[INFO] updating cached repository https://github.com/luki446/digit-reader
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d0ed1ae01a3a9ede23a0efdd94dff011d8546e0
[INFO] checking luki446/digit-reader against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki446%2Fdigit-reader" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luki446/digit-reader on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/luki446/digit-reader
[INFO] finished tweaking git repo https://github.com/luki446/digit-reader
[INFO] tweaked toml for git repo https://github.com/luki446/digit-reader written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/luki446/digit-reader already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 2ac691648a24f1a8db6f8be632cc5f762371f88bdc179e9cace1bc3da04bb018
[INFO] running `"docker" "start" "-a" "2ac691648a24f1a8db6f8be632cc5f762371f88bdc179e9cace1bc3da04bb018"`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking nn v0.1.6
[INFO] [stderr]     Checking digit-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `duration` in `time`
[INFO] [stderr]    --> src/main.rs:100:69
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .halt_condition(HaltCondition::Timer(std::time::duration::Duration::seconds(20)))
[INFO] [stderr]     |                                                                     ^^^^^^^^ could not find `duration` in `time`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `duration` in `time`
[INFO] [stderr]    --> src/main.rs:100:69
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .halt_condition(HaltCondition::Timer(std::time::duration::Duration::seconds(20)))
[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 E0433`.
[INFO] [stderr] error: could not compile `digit-reader`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `digit-reader`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2ac691648a24f1a8db6f8be632cc5f762371f88bdc179e9cace1bc3da04bb018"`
[INFO] running `"docker" "rm" "-f" "2ac691648a24f1a8db6f8be632cc5f762371f88bdc179e9cace1bc3da04bb018"`
[INFO] [stdout] 2ac691648a24f1a8db6f8be632cc5f762371f88bdc179e9cace1bc3da04bb018