[INFO] crate tokio-sync 0.1.4 is already in cache
[INFO] extracting crate tokio-sync 0.1.4 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/tokio-sync/0.1.4
[INFO] extracting crate tokio-sync 0.1.4 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/tokio-sync/0.1.4
[INFO] validating manifest of tokio-sync-0.1.4 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokio-sync-0.1.4 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokio-sync-0.1.4
[INFO] finished frobbing tokio-sync-0.1.4
[INFO] frobbed toml for tokio-sync-0.1.4 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/tokio-sync/0.1.4/Cargo.toml
[INFO] started frobbing tokio-sync-0.1.4
[INFO] finished frobbing tokio-sync-0.1.4
[INFO] frobbed toml for tokio-sync-0.1.4 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/tokio-sync/0.1.4/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tokio-sync-0.1.4 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/tokio-sync/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b016a3b3b8b9f9568dd5cd518af5a97b8958f17e827d39bd25fba1d836492ca6
[INFO] running `"docker" "start" "-a" "b016a3b3b8b9f9568dd5cd518af5a97b8958f17e827d39bd25fba1d836492ca6"`
[INFO] [stderr]     Checking tokio-mock-task v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Checking loom v0.1.1
[INFO] [stderr] warning: the item `Relaxed` is imported redundantly
[INFO] [stderr]    --> src/mpsc/list.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 12  | use std::sync::atomic::Ordering::{AcqRel, Acquire, Relaxed, Release};
[INFO] [stderr]     |                                                    ------- the item `Relaxed` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 218 |         use std::sync::atomic::Ordering::Relaxed;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Relaxed` is imported redundantly
[INFO] [stderr]    --> src/semaphore.rs:535:13
[INFO] [stderr]     |
[INFO] [stderr] 24  | use std::sync::atomic::Ordering::{self, AcqRel, Acquire, Relaxed, Release};
[INFO] [stderr]     |                                                          ------- the item `Relaxed` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 535 |         use std::sync::atomic::Ordering::Relaxed;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Relaxed` is imported redundantly
[INFO] [stderr]    --> src/mpsc/list.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 12  | use std::sync::atomic::Ordering::{AcqRel, Acquire, Relaxed, Release};
[INFO] [stderr]     |                                                    ------- the item `Relaxed` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 218 |         use std::sync::atomic::Ordering::Relaxed;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:3:24
[INFO] [stderr]     |
[INFO] [stderr] 3   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_imports)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `Relaxed` is imported redundantly
[INFO] [stderr]    --> src/semaphore.rs:535:13
[INFO] [stderr]     |
[INFO] [stderr] 24  | use std::sync::atomic::Ordering::{self, AcqRel, Acquire, Relaxed, Release};
[INFO] [stderr]     |                                                          ------- the item `Relaxed` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 535 |         use std::sync::atomic::Ordering::Relaxed;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b016a3b3b8b9f9568dd5cd518af5a97b8958f17e827d39bd25fba1d836492ca6"`
[INFO] running `"docker" "rm" "-f" "b016a3b3b8b9f9568dd5cd518af5a97b8958f17e827d39bd25fba1d836492ca6"`
[INFO] [stdout] b016a3b3b8b9f9568dd5cd518af5a97b8958f17e827d39bd25fba1d836492ca6