[INFO] fetching crate cal 0.0.1...
[INFO] checking cal-0.0.1 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate cal 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cal 0.0.1 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cal 0.0.1
[INFO] finished tweaking crates.io crate cal 0.0.1
[INFO] tweaked toml for crates.io crate cal 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: path `/workspace/builds/worker-4/source/src/cal.rs` was erroneously implicitly accepted for binary `cal`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] c5f0867853ed2ed082084b7772e1b02a25ab1bcace6598da577a21e3c3519b2b
[INFO] running `"docker" "start" "-a" "c5f0867853ed2ed082084b7772e1b02a25ab1bcace6598da577a21e3c3519b2b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/cal.rs` was erroneously implicitly accepted for binary `cal`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking cal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::time::duration`
[INFO] [stderr]  --> src/cal.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::duration::Duration;
[INFO] [stderr]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::time::duration`
[INFO] [stderr]  --> src/cal.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::duration::Duration;
[INFO] [stderr]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `cal`.
[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 `"docker" "inspect" "c5f0867853ed2ed082084b7772e1b02a25ab1bcace6598da577a21e3c3519b2b"`
[INFO] running `"docker" "rm" "-f" "c5f0867853ed2ed082084b7772e1b02a25ab1bcace6598da577a21e3c3519b2b"`
[INFO] [stdout] c5f0867853ed2ed082084b7772e1b02a25ab1bcace6598da577a21e3c3519b2b