[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 try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgrisham%2Fcodesignal" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgrisham/codesignal on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfdcc58ef76fa9a6b11e2881941f39a65673249fa86bb922b06579acdd5d766a
[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" "cfdcc58ef76fa9a6b11e2881941f39a65673249fa86bb922b06579acdd5d766a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfdcc58ef76fa9a6b11e2881941f39a65673249fa86bb922b06579acdd5d766a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdcc58ef76fa9a6b11e2881941f39a65673249fa86bb922b06579acdd5d766a", kill_on_drop: false }`
[INFO] [stdout] cfdcc58ef76fa9a6b11e2881941f39a65673249fa86bb922b06579acdd5d766a
[INFO] running `Command { std: "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c210ebf0430b6749eed92d230e0d80e4f8d2bf4402499aafc287ba2da143935
[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" "1c210ebf0430b6749eed92d230e0d80e4f8d2bf4402499aafc287ba2da143935", kill_on_drop: false }`
[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[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: 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`.
[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 `Command { std: "docker" "inspect" "1c210ebf0430b6749eed92d230e0d80e4f8d2bf4402499aafc287ba2da143935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c210ebf0430b6749eed92d230e0d80e4f8d2bf4402499aafc287ba2da143935", kill_on_drop: false }`
[INFO] [stdout] 1c210ebf0430b6749eed92d230e0d80e4f8d2bf4402499aafc287ba2da143935