[INFO] cloning repository https://github.com/scoiatael/mlog
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scoiatael/mlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscoiatael%2Fmlog"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscoiatael%2Fmlog'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 602f143dc9352e9b69875cb3f504494a6654d497
[INFO] checking scoiatael/mlog against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscoiatael%2Fmlog" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scoiatael/mlog on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scoiatael/mlog
[INFO] finished tweaking git repo https://github.com/scoiatael/mlog
[INFO] tweaked toml for git repo https://github.com/scoiatael/mlog written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/scoiatael/mlog already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] f739d2019fe1636ba2ef1bee62c425dad693c544b9cace6824274b1818d68121
[INFO] running `"docker" "start" "-a" "f739d2019fe1636ba2ef1bee62c425dad693c544b9cace6824274b1818d68121"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking mlog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             (Args {
[INFO] [stderr] 179 | |                 source: SourceOptions::FromStdin,
[INFO] [stderr] 180 | |                 interactive: true,
[INFO] [stderr] 181 | |                 similarity: 0.6,
[INFO] [stderr] 182 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 |             Args {
[INFO] [stderr] 179 |                 source: SourceOptions::FromStdin,
[INFO] [stderr] 180 |                 interactive: true,
[INFO] [stderr] 181 |                 similarity: 0.6,
[INFO] [stderr] 182 |             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 | /             (Args {
[INFO] [stderr] 186 | |                 source: SourceOptions::FromFile(args[1].clone()),
[INFO] [stderr] 187 | |                 interactive: false,
[INFO] [stderr] 188 | |                 similarity: 0.6,
[INFO] [stderr] 189 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 185 |             Args {
[INFO] [stderr] 186 |                 source: SourceOptions::FromFile(args[1].clone()),
[INFO] [stderr] 187 |                 interactive: false,
[INFO] [stderr] 188 |                 similarity: 0.6,
[INFO] [stderr] 189 |             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             (Args {
[INFO] [stderr] 179 | |                 source: SourceOptions::FromStdin,
[INFO] [stderr] 180 | |                 interactive: true,
[INFO] [stderr] 181 | |                 similarity: 0.6,
[INFO] [stderr] 182 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 |             Args {
[INFO] [stderr] 179 |                 source: SourceOptions::FromStdin,
[INFO] [stderr] 180 |                 interactive: true,
[INFO] [stderr] 181 |                 similarity: 0.6,
[INFO] [stderr] 182 |             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 | /             (Args {
[INFO] [stderr] 186 | |                 source: SourceOptions::FromFile(args[1].clone()),
[INFO] [stderr] 187 | |                 interactive: false,
[INFO] [stderr] 188 | |                 similarity: 0.6,
[INFO] [stderr] 189 | |             })
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 185 |             Args {
[INFO] [stderr] 186 |                 source: SourceOptions::FromFile(args[1].clone()),
[INFO] [stderr] 187 |                 interactive: false,
[INFO] [stderr] 188 |                 similarity: 0.6,
[INFO] [stderr] 189 |             }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `"docker" "inspect" "f739d2019fe1636ba2ef1bee62c425dad693c544b9cace6824274b1818d68121"`
[INFO] running `"docker" "rm" "-f" "f739d2019fe1636ba2ef1bee62c425dad693c544b9cace6824274b1818d68121"`
[INFO] [stdout] f739d2019fe1636ba2ef1bee62c425dad693c544b9cace6824274b1818d68121