[INFO] cloning repository dwelman/rust_doku
[INFO] running `"git" "clone" "--bare" "git://github.com/dwelman/rust_doku.git" "work/cache/sources/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dwelman/rust_doku'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dwelman/rust_doku" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/dwelman/rust_doku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dwelman/rust_doku" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/dwelman/rust_doku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 679f04ede33d32d423522e22164836e1a1374f9b
[INFO] sha for GitHub repo dwelman/rust_doku: 679f04ede33d32d423522e22164836e1a1374f9b
[INFO] validating manifest of dwelman/rust_doku on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dwelman/rust_doku on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dwelman/rust_doku
[INFO] finished frobbing dwelman/rust_doku
[INFO] frobbed toml for dwelman/rust_doku written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/dwelman/rust_doku/Cargo.toml
[INFO] started frobbing dwelman/rust_doku
[INFO] finished frobbing dwelman/rust_doku
[INFO] frobbed toml for dwelman/rust_doku written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/dwelman/rust_doku/Cargo.toml
[INFO] crate dwelman/rust_doku has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dwelman/rust_doku against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/dwelman/rust_doku:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 57fb7514fa959cbcd2457d6222be26a6215b3c51aa35307fb0ca6ed3b96ae0c2
[INFO] running `"docker" "start" "-a" "57fb7514fa959cbcd2457d6222be26a6215b3c51aa35307fb0ca6ed3b96ae0c2"`
[INFO] [stderr]     Checking rust_doku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/puzzle_logic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use error;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/puzzle_logic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use error;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "57fb7514fa959cbcd2457d6222be26a6215b3c51aa35307fb0ca6ed3b96ae0c2"`
[INFO] running `"docker" "rm" "-f" "57fb7514fa959cbcd2457d6222be26a6215b3c51aa35307fb0ca6ed3b96ae0c2"`
[INFO] [stdout] 57fb7514fa959cbcd2457d6222be26a6215b3c51aa35307fb0ca6ed3b96ae0c2