[INFO] updating cached repository https://github.com/trolleyman/Portal2
[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] cdfdb4a0b51265e720088e251aac3fce5fab0e55
[INFO] checking trolleyman/Portal2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrolleyman%2FPortal2" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trolleyman/Portal2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/trolleyman/Portal2
[INFO] finished tweaking git repo https://github.com/trolleyman/Portal2
[INFO] tweaked toml for git repo https://github.com/trolleyman/Portal2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/trolleyman/Portal2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 5bc8187baf693586a7e82282c427fa402b8ae7163d8c81c642bcff24289c7006
[INFO] running `"docker" "start" "-a" "5bc8187baf693586a7e82282c427fa402b8ae7163d8c81c642bcff24289c7006"`
[INFO] [stderr]    Compiling phf_shared v0.7.18
[INFO] [stderr]    Compiling serde v0.8.16
[INFO] [stderr]     Checking rustc-demangle v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking simplelog v0.4.2
[INFO] [stderr]    Compiling phf_generator v0.7.18
[INFO] [stderr]    Compiling phf v0.7.18
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods 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]     |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling phf_codegen v0.7.18
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5bc8187baf693586a7e82282c427fa402b8ae7163d8c81c642bcff24289c7006"`
[INFO] running `"docker" "rm" "-f" "5bc8187baf693586a7e82282c427fa402b8ae7163d8c81c642bcff24289c7006"`
[INFO] [stdout] 5bc8187baf693586a7e82282c427fa402b8ae7163d8c81c642bcff24289c7006