[INFO] crate frust 0.0.7 is already in cache
[INFO] checking frust-0.0.7 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate frust 0.0.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate frust 0.0.7 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate frust 0.0.7
[INFO] finished tweaking crates.io crate frust 0.0.7
[INFO] tweaked toml for crates.io crate frust 0.0.7 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06ded22ca78a641c5a4f90adfe68eae0d97e7745fa63e36282d1da12de38008c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "06ded22ca78a641c5a4f90adfe68eae0d97e7745fa63e36282d1da12de38008c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking frust v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::collections::*`
[INFO] [stderr]    --> src/semigroup.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |     use std::collections::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::*`
[INFO] [stderr]    --> src/semigroup.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |     use std::cell::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::*`
[INFO] [stderr]    --> src/monoid.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |     use std::collections::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "06ded22ca78a641c5a4f90adfe68eae0d97e7745fa63e36282d1da12de38008c"`
[INFO] running `"docker" "rm" "-f" "06ded22ca78a641c5a4f90adfe68eae0d97e7745fa63e36282d1da12de38008c"`
[INFO] [stdout] 06ded22ca78a641c5a4f90adfe68eae0d97e7745fa63e36282d1da12de38008c