[INFO] cloning repository https://github.com/sile/ekvsb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sile/ekvsb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fekvsb"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fekvsb'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b978c6671e0cc2c58a6f1d42339bad094b41397a
[INFO] checking sile/ekvsb against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fekvsb" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sile/ekvsb 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/sile/ekvsb
[INFO] finished tweaking git repo https://github.com/sile/ekvsb
[INFO] tweaked toml for git repo https://github.com/sile/ekvsb written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sile/ekvsb 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 577b89fd6b5e1415b6ca26f53814ff1013cc20d9e7d6967898ef09fd18ab8c51
[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" "577b89fd6b5e1415b6ca26f53814ff1013cc20d9e7d6967898ef09fd18ab8c51"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking historian v4.0.3
[INFO] [stderr]     Checking gnuplot v0.0.31
[INFO] [stderr]     Checking siphasher v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking byte-unit v1.1.0
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking fibers v0.1.12
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking procinfo v0.4.2
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]     Checking trackable v0.2.22
[INFO] [stderr]     Checking serde_bytes v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking pagecache v0.16.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "577b89fd6b5e1415b6ca26f53814ff1013cc20d9e7d6967898ef09fd18ab8c51"`
[INFO] running `"docker" "rm" "-f" "577b89fd6b5e1415b6ca26f53814ff1013cc20d9e7d6967898ef09fd18ab8c51"`
[INFO] [stdout] 577b89fd6b5e1415b6ca26f53814ff1013cc20d9e7d6967898ef09fd18ab8c51