[INFO] updating cached repository https://github.com/carllerche/minidb
[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] 43d80944bdda1d927ebae55cc08624271b4acfb1
[INFO] checking carllerche/minidb against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fminidb" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carllerche/minidb 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/carllerche/minidb
[INFO] finished tweaking git repo https://github.com/carllerche/minidb
[INFO] tweaked toml for git repo https://github.com/carllerche/minidb written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/carllerche/minidb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6d2aecb980c3a62f3407f5a861e0467eabf53977a4506724ffee97d28228bad4
[INFO] running `"docker" "start" "-a" "6d2aecb980c3a62f3407f5a861e0467eabf53977a4506724ffee97d28228bad4"`
[INFO] [stderr]     Checking regex-syntax v0.3.7
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking futures v0.1.3
[INFO] [stderr]     Checking buffoon v0.5.0 (https://github.com/carllerche/buffoon#93c022ee)
[INFO] [stderr]     Checking bytes v0.4.0-dev (https://github.com/carllerche/bytes#d717fde5)
[INFO] [stderr]     Checking nix v0.6.0
[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]     Checking tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#92eccdc1)
[INFO] [stderr]     Checking tokio-timer v0.1.0 (https://github.com/tokio-rs/tokio-timer#4acaed62)
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking regex v0.1.77
[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" "6d2aecb980c3a62f3407f5a861e0467eabf53977a4506724ffee97d28228bad4"`
[INFO] running `"docker" "rm" "-f" "6d2aecb980c3a62f3407f5a861e0467eabf53977a4506724ffee97d28228bad4"`
[INFO] [stdout] 6d2aecb980c3a62f3407f5a861e0467eabf53977a4506724ffee97d28228bad4
