[INFO] cloning repository https://github.com/mrmiywj/rust_incremental_compile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrmiywj/rust_incremental_compile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrmiywj%2Frust_incremental_compile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrmiywj%2Frust_incremental_compile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3d84a7d64608086290a764bb23b8856803c5ebb
[INFO] checking mrmiywj/rust_incremental_compile against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrmiywj%2Frust_incremental_compile" "/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/mrmiywj/rust_incremental_compile on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrmiywj/rust_incremental_compile
[INFO] finished tweaking git repo https://github.com/mrmiywj/rust_incremental_compile
[INFO] tweaked toml for git repo https://github.com/mrmiywj/rust_incremental_compile written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mrmiywj/rust_incremental_compile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] bdce3d27c8504cc6e73e9caa707c336cac1260a58a20b732718f3ba2fbbfa4fd
[INFO] running `Command { std: "docker" "start" "-a" "bdce3d27c8504cc6e73e9caa707c336cac1260a58a20b732718f3ba2fbbfa4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdce3d27c8504cc6e73e9caa707c336cac1260a58a20b732718f3ba2fbbfa4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdce3d27c8504cc6e73e9caa707c336cac1260a58a20b732718f3ba2fbbfa4fd", kill_on_drop: false }`
[INFO] [stdout] bdce3d27c8504cc6e73e9caa707c336cac1260a58a20b732718f3ba2fbbfa4fd
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] cce157e5b043e5525f5d09ff431e32d8c5c297390bec5e87f14c4e48b3835511
[INFO] running `Command { std: "docker" "start" "-a" "cce157e5b043e5525f5d09ff431e32d8c5c297390bec5e87f14c4e48b3835511", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.1
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking nom v1.2.2
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[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 kernel32-sys v0.2.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking num_cpus v0.2.11
[INFO] [stderr]    Compiling cmake v0.1.17
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.7.11
[INFO] [stderr]     Checking tar v0.4.5
[INFO] [stderr]    Compiling libz-sys v1.0.3
[INFO] [stderr]    Compiling curl-sys v0.1.34
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling libssh2-sys v0.1.37
[INFO] [stderr]    Compiling libgit2-sys v0.4.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking fs2 v0.2.4
[INFO] [stderr]     Checking walkdir v0.1.5
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking thread_local v0.2.5
[INFO] [stderr]     Checking idna v0.1.0
[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` 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" "cce157e5b043e5525f5d09ff431e32d8c5c297390bec5e87f14c4e48b3835511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce157e5b043e5525f5d09ff431e32d8c5c297390bec5e87f14c4e48b3835511", kill_on_drop: false }`
[INFO] [stdout] cce157e5b043e5525f5d09ff431e32d8c5c297390bec5e87f14c4e48b3835511