[INFO] crate diffs 0.2.1 is already in cache
[INFO] extracting crate diffs 0.2.1 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/diffs/0.2.1
[INFO] extracting crate diffs 0.2.1 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/diffs/0.2.1
[INFO] validating manifest of diffs-0.2.1 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of diffs-0.2.1 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing diffs-0.2.1
[INFO] finished frobbing diffs-0.2.1
[INFO] frobbed toml for diffs-0.2.1 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/diffs/0.2.1/Cargo.toml
[INFO] started frobbing diffs-0.2.1
[INFO] finished frobbing diffs-0.2.1
[INFO] frobbed toml for diffs-0.2.1 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/diffs/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking diffs-0.2.1 against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-7/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/diffs/0.2.1:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e96f46718519fb851b5e4e22228d670e9766d81b3807ffd928beb8f2e30414b7
[INFO] running `"docker" "start" "-a" "e96f46718519fb851b5e4e22228d670e9766d81b3807ffd928beb8f2e30414b7"`
[INFO] [stderr]     Checking diffs v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::fmt::Debug` for type `patience::I<'_, _>`:
[INFO] [stderr]   --> src/patience.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^ conflicting implementation for `patience::I<'_, _>`
[INFO] [stderr] ...
[INFO] [stderr] 13 | impl<'a, A: std::fmt::Debug + 'a> std::fmt::Debug for I<'a, A> {
[INFO] [stderr]    | -------------------------------------------------------------- first implementation here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `diffs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e96f46718519fb851b5e4e22228d670e9766d81b3807ffd928beb8f2e30414b7"`
[INFO] running `"docker" "rm" "-f" "e96f46718519fb851b5e4e22228d670e9766d81b3807ffd928beb8f2e30414b7"`
[INFO] [stdout] e96f46718519fb851b5e4e22228d670e9766d81b3807ffd928beb8f2e30414b7