.2.0
[INFO] [stderr]   Downloaded sdl2-sys v0.8.1
[INFO] [stderr]   Downloaded strsim v0.3.0
[INFO] [stderr]   Downloaded sdl2 v0.16.1
[INFO] [stderr]   Downloaded regex v0.1.61
[INFO] [stderr]   Downloaded docopt v0.6.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6411e452ab561104e2f59075875b0873c9cfd462501ee14d5f9e1905b86b64cc
[INFO] running `Command { std: "docker" "start" "-a" "6411e452ab561104e2f59075875b0873c9cfd462501ee14d5f9e1905b86b64cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6411e452ab561104e2f59075875b0873c9cfd462501ee14d5f9e1905b86b64cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6411e452ab561104e2f59075875b0873c9cfd462501ee14d5f9e1905b86b64cc", kill_on_drop: false }`
[INFO] [stdout] 6411e452ab561104e2f59075875b0873c9cfd462501ee14d5f9e1905b86b64cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceafe456669d870de4a5edd0f02496c8015e97554783a735c14539d899e3dcfe
[INFO] running `Command { std: "docker" "start" "-a" "ceafe456669d870de4a5edd0f02496c8015e97554783a735c14539d899e3dcfe", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr]     Checking mempool v0.2.0
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking regex v0.1.61
[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] [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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ceafe456669d870de4a5edd0f02496c8015e97554783a735c14539d899e3dcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceafe456669d870de4a5edd0f02496c8015e97554783a735c14539d899e3dcfe", kill_on_drop: false }`
[INFO] [stdout] ceafe456669d870de4a5edd0f02496c8015e97554783a735c14539d899e3dcfe