[INFO] cloning repository https://github.com/lespea/null_finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lespea/null_finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flespea%2Fnull_finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flespea%2Fnull_finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d8757ebe82ee4351bfa3d8302a2dd1407c8571a
[INFO] testing lespea/null_finder against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flespea%2Fnull_finder" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lespea/null_finder on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lespea/null_finder
[INFO] finished tweaking git repo https://github.com/lespea/null_finder
[INFO] tweaked toml for git repo https://github.com/lespea/null_finder written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/lespea/null_finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.17.1
[INFO] [stderr]   Downloaded quick-csv v0.1.6
[INFO] [stderr]   Downloaded bzip2-sys v0.1.4
[INFO] [stderr]   Downloaded gcc v0.3.38
[INFO] [stderr]   Downloaded bzip2 v0.3.0
[INFO] [stderr]   Downloaded msdos_time v0.1.4
[INFO] [stderr]   Downloaded zip v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d5eea79f0997e432fd722debca4b4ec649ac7cd58850988877762f8bded8d31
[INFO] running `Command { std: "docker" "start" "-a" "4d5eea79f0997e432fd722debca4b4ec649ac7cd58850988877762f8bded8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d5eea79f0997e432fd722debca4b4ec649ac7cd58850988877762f8bded8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5eea79f0997e432fd722debca4b4ec649ac7cd58850988877762f8bded8d31", kill_on_drop: false }`
[INFO] [stdout] 4d5eea79f0997e432fd722debca4b4ec649ac7cd58850988877762f8bded8d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbe2001ec89b2c865abbaec082321319e112a9b324197e7b559a832a50f0d55
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2fbe2001ec89b2c865abbaec082321319e112a9b324197e7b559a832a50f0d55", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling podio v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling thread_local v0.2.7
[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 regex v0.1.80
[INFO] [stderr]    Compiling clap v2.17.1
[INFO] [stderr]    Compiling msdos_time v0.1.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling flate2 v0.2.14
[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" "2fbe2001ec89b2c865abbaec082321319e112a9b324197e7b559a832a50f0d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbe2001ec89b2c865abbaec082321319e112a9b324197e7b559a832a50f0d55", kill_on_drop: false }`
[INFO] [stdout] 2fbe2001ec89b2c865abbaec082321319e112a9b324197e7b559a832a50f0d55