[INFO] cloning repository https://github.com/kingfree/leetcode [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kingfree/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Fleetcode"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Fleetcode'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6da74bc81e71bf03410d3605ae66f6a71bfbbcfa [INFO] checking kingfree/leetcode against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Fleetcode" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kingfree/leetcode on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kingfree/leetcode [INFO] finished tweaking git repo https://github.com/kingfree/leetcode [INFO] tweaked toml for git repo https://github.com/kingfree/leetcode written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/kingfree/leetcode already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 38a9925ea12213f65ec19ce2cf03804e164959ee80e6237a718c4a4ad8621d1d [INFO] running `"docker" "start" "-a" "38a9925ea12213f65ec19ce2cf03804e164959ee80e6237a718c4a4ad8621d1d"` [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling leetcode_test v0.1.1 [INFO] [stderr] Checking leetcode_prelude v0.2.2 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.98s [INFO] running `"docker" "inspect" "38a9925ea12213f65ec19ce2cf03804e164959ee80e6237a718c4a4ad8621d1d"` [INFO] running `"docker" "rm" "-f" "38a9925ea12213f65ec19ce2cf03804e164959ee80e6237a718c4a4ad8621d1d"` [INFO] [stdout] 38a9925ea12213f65ec19ce2cf03804e164959ee80e6237a718c4a4ad8621d1d