[INFO] cloning repository https://github.com/sile/diagnoser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sile/diagnoser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fdiagnoser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fdiagnoser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0aa47d93c8139cace4e91ba86a010465f1c1aa26
[INFO] checking sile/diagnoser against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fdiagnoser" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sile/diagnoser on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sile/diagnoser
[INFO] finished tweaking git repo https://github.com/sile/diagnoser
[INFO] tweaked toml for git repo https://github.com/sile/diagnoser written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sile/diagnoser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6cb827e2e030cbcb13092cd11b8c442e388ee3dd0ccfcdfe087f8ec7fcb64e5
[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" "f6cb827e2e030cbcb13092cd11b8c442e388ee3dd0ccfcdfe087f8ec7fcb64e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6cb827e2e030cbcb13092cd11b8c442e388ee3dd0ccfcdfe087f8ec7fcb64e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cb827e2e030cbcb13092cd11b8c442e388ee3dd0ccfcdfe087f8ec7fcb64e5", kill_on_drop: false }`
[INFO] [stdout] f6cb827e2e030cbcb13092cd11b8c442e388ee3dd0ccfcdfe087f8ec7fcb64e5
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbec01f382ace038a2efe4f5d88edc35ff0af17e968cd4df2e117c77fb99679
[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" "acbec01f382ace038a2efe4f5d88edc35ff0af17e968cd4df2e117c77fb99679", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking strsim v0.5.1
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking libflate v0.1.0
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libflate-0.1.0/src/gzip.rs:444:66
[INFO] [stdout]     |
[INFO] [stdout] 444 |         try!(writer.write_u16::<LittleEndian>(self.data.len() as u16()));
[INFO] [stdout]     |                                                                  ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libflate`
[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] [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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "acbec01f382ace038a2efe4f5d88edc35ff0af17e968cd4df2e117c77fb99679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbec01f382ace038a2efe4f5d88edc35ff0af17e968cd4df2e117c77fb99679", kill_on_drop: false }`
[INFO] [stdout] acbec01f382ace038a2efe4f5d88edc35ff0af17e968cd4df2e117c77fb99679