[INFO] fetching crate slog_kmsg 0.1.2...
[INFO] checking slog_kmsg-0.1.2 against master#f9fdf642bab2bfcabe1829a4c82aaf055330661b for pr-73102
[INFO] extracting crate slog_kmsg 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate slog_kmsg 0.1.2 on toolchain f9fdf642bab2bfcabe1829a4c82aaf055330661b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog_kmsg 0.1.2
[INFO] finished tweaking crates.io crate slog_kmsg 0.1.2
[INFO] tweaked toml for crates.io crate slog_kmsg 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "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] b987b63a62779b5c0328047e0e3f1cd0df235b7d5a0bc24fa81f36e876636ebf
[INFO] running `"docker" "start" "-a" "b987b63a62779b5c0328047e0e3f1cd0df235b7d5a0bc24fa81f36e876636ebf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking slog_kmsg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/lib.rs:45:36
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn log(&self, record: &Record, values: &OwnedKVList) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/lib.rs:45:36
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn log(&self, record: &Record, values: &OwnedKVList) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "b987b63a62779b5c0328047e0e3f1cd0df235b7d5a0bc24fa81f36e876636ebf"`
[INFO] running `"docker" "rm" "-f" "b987b63a62779b5c0328047e0e3f1cd0df235b7d5a0bc24fa81f36e876636ebf"`
[INFO] [stdout] b987b63a62779b5c0328047e0e3f1cd0df235b7d5a0bc24fa81f36e876636ebf