[INFO] crate sfxr 0.1.3 is already in cache
[INFO] extracting crate sfxr 0.1.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sfxr/0.1.3
[INFO] extracting crate sfxr 0.1.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sfxr/0.1.3
[INFO] validating manifest of sfxr-0.1.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sfxr-0.1.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sfxr-0.1.3
[INFO] finished frobbing sfxr-0.1.3
[INFO] frobbed toml for sfxr-0.1.3 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/sfxr/0.1.3/Cargo.toml
[INFO] started frobbing sfxr-0.1.3
[INFO] finished frobbing sfxr-0.1.3
[INFO] frobbed toml for sfxr-0.1.3 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sfxr/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sfxr-0.1.3 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/sfxr/0.1.3:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e8540007db0d480b1eefa592427724f327ba592f7870364224e415f838997edd
[INFO] running `"docker" "start" "-a" "e8540007db0d480b1eefa592427724f327ba592f7870364224e415f838997edd"`
[INFO] [stderr]     Checking rng_trait v0.1.1
[INFO] [stderr]     Checking prng v0.1.1
[INFO] [stderr] error[E0432]: unresolved import `alloc::arc`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prng-0.1.1/src/atomic_prng.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::arc::Arc;
[INFO] [stderr]   |            ^^^ could not find `arc` in `alloc`
[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 `prng`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e8540007db0d480b1eefa592427724f327ba592f7870364224e415f838997edd"`
[INFO] running `"docker" "rm" "-f" "e8540007db0d480b1eefa592427724f327ba592f7870364224e415f838997edd"`
[INFO] [stdout] e8540007db0d480b1eefa592427724f327ba592f7870364224e415f838997edd