[INFO] crate topo 0.8.0 is already in cache
[INFO] extracting crate topo 0.8.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/topo/0.8.0
[INFO] extracting crate topo 0.8.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/topo/0.8.0
[INFO] validating manifest of topo-0.8.0 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 topo-0.8.0 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 topo-0.8.0
[INFO] finished frobbing topo-0.8.0
[INFO] frobbed toml for topo-0.8.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/topo/0.8.0/Cargo.toml
[INFO] started frobbing topo-0.8.0
[INFO] finished frobbing topo-0.8.0
[INFO] frobbed toml for topo-0.8.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/topo/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 topo-0.8.0 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/topo/0.8.0:/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] 6b7d558ccefc23a92eb3f13bf41e2cf05967cf6cd0828a0199e4a5f6a850bf11
[INFO] running `"docker" "start" "-a" "6b7d558ccefc23a92eb3f13bf41e2cf05967cf6cd0828a0199e4a5f6a850bf11"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling topo-macro v0.8.1
[INFO] [stderr]     Checking topo v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '452087b4bf18cece2d52d7cd8c9147195e5404bf-alt'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 452087b4bf18cece2d52d7cd8c9147195e5404bf-alt`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.39s
[INFO] running `"docker" "inspect" "6b7d558ccefc23a92eb3f13bf41e2cf05967cf6cd0828a0199e4a5f6a850bf11"`
[INFO] running `"docker" "rm" "-f" "6b7d558ccefc23a92eb3f13bf41e2cf05967cf6cd0828a0199e4a5f6a850bf11"`
[INFO] [stdout] 6b7d558ccefc23a92eb3f13bf41e2cf05967cf6cd0828a0199e4a5f6a850bf11