[INFO] cloning repository ThomasHertleif/cluster-heist
[INFO] running `"git" "clone" "--bare" "git://github.com/ThomasHertleif/cluster-heist.git" "work/cache/sources/gh/ThomasHertleif/cluster-heist"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ThomasHertleif/cluster-heist'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasHertleif/cluster-heist" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/ThomasHertleif/cluster-heist"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/ThomasHertleif/cluster-heist'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasHertleif/cluster-heist" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/ThomasHertleif/cluster-heist"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/ThomasHertleif/cluster-heist'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bcf3cb67c37632d70f0628fed38a6ff82e939b8
[INFO] sha for GitHub repo ThomasHertleif/cluster-heist: 3bcf3cb67c37632d70f0628fed38a6ff82e939b8
[INFO] validating manifest of ThomasHertleif/cluster-heist 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 ThomasHertleif/cluster-heist 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 ThomasHertleif/cluster-heist
[INFO] finished frobbing ThomasHertleif/cluster-heist
[INFO] frobbed toml for ThomasHertleif/cluster-heist written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/ThomasHertleif/cluster-heist/Cargo.toml
[INFO] started frobbing ThomasHertleif/cluster-heist
[INFO] finished frobbing ThomasHertleif/cluster-heist
[INFO] frobbed toml for ThomasHertleif/cluster-heist written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/ThomasHertleif/cluster-heist/Cargo.toml
[INFO] crate ThomasHertleif/cluster-heist 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] checking ThomasHertleif/cluster-heist against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/ThomasHertleif/cluster-heist:/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] 61cae434b38b60181377c9ab9548bbc3a8585ce0536a04780e3f40695704d874
[INFO] running `"docker" "start" "-a" "61cae434b38b60181377c9ab9548bbc3a8585ce0536a04780e3f40695704d874"`
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.53
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking notify v4.0.3
[INFO] [stderr]     Checking simple-server v0.3.0
[INFO] [stderr]     Checking cluster-heist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]   --> src/main.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use std::fs::{self, DirEntry};
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]   --> src/main.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use std::fs::{self, DirEntry};
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     t.join();
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     t.join();
[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 13.52s
[INFO] running `"docker" "inspect" "61cae434b38b60181377c9ab9548bbc3a8585ce0536a04780e3f40695704d874"`
[INFO] running `"docker" "rm" "-f" "61cae434b38b60181377c9ab9548bbc3a8585ce0536a04780e3f40695704d874"`
[INFO] [stdout] 61cae434b38b60181377c9ab9548bbc3a8585ce0536a04780e3f40695704d874