[INFO] cloning repository lcolaholicl/pasero
[INFO] running `"git" "clone" "--bare" "git://github.com/lcolaholicl/pasero.git" "work/cache/sources/gh/lcolaholicl/pasero"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lcolaholicl/pasero'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lcolaholicl/pasero" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lcolaholicl/pasero"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lcolaholicl/pasero'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lcolaholicl/pasero" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lcolaholicl/pasero"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lcolaholicl/pasero'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41799032710564c7a0db0a0896b2be7c6d9a2eb0
[INFO] sha for GitHub repo lcolaholicl/pasero: 41799032710564c7a0db0a0896b2be7c6d9a2eb0
[INFO] validating manifest of lcolaholicl/pasero on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lcolaholicl/pasero on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lcolaholicl/pasero
[INFO] finished frobbing lcolaholicl/pasero
[INFO] frobbed toml for lcolaholicl/pasero written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/lcolaholicl/pasero/Cargo.toml
[INFO] started frobbing lcolaholicl/pasero
[INFO] finished frobbing lcolaholicl/pasero
[INFO] frobbed toml for lcolaholicl/pasero written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lcolaholicl/pasero/Cargo.toml
[INFO] crate lcolaholicl/pasero already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lcolaholicl/pasero against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/lcolaholicl/pasero:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e7d68a152abc0230a05f66d1ac17fc14ae298e249457e0f013a8a67c69018a38
[INFO] running `"docker" "start" "-a" "e7d68a152abc0230a05f66d1ac17fc14ae298e249457e0f013a8a67c69018a38"`
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pasero v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]   --> src/analyzer.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut root: String; // TODO: 接辞を元に語幹を導出する。
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_root`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]   --> src/analyzer.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut root: String; // TODO: 接辞を元に語幹を導出する。
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_root`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_file`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let output_file: Option<&str> = matches.value_of("output_file");
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output_file`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let output_file: Option<&str> = matches.value_of("output_file");
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_output_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `"docker" "inspect" "e7d68a152abc0230a05f66d1ac17fc14ae298e249457e0f013a8a67c69018a38"`
[INFO] running `"docker" "rm" "-f" "e7d68a152abc0230a05f66d1ac17fc14ae298e249457e0f013a8a67c69018a38"`
[INFO] [stdout] e7d68a152abc0230a05f66d1ac17fc14ae298e249457e0f013a8a67c69018a38