[INFO] crate spmc_buffer 0.5.1 is already in cache
[INFO] checking spmc_buffer-0.5.1 against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] extracting crate spmc_buffer 0.5.1 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate spmc_buffer 0.5.1 on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spmc_buffer 0.5.1
[INFO] finished tweaking crates.io crate spmc_buffer 0.5.1
[INFO] tweaked toml for crates.io crate spmc_buffer 0.5.1 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 976b095117eb6b3b7768c8b00242acd76a9d15f6410e6fee1567a03ea56b406a
[INFO] running `"docker" "start" "-a" "976b095117eb6b3b7768c8b00242acd76a9d15f6410e6fee1567a03ea56b406a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking testbench v0.7.0
[INFO] [stderr]     Checking spmc_buffer v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `testbench::race_cell::UsizeRaceCell`
[INFO] [stderr]    --> src/lib.rs:541:39
[INFO] [stderr]     |
[INFO] [stderr] 541 |     use testbench::race_cell::{Racey, UsizeRaceCell};
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ no `UsizeRaceCell` in `race_cell`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `spmc_buffer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "976b095117eb6b3b7768c8b00242acd76a9d15f6410e6fee1567a03ea56b406a"`
[INFO] running `"docker" "rm" "-f" "976b095117eb6b3b7768c8b00242acd76a9d15f6410e6fee1567a03ea56b406a"`
[INFO] [stdout] 976b095117eb6b3b7768c8b00242acd76a9d15f6410e6fee1567a03ea56b406a