[INFO] cloning repository https://github.com/dgrisham/codesignal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgrisham/codesignal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgrisham%2Fcodesignal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgrisham%2Fcodesignal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f8e37c31526e06cc724805911f571c5fca59e3e
[INFO] checking dgrisham/codesignal against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgrisham%2Fcodesignal" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgrisham/codesignal on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dgrisham/codesignal
[INFO] finished tweaking git repo https://github.com/dgrisham/codesignal
[INFO] tweaked toml for git repo https://github.com/dgrisham/codesignal written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/dgrisham/codesignal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a00da5e247c14338f1f8351b0413f8fe28717ab5e5d47bbf36caacc050c2e2c9
[INFO] running `Command { std: "docker" "start" "-a" "a00da5e247c14338f1f8351b0413f8fe28717ab5e5d47bbf36caacc050c2e2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a00da5e247c14338f1f8351b0413f8fe28717ab5e5d47bbf36caacc050c2e2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00da5e247c14338f1f8351b0413f8fe28717ab5e5d47bbf36caacc050c2e2c9", kill_on_drop: false }`
[INFO] [stdout] a00da5e247c14338f1f8351b0413f8fe28717ab5e5d47bbf36caacc050c2e2c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb47a6c83bfd35123bb958f0f5b4c26aa91e58021fdaee8af44616711d23d5bf
[INFO] running `Command { std: "docker" "start" "-a" "bb47a6c83bfd35123bb958f0f5b4c26aa91e58021fdaee8af44616711d23d5bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking codesignal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `is_even` found for type `i32` in the current scope
[INFO] [stdout]   --> src/reverse_in_parentheses.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |         } else if parens_level.is_even() {
[INFO] [stdout]    |                                ^^^^^^^ method not found in `i32`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_even` found for type `i32` in the current scope
[INFO] [stdout]   --> src/reverse_in_parentheses.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |         } else if parens_level.is_even() {
[INFO] [stdout]    |                                ^^^^^^^ method not found in `i32`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codesignal` 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" "bb47a6c83bfd35123bb958f0f5b4c26aa91e58021fdaee8af44616711d23d5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb47a6c83bfd35123bb958f0f5b4c26aa91e58021fdaee8af44616711d23d5bf", kill_on_drop: false }`
[INFO] [stdout] bb47a6c83bfd35123bb958f0f5b4c26aa91e58021fdaee8af44616711d23d5bf