[INFO] fetching crate cortex-dispatcher 0.1.2...
[INFO] checking cortex-dispatcher-0.1.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate cortex-dispatcher 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cortex-dispatcher 0.1.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cortex-dispatcher 0.1.2
[INFO] finished tweaking crates.io crate cortex-dispatcher 0.1.2
[INFO] tweaked toml for crates.io crate cortex-dispatcher 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 5f406f5aa2c7f37e5445c60b17cb6e8ea114fbcce77057f97891be87ec05f31d
[INFO] running `"docker" "start" "-a" "5f406f5aa2c7f37e5445c60b17cb6e8ea114fbcce77057f97891be87ec05f31d"`
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking serde_regex v0.3.1
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking cortex-dispatcher v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Ok(c) = merge_result {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Ok(c) = merge_result {
[INFO] [stderr]    |               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `"docker" "inspect" "5f406f5aa2c7f37e5445c60b17cb6e8ea114fbcce77057f97891be87ec05f31d"`
[INFO] running `"docker" "rm" "-f" "5f406f5aa2c7f37e5445c60b17cb6e8ea114fbcce77057f97891be87ec05f31d"`
[INFO] [stdout] 5f406f5aa2c7f37e5445c60b17cb6e8ea114fbcce77057f97891be87ec05f31d