[INFO] crate bitboard 0.1.1 is already in cache
[INFO] checking bitboard-0.1.1 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate bitboard 0.1.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate bitboard 0.1.1 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bitboard 0.1.1
[INFO] finished tweaking crates.io crate bitboard 0.1.1
[INFO] tweaked toml for crates.io crate bitboard 0.1.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /mnt/big/crater/work/builds/worker-6/source/tests/nqueens.rs
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a45a9b424090c9cd39cd5c19ab65c02ed2271c773d2bc06a98a7fabeac2fceeb
[INFO] running `"docker" "start" "-a" "a45a9b424090c9cd39cd5c19ab65c02ed2271c773d2bc06a98a7fabeac2fceeb"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/nqueens.rs
[INFO] [stderr]     Checking bitboard v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/lib.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::heap::{Alloc, Layout, Heap};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[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 `bitboard`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/lib.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::heap::{Alloc, Layout, Heap};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `typenum::consts::*`
[INFO] [stderr]    --> src/lib.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |     use typenum::consts::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `typenum::consts::*`
[INFO] [stderr]     --> src/lib.rs:1361:9
[INFO] [stderr]      |
[INFO] [stderr] 1361 |     use typenum::consts::*;
[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 E0432`.
[INFO] [stderr] error: Could not compile `bitboard`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a45a9b424090c9cd39cd5c19ab65c02ed2271c773d2bc06a98a7fabeac2fceeb"`
[INFO] running `"docker" "rm" "-f" "a45a9b424090c9cd39cd5c19ab65c02ed2271c773d2bc06a98a7fabeac2fceeb"`
[INFO] [stdout] a45a9b424090c9cd39cd5c19ab65c02ed2271c773d2bc06a98a7fabeac2fceeb