[INFO] fetching crate histlog 0.1.6...
[INFO] checking histlog-0.1.6 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate histlog 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate histlog 0.1.6 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate histlog 0.1.6
[INFO] finished tweaking crates.io crate histlog 0.1.6
[INFO] tweaked toml for crates.io crate histlog 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cb99194c654d05612d467b09b6dfdd304fb2a1ba9d4a477bbb10c4a276b86c76
[INFO] running `"docker" "start" "-a" "cb99194c654d05612d467b09b6dfdd304fb2a1ba9d4a477bbb10c4a276b86c76"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking histlog v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `"docker" "inspect" "cb99194c654d05612d467b09b6dfdd304fb2a1ba9d4a477bbb10c4a276b86c76"`
[INFO] running `"docker" "rm" "-f" "cb99194c654d05612d467b09b6dfdd304fb2a1ba9d4a477bbb10c4a276b86c76"`
[INFO] [stdout] cb99194c654d05612d467b09b6dfdd304fb2a1ba9d4a477bbb10c4a276b86c76