[INFO] fetching crate yarte_helpers 0.9.6...
[INFO] checking yarte_helpers-0.9.6 against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] extracting crate yarte_helpers 0.9.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yarte_helpers 0.9.6 on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yarte_helpers 0.9.6
[INFO] finished tweaking crates.io crate yarte_helpers 0.9.6
[INFO] tweaked toml for crates.io crate yarte_helpers 0.9.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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-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" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "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] 129041869f3285f7b13cd60ddf66ff8553891d3baa7e4de9cfa2f88c0ce85b88
[INFO] running `"docker" "start" "-a" "129041869f3285f7b13cd60ddf66ff8553891d3baa7e4de9cfa2f88c0ce85b88"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling v_htmlescape v0.6.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling v_escape_derive v0.7.0
[INFO] [stderr]     Checking v_escape v0.9.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking yarte_helpers v0.9.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `crate::helpers::display_fn`
[INFO] [stderr]   --> src/helpers/io_fmt.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     use crate::helpers::display_fn::DisplayFn;
[INFO] [stderr]    |                         ^^^^^^^^^^ could not find `display_fn` in `helpers`
[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: could not compile `yarte_helpers`.
[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" "129041869f3285f7b13cd60ddf66ff8553891d3baa7e4de9cfa2f88c0ce85b88"`
[INFO] running `"docker" "rm" "-f" "129041869f3285f7b13cd60ddf66ff8553891d3baa7e4de9cfa2f88c0ce85b88"`
[INFO] [stdout] 129041869f3285f7b13cd60ddf66ff8553891d3baa7e4de9cfa2f88c0ce85b88