[INFO] cloning repository Elrohil44/Chat
[INFO] running `"git" "clone" "--bare" "git://github.com/Elrohil44/Chat.git" "work/cache/sources/gh/Elrohil44/Chat"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Elrohil44/Chat'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Elrohil44/Chat" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Elrohil44/Chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Elrohil44/Chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Elrohil44/Chat" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Elrohil44/Chat"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Elrohil44/Chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3530bf8acef7cc2c527da831b0fd2f1a0ecbb88d
[INFO] sha for GitHub repo Elrohil44/Chat: 3530bf8acef7cc2c527da831b0fd2f1a0ecbb88d
[INFO] validating manifest of Elrohil44/Chat on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Elrohil44/Chat on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Elrohil44/Chat
[INFO] finished frobbing Elrohil44/Chat
[INFO] frobbed toml for Elrohil44/Chat written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Elrohil44/Chat/Cargo.toml
[INFO] started frobbing Elrohil44/Chat
[INFO] finished frobbing Elrohil44/Chat
[INFO] frobbed toml for Elrohil44/Chat written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Elrohil44/Chat/Cargo.toml
[INFO] crate Elrohil44/Chat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Elrohil44/Chat against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Elrohil44/Chat:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 772d55c651c553b97e4898cc7b1ff455f06ea832b6c765a29c00cddfe54d1a26
[INFO] running `"docker" "start" "-a" "772d55c651c553b97e4898cc7b1ff455f06ea832b6c765a29c00cddfe54d1a26"`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/server.rs:89:37
[INFO] [stderr]    |
[INFO] [stderr] 89 |                                 let mut clients_locked = clients.lock().unwrap();
[INFO] [stderr]    |                                     ----^^^^^^^^^^^^^^
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `"docker" "inspect" "772d55c651c553b97e4898cc7b1ff455f06ea832b6c765a29c00cddfe54d1a26"`
[INFO] running `"docker" "rm" "-f" "772d55c651c553b97e4898cc7b1ff455f06ea832b6c765a29c00cddfe54d1a26"`
[INFO] [stdout] 772d55c651c553b97e4898cc7b1ff455f06ea832b6c765a29c00cddfe54d1a26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Elrohil44/Chat:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b48c97e72d3a273440f02b6f532ac36616bff6df58cb156e9bf1d3f968270dc
[INFO] running `"docker" "start" "-a" "0b48c97e72d3a273440f02b6f532ac36616bff6df58cb156e9bf1d3f968270dc"`
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/server.rs:89:37
[INFO] [stderr]    |
[INFO] [stderr] 89 |                                 let mut clients_locked = clients.lock().unwrap();
[INFO] [stderr]    |                                     ----^^^^^^^^^^^^^^
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "0b48c97e72d3a273440f02b6f532ac36616bff6df58cb156e9bf1d3f968270dc"`
[INFO] running `"docker" "rm" "-f" "0b48c97e72d3a273440f02b6f532ac36616bff6df58cb156e9bf1d3f968270dc"`
[INFO] [stdout] 0b48c97e72d3a273440f02b6f532ac36616bff6df58cb156e9bf1d3f968270dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Elrohil44/Chat:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] b1cc26222314cb509e5977e11595630d694387a320349985e3d3fbeb222315f1
[INFO] running `"docker" "start" "-a" "b1cc26222314cb509e5977e11595630d694387a320349985e3d3fbeb222315f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chat-cac13c04a3b51b6b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/server-d880397739d95ad0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b1cc26222314cb509e5977e11595630d694387a320349985e3d3fbeb222315f1"`
[INFO] running `"docker" "rm" "-f" "b1cc26222314cb509e5977e11595630d694387a320349985e3d3fbeb222315f1"`
[INFO] [stdout] b1cc26222314cb509e5977e11595630d694387a320349985e3d3fbeb222315f1