[INFO] crate robin-derives 0.3.0 is already in cache
[INFO] checking robin-derives-0.3.0 against master#eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc for pr-69560
[INFO] extracting crate robin-derives 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate robin-derives 0.3.0 on toolchain eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate robin-derives 0.3.0
[INFO] finished tweaking crates.io crate robin-derives 0.3.0
[INFO] tweaked toml for crates.io crate robin-derives 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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] c3371959f7881e75ad063ca16426695a6ddf99a73958d7b8a2ded1f8b32ec380
[INFO] running `"docker" "start" "-a" "c3371959f7881e75ad063ca16426695a6ddf99a73958d7b8a2ded1f8b32ec380"`
[INFO] [stderr]     Checking robin-derives v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `underscore`
[INFO] [stderr]    --> src/jobs.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn underscore(s: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "c3371959f7881e75ad063ca16426695a6ddf99a73958d7b8a2ded1f8b32ec380"`
[INFO] running `"docker" "rm" "-f" "c3371959f7881e75ad063ca16426695a6ddf99a73958d7b8a2ded1f8b32ec380"`
[INFO] [stdout] c3371959f7881e75ad063ca16426695a6ddf99a73958d7b8a2ded1f8b32ec380