[INFO] updating cached repository https://github.com/dbrugman/mandelrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 552277cd98ce2e8a0ed17d0f6a9750af37c62aaf
[INFO] checking dbrugman/mandelrust against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrugman%2Fmandelrust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbrugman/mandelrust on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dbrugman/mandelrust
[INFO] finished tweaking git repo https://github.com/dbrugman/mandelrust
[INFO] tweaked toml for git repo https://github.com/dbrugman/mandelrust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dbrugman/mandelrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ce943a9334b9f2057e1cb8f031e25b7011ea4fd1faa63f755cae361b6044bc1
[INFO] running `"docker" "start" "-a" "7ce943a9334b9f2057e1cb8f031e25b7011ea4fd1faa63f755cae361b6044bc1"`
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling serde v0.8.12
[INFO] [stderr]     Checking odds v0.2.22
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling x11-dl v2.9.0
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking piston2d-graphics v0.17.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...                   &f_name: &str,
[INFO] [stderr]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stderr] 
[INFO] [stderr]    Compiling glutin v0.6.1
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]     Checking rayon v0.4.2
[INFO] [stderr]     Checking nodrop v0.1.8
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]     Checking arrayvec v0.3.20
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0642`.
[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 `"docker" "inspect" "7ce943a9334b9f2057e1cb8f031e25b7011ea4fd1faa63f755cae361b6044bc1"`
[INFO] running `"docker" "rm" "-f" "7ce943a9334b9f2057e1cb8f031e25b7011ea4fd1faa63f755cae361b6044bc1"`
[INFO] [stdout] 7ce943a9334b9f2057e1cb8f031e25b7011ea4fd1faa63f755cae361b6044bc1
