[INFO] cloning repository allancalix/filefish
[INFO] running `"git" "clone" "--bare" "git://github.com/allancalix/filefish.git" "work/cache/sources/gh/allancalix/filefish"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/allancalix/filefish'...
[INFO] running `"git" "clone" "work/cache/sources/gh/allancalix/filefish" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/allancalix/filefish"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/allancalix/filefish'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/allancalix/filefish" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/allancalix/filefish"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/allancalix/filefish'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b07268acdfcf5a404de2e6e861b60d7fcefe85f
[INFO] sha for GitHub repo allancalix/filefish: 1b07268acdfcf5a404de2e6e861b60d7fcefe85f
[INFO] validating manifest of allancalix/filefish on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of allancalix/filefish on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing allancalix/filefish
[INFO] finished frobbing allancalix/filefish
[INFO] frobbed toml for allancalix/filefish written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/allancalix/filefish/Cargo.toml
[INFO] started frobbing allancalix/filefish
[INFO] finished frobbing allancalix/filefish
[INFO] frobbed toml for allancalix/filefish written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/allancalix/filefish/Cargo.toml
[INFO] crate allancalix/filefish has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] checking allancalix/filefish against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-5/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/allancalix/filefish:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ba971556d17b8eb0bae2b355095ad416ba35640a360a4a1ce3408841a3aeff2e
[INFO] running `"docker" "start" "-a" "ba971556d17b8eb0bae2b355095ad416ba35640a360a4a1ce3408841a3aeff2e"`
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking filetime v0.1.14
[INFO] [stderr]     Checking inotify v0.2.3
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking notify v2.6.3
[INFO] [stderr]     Checking filefish v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Watcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:16
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Ok(mut Watcher) => {
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to snake case: `watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Watcher.watch(&local_path_string);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Watcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:16
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Ok(mut Watcher) => {
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to snake case: `watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Watcher.watch(&local_path_string);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `"docker" "inspect" "ba971556d17b8eb0bae2b355095ad416ba35640a360a4a1ce3408841a3aeff2e"`
[INFO] running `"docker" "rm" "-f" "ba971556d17b8eb0bae2b355095ad416ba35640a360a4a1ce3408841a3aeff2e"`
[INFO] [stdout] ba971556d17b8eb0bae2b355095ad416ba35640a360a4a1ce3408841a3aeff2e