[INFO] cloning repository https://github.com/yberreby/rgo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yberreby/rgo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Frgo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Frgo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06295d2886703873d97899bb25a17c4c456f5451
[INFO] checking yberreby/rgo against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Frgo" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yberreby/rgo on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yberreby/rgo
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/yberreby/rgo
[INFO] tweaked toml for git repo https://github.com/yberreby/rgo written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/yberreby/rgo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 libc v0.2.11
[INFO] [stderr]   Downloaded thread_local v0.2.5
[INFO] [stderr]   Downloaded aho-corasick v0.5.2
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num v0.1.32
[INFO] [stderr]   Downloaded regex v0.1.69
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.2
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.2
[INFO] [stderr]   Downloaded env_logger v0.3.3
[INFO] [stderr]   Downloaded nom v1.2.3
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded convenience v0.1.0
[INFO] [stderr]   Downloaded toml v0.1.29
[INFO] [stderr]   Downloaded clippy v0.0.63
[INFO] [stderr]   Downloaded lazy_static v0.2.1
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded colored v1.2.0
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded num-rational v0.1.32
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded num-bigint v0.1.32
[INFO] [stderr]   Downloaded quick-error v1.0.0
[INFO] [stderr]   Downloaded winapi v0.2.7
[INFO] [stderr]   Downloaded rustc-serialize v0.3.19
[INFO] [stderr]   Downloaded regex-syntax v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26cda183cf36f5556262e2911ca511e010ddfd67a7698acf42e5400bad653ef9
[INFO] running `Command { std: "docker" "start" "-a" "26cda183cf36f5556262e2911ca511e010ddfd67a7698acf42e5400bad653ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26cda183cf36f5556262e2911ca511e010ddfd67a7698acf42e5400bad653ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cda183cf36f5556262e2911ca511e010ddfd67a7698acf42e5400bad653ef9", kill_on_drop: false }`
[INFO] [stdout] 26cda183cf36f5556262e2911ca511e010ddfd67a7698acf42e5400bad653ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2004b2673cf4589b389fb6aa6dbef1ec9c51b721a22f47ec54dc553f34252fc3
[INFO] running `Command { std: "docker" "start" "-a" "2004b2673cf4589b389fb6aa6dbef1ec9c51b721a22f47ec54dc553f34252fc3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stderr]     Checking winapi v0.2.7
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.3.1
[INFO] [stderr]     Checking quick-error v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking colored v1.2.0
[INFO] [stderr]     Checking convenience v0.1.0
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[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-0.3.19/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]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking thread_local v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking regex v0.1.69
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2004b2673cf4589b389fb6aa6dbef1ec9c51b721a22f47ec54dc553f34252fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2004b2673cf4589b389fb6aa6dbef1ec9c51b721a22f47ec54dc553f34252fc3", kill_on_drop: false }`
[INFO] [stdout] 2004b2673cf4589b389fb6aa6dbef1ec9c51b721a22f47ec54dc553f34252fc3