[INFO] cloning repository naoppy/Language-processing-100-knocks-by-Rust [INFO] running `"git" "clone" "--bare" "git://github.com/naoppy/Language-processing-100-knocks-by-Rust.git" "work/cache/sources/gh/naoppy/Language-processing-100-knocks-by-Rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/naoppy/Language-processing-100-knocks-by-Rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/naoppy/Language-processing-100-knocks-by-Rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/naoppy/Language-processing-100-knocks-by-Rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/naoppy/Language-processing-100-knocks-by-Rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/naoppy/Language-processing-100-knocks-by-Rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/naoppy/Language-processing-100-knocks-by-Rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/naoppy/Language-processing-100-knocks-by-Rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d124c0ec942ac01231dfce01eec322922e6f304b [INFO] sha for GitHub repo naoppy/Language-processing-100-knocks-by-Rust: d124c0ec942ac01231dfce01eec322922e6f304b [INFO] validating manifest of naoppy/Language-processing-100-knocks-by-Rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of naoppy/Language-processing-100-knocks-by-Rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing naoppy/Language-processing-100-knocks-by-Rust [INFO] finished frobbing naoppy/Language-processing-100-knocks-by-Rust [INFO] frobbed toml for naoppy/Language-processing-100-knocks-by-Rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/naoppy/Language-processing-100-knocks-by-Rust/Cargo.toml [INFO] started frobbing naoppy/Language-processing-100-knocks-by-Rust [INFO] finished frobbing naoppy/Language-processing-100-knocks-by-Rust [INFO] frobbed toml for naoppy/Language-processing-100-knocks-by-Rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/naoppy/Language-processing-100-knocks-by-Rust/Cargo.toml [INFO] crate naoppy/Language-processing-100-knocks-by-Rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing naoppy/Language-processing-100-knocks-by-Rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/naoppy/Language-processing-100-knocks-by-Rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] f9674b15516d2056fb9911222716987b1e1f82d0e1b34c8989a05e372f3af274 [INFO] running `"docker" "start" "-a" "f9674b15516d2056fb9911222716987b1e1f82d0e1b34c8989a05e372f3af274"` [INFO] [stderr] Compiling gengo100 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `tab_to_space` [INFO] [stderr] --> src/chap2/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn tab_to_space(path: &Path, tab_width: usize) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_col` [INFO] [stderr] --> src/chap2/main.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | fn get_col(source: &Path, out: &Path, column_number: usize) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_columns` [INFO] [stderr] --> src/chap2/main.rs:57:1 [INFO] [stderr] | [INFO] [stderr] 57 | fn merge_columns(source1: &Path, source2: &Path) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `heads` [INFO] [stderr] --> src/chap2/main.rs:69:1 [INFO] [stderr] | [INFO] [stderr] 69 | fn heads(path: &Path, n: usize) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tails` [INFO] [stderr] --> src/chap2/main.rs:77:1 [INFO] [stderr] | [INFO] [stderr] 77 | fn tails(path: &Path, n: usize) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `split_file` [INFO] [stderr] --> src/chap2/main.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | fn split_file(path: &Path, n: usize) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_column_differences` [INFO] [stderr] --> src/chap2/main.rs:96:1 [INFO] [stderr] | [INFO] [stderr] 96 | fn get_column_differences(path: &Path, n: usize) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_by_column` [INFO] [stderr] --> src/chap2/main.rs:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | fn sort_by_column(path: &Path, n: usize) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_by_frequency` [INFO] [stderr] --> src/chap2/main.rs:126:1 [INFO] [stderr] | [INFO] [stderr] 126 | fn sort_by_frequency(path: &Path) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "f9674b15516d2056fb9911222716987b1e1f82d0e1b34c8989a05e372f3af274"` [INFO] running `"docker" "rm" "-f" "f9674b15516d2056fb9911222716987b1e1f82d0e1b34c8989a05e372f3af274"` [INFO] [stdout] f9674b15516d2056fb9911222716987b1e1f82d0e1b34c8989a05e372f3af274 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/naoppy/Language-processing-100-knocks-by-Rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] f28ff9f0e73295c3e36304dc232572bcaf80957bf6b7cf1084a23d87aed00f39 [INFO] running `"docker" "start" "-a" "f28ff9f0e73295c3e36304dc232572bcaf80957bf6b7cf1084a23d87aed00f39"` [INFO] [stderr] Compiling gengo100 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `tab_to_space` [INFO] [stderr] --> src/chap2/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn tab_to_space(path: &Path, tab_width: usize) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_col` [INFO] [stderr] --> src/chap2/main.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | fn get_col(source: &Path, out: &Path, column_number: usize) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_columns` [INFO] [stderr] --> src/chap2/main.rs:57:1 [INFO] [stderr] | [INFO] [stderr] 57 | fn merge_columns(source1: &Path, source2: &Path) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `heads` [INFO] [stderr] --> src/chap2/main.rs:69:1 [INFO] [stderr] | [INFO] [stderr] 69 | fn heads(path: &Path, n: usize) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tails` [INFO] [stderr] --> src/chap2/main.rs:77:1 [INFO] [stderr] | [INFO] [stderr] 77 | fn tails(path: &Path, n: usize) -> io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `split_file` [INFO] [stderr] --> src/chap2/main.rs:87:1 [INFO] [stderr] | [INFO] [stderr] 87 | fn split_file(path: &Path, n: usize) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_column_differences` [INFO] [stderr] --> src/chap2/main.rs:96:1 [INFO] [stderr] | [INFO] [stderr] 96 | fn get_column_differences(path: &Path, n: usize) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_by_column` [INFO] [stderr] --> src/chap2/main.rs:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | fn sort_by_column(path: &Path, n: usize) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_by_frequency` [INFO] [stderr] --> src/chap2/main.rs:126:1 [INFO] [stderr] | [INFO] [stderr] 126 | fn sort_by_frequency(path: &Path) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "f28ff9f0e73295c3e36304dc232572bcaf80957bf6b7cf1084a23d87aed00f39"` [INFO] running `"docker" "rm" "-f" "f28ff9f0e73295c3e36304dc232572bcaf80957bf6b7cf1084a23d87aed00f39"` [INFO] [stdout] f28ff9f0e73295c3e36304dc232572bcaf80957bf6b7cf1084a23d87aed00f39 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/naoppy/Language-processing-100-knocks-by-Rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 66dd790050115c6277170879dbe8a7158964ba1282ded2cc962a399d443f93f0 [INFO] running `"docker" "start" "-a" "66dd790050115c6277170879dbe8a7158964ba1282ded2cc962a399d443f93f0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/chap2-c1f4fd8d8c94dbed [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "66dd790050115c6277170879dbe8a7158964ba1282ded2cc962a399d443f93f0"` [INFO] running `"docker" "rm" "-f" "66dd790050115c6277170879dbe8a7158964ba1282ded2cc962a399d443f93f0"` [INFO] [stdout] 66dd790050115c6277170879dbe8a7158964ba1282ded2cc962a399d443f93f0