[INFO] crate twiggy-traits 0.3.0 is already in cache
[INFO] extracting crate twiggy-traits 0.3.0 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/twiggy-traits/0.3.0
[INFO] extracting crate twiggy-traits 0.3.0 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/twiggy-traits/0.3.0
[INFO] validating manifest of twiggy-traits-0.3.0 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twiggy-traits-0.3.0 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twiggy-traits-0.3.0
[INFO] finished frobbing twiggy-traits-0.3.0
[INFO] frobbed toml for twiggy-traits-0.3.0 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/twiggy-traits/0.3.0/Cargo.toml
[INFO] started frobbing twiggy-traits-0.3.0
[INFO] finished frobbing twiggy-traits-0.3.0
[INFO] frobbed toml for twiggy-traits-0.3.0 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/twiggy-traits/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking twiggy-traits-0.3.0 against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-4/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/twiggy-traits/0.3.0:/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df98686ff7363b6e21b0a98e878dbe0d8835d33f074463e906f916a47611b58e
[INFO] running `"docker" "start" "-a" "df98686ff7363b6e21b0a98e878dbe0d8835d33f074463e906f916a47611b58e"`
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]    Compiling cpp_demangle v0.2.12
[INFO] [stderr]     Checking parity-wasm v0.32.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking gimli v0.16.1
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking twiggy-ir v0.3.0
[INFO] [stderr]     Checking twiggy-traits v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> traits.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         items: &ir::Items,
[INFO] [stderr]     |         ^^^^^ help: consider using `_items` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]    --> traits.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         destination: &mut io::Write,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]    --> traits.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         items: &ir::Items,
[INFO] [stderr]     |         ^^^^^ help: consider using `_items` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]    --> traits.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         destination: &mut io::Write,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider using `_destination` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `"docker" "inspect" "df98686ff7363b6e21b0a98e878dbe0d8835d33f074463e906f916a47611b58e"`
[INFO] running `"docker" "rm" "-f" "df98686ff7363b6e21b0a98e878dbe0d8835d33f074463e906f916a47611b58e"`
[INFO] [stdout] df98686ff7363b6e21b0a98e878dbe0d8835d33f074463e906f916a47611b58e