[INFO] updating cached repository D4nte/rustfmt-3209
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/D4nte/rustfmt-3209
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/D4nte/rustfmt-3209" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/D4nte/rustfmt-3209"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/D4nte/rustfmt-3209'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/D4nte/rustfmt-3209" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/D4nte/rustfmt-3209"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of D4nte/rustfmt-3209 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking D4nte/rustfmt-3209 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c1fddf4275bb08a646824fd2edde07dbc23776d81ddb8929621b6ccdf18500e7
[INFO] running `"docker" "start" "-a" "c1fddf4275bb08a646824fd2edde07dbc23776d81ddb8929621b6ccdf18500e7"`
[INFO] [stderr]     Checking 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] warning: build failed, waiting for other jobs to finish...
[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" "c1fddf4275bb08a646824fd2edde07dbc23776d81ddb8929621b6ccdf18500e7"`
[INFO] running `"docker" "rm" "-f" "c1fddf4275bb08a646824fd2edde07dbc23776d81ddb8929621b6ccdf18500e7"`
[INFO] [stdout] c1fddf4275bb08a646824fd2edde07dbc23776d81ddb8929621b6ccdf18500e7