[INFO] crate custom_panic 0.0.0 is already in cache
[INFO] extracting crate custom_panic 0.0.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/custom_panic/0.0.0
[INFO] extracting crate custom_panic 0.0.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/custom_panic/0.0.0
[INFO] validating manifest of custom_panic-0.0.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of custom_panic-0.0.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing custom_panic-0.0.0
[INFO] finished frobbing custom_panic-0.0.0
[INFO] frobbed toml for custom_panic-0.0.0 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/custom_panic/0.0.0/Cargo.toml
[INFO] started frobbing custom_panic-0.0.0
[INFO] finished frobbing custom_panic-0.0.0
[INFO] frobbed toml for custom_panic-0.0.0 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/custom_panic/0.0.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking custom_panic-0.0.0 against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/custom_panic/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d36b5cc369b3b12c7d23d848301d3c2d65f4790ac61b1cc6d108b20c6467f38e
[INFO] running `"docker" "start" "-a" "d36b5cc369b3b12c7d23d848301d3c2d65f4790ac61b1cc6d108b20c6467f38e"`
[INFO] [stderr]     Checking custom_panic v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]  --> src/lib.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `location`
[INFO] [stderr]  --> src/lib.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     location: Option<ErrorLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]   --> src/lib.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]  --> src/lib.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `location`
[INFO] [stderr]  --> src/lib.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     location: Option<ErrorLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]   --> src/lib.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "d36b5cc369b3b12c7d23d848301d3c2d65f4790ac61b1cc6d108b20c6467f38e"`
[INFO] running `"docker" "rm" "-f" "d36b5cc369b3b12c7d23d848301d3c2d65f4790ac61b1cc6d108b20c6467f38e"`
[INFO] [stdout] d36b5cc369b3b12c7d23d848301d3c2d65f4790ac61b1cc6d108b20c6467f38e