[INFO] cloning repository https://github.com/safe-k/nugmail
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/safe-k/nugmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00546c6399ea5da066e42b6cc8227fac07916505
[INFO] checking safe-k/nugmail against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafe-k%2Fnugmail" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/safe-k/nugmail on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/safe-k/nugmail
[INFO] finished tweaking git repo https://github.com/safe-k/nugmail
[INFO] tweaked toml for git repo https://github.com/safe-k/nugmail written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/safe-k/nugmail already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 050713bd71d3885d0591a2ef93e04dac7fcdf55ae5a3b2ba141ef73960512324
[INFO] running `"docker" "start" "-a" "050713bd71d3885d0591a2ef93e04dac7fcdf55ae5a3b2ba141ef73960512324"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling isahc v0.9.1
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking nugmail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "050713bd71d3885d0591a2ef93e04dac7fcdf55ae5a3b2ba141ef73960512324"`
[INFO] running `"docker" "rm" "-f" "050713bd71d3885d0591a2ef93e04dac7fcdf55ae5a3b2ba141ef73960512324"`
[INFO] [stdout] 050713bd71d3885d0591a2ef93e04dac7fcdf55ae5a3b2ba141ef73960512324