[INFO] fetching crate bigbit 0.0.7...
[INFO] checking bigbit-0.0.7 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate bigbit 0.0.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bigbit 0.0.7 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bigbit 0.0.7
[INFO] finished tweaking crates.io crate bigbit 0.0.7
[INFO] tweaked toml for crates.io crate bigbit 0.0.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 0c4d4fa5ded090a36af816eb02525d68d617146dec84dfc22e7484b398d40933
[INFO] running `"docker" "start" "-a" "0c4d4fa5ded090a36af816eb02525d68d617146dec84dfc22e7484b398d40933"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bigbit v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `LBNumRef`
[INFO] [stderr]  --> src/ops/linkedbytes/div.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{LBNum, LBNumRef, DivRem, DivRemAssign};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LBNumRef`
[INFO] [stderr]  --> src/ops/linkedbytes/div.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{LBNum, LBNumRef, DivRem, DivRemAssign};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "0c4d4fa5ded090a36af816eb02525d68d617146dec84dfc22e7484b398d40933"`
[INFO] running `"docker" "rm" "-f" "0c4d4fa5ded090a36af816eb02525d68d617146dec84dfc22e7484b398d40933"`
[INFO] [stdout] 0c4d4fa5ded090a36af816eb02525d68d617146dec84dfc22e7484b398d40933