[INFO] cloning repository D4nte/rustfmt-3209
[INFO] running `"git" "clone" "--bare" "git://github.com/D4nte/rustfmt-3209.git" "work/cache/sources/gh/D4nte/rustfmt-3209"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/D4nte/rustfmt-3209'...
[INFO] running `"git" "clone" "work/cache/sources/gh/D4nte/rustfmt-3209" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/D4nte/rustfmt-3209"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/D4nte/rustfmt-3209'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/D4nte/rustfmt-3209" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/D4nte/rustfmt-3209"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/D4nte/rustfmt-3209'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f934521ddb300088bc9811cc28199ac2da6eb3f2
[INFO] sha for GitHub repo D4nte/rustfmt-3209: f934521ddb300088bc9811cc28199ac2da6eb3f2
[INFO] validating manifest of D4nte/rustfmt-3209 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 D4nte/rustfmt-3209 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 D4nte/rustfmt-3209
[INFO] finished frobbing D4nte/rustfmt-3209
[INFO] frobbed toml for D4nte/rustfmt-3209 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/D4nte/rustfmt-3209/Cargo.toml
[INFO] started frobbing D4nte/rustfmt-3209
[INFO] finished frobbing D4nte/rustfmt-3209
[INFO] frobbed toml for D4nte/rustfmt-3209 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/D4nte/rustfmt-3209/Cargo.toml
[INFO] crate D4nte/rustfmt-3209 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 D4nte/rustfmt-3209 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/D4nte/rustfmt-3209:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] bbff7c3e9c2a2e5476bb395cb3d1ef20e1fc6cf0c7464525676d9681d152bf3d
[INFO] running `"docker" "start" "-a" "bbff7c3e9c2a2e5476bb395cb3d1ef20e1fc6cf0c7464525676d9681d152bf3d"`
[INFO] [stderr]    Compiling tmp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Mutex` in this scope
[INFO] [stderr]  --> src/main.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 |     next_internal_index: Mutex<u32>,
[INFO] [stderr]   |                          ^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::Mutex;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `tmp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bbff7c3e9c2a2e5476bb395cb3d1ef20e1fc6cf0c7464525676d9681d152bf3d"`
[INFO] running `"docker" "rm" "-f" "bbff7c3e9c2a2e5476bb395cb3d1ef20e1fc6cf0c7464525676d9681d152bf3d"`
[INFO] [stdout] bbff7c3e9c2a2e5476bb395cb3d1ef20e1fc6cf0c7464525676d9681d152bf3d