[INFO] updating cached repository https://github.com/yuezato/cannyls_bench
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfa96e38fd954c781245325dc94d5e2157dfc3af
[INFO] checking yuezato/cannyls_bench against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuezato%2Fcannyls_bench" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuezato/cannyls_bench on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yuezato/cannyls_bench
[INFO] finished tweaking git repo https://github.com/yuezato/cannyls_bench
[INFO] tweaked toml for git repo https://github.com/yuezato/cannyls_bench written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yuezato/cannyls_bench already has a lockfile, it will not be regenerated
[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] fe0cc625adb4dc54e4f9259aa148b18bb2426f169f5edf62bf187107d87fb53d
[INFO] running `"docker" "start" "-a" "fe0cc625adb4dc54e4f9259aa148b18bb2426f169f5edf62bf187107d87fb53d"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking fibers v0.1.12
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking trackable v0.2.21
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking structopt v0.2.15
[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-0.1.11/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" "fe0cc625adb4dc54e4f9259aa148b18bb2426f169f5edf62bf187107d87fb53d"`
[INFO] running `"docker" "rm" "-f" "fe0cc625adb4dc54e4f9259aa148b18bb2426f169f5edf62bf187107d87fb53d"`
[INFO] [stdout] fe0cc625adb4dc54e4f9259aa148b18bb2426f169f5edf62bf187107d87fb53d