[INFO] fetching crate hb 0.0.13...
[INFO] checking hb-0.0.13 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate hb 0.0.13 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hb 0.0.13 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hb 0.0.13
[INFO] finished tweaking crates.io crate hb 0.0.13
[INFO] tweaked toml for crates.io crate hb 0.0.13 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fibers_http_client v0.1.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 0aca0ad7af73bfed4e150e7fcacb713585481c55c605d0d42a9855015369d07f
[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" "0aca0ad7af73bfed4e150e7fcacb713585481c55c605d0d42a9855015369d07f"`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking fibers v0.1.12
[INFO] [stderr]     Checking procinfo v0.4.2
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.12
[INFO] [stderr]     Checking serdeconv v0.3.0
[INFO] [stderr]     Checking slog-scope v4.2.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking sloggers v0.3.4
[INFO] [stderr]     Checking httpcodec v0.2.3
[INFO] [stderr]     Checking prometrics v0.1.12
[INFO] [stderr] error: unused boxed `std::ops::FnMut` trait object in field `0` that must be used
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.12/src/registry.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 self.collectors.swap_remove(i);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `prometrics`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0aca0ad7af73bfed4e150e7fcacb713585481c55c605d0d42a9855015369d07f"`
[INFO] running `"docker" "rm" "-f" "0aca0ad7af73bfed4e150e7fcacb713585481c55c605d0d42a9855015369d07f"`
[INFO] [stdout] 0aca0ad7af73bfed4e150e7fcacb713585481c55c605d0d42a9855015369d07f