[INFO] cloning repository https://github.com/naoppy/Language-processing-100-knocks-by-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naoppy/Language-processing-100-knocks-by-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaoppy%2FLanguage-processing-100-knocks-by-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaoppy%2FLanguage-processing-100-knocks-by-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d124c0ec942ac01231dfce01eec322922e6f304b [INFO] testing naoppy/Language-processing-100-knocks-by-Rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaoppy%2FLanguage-processing-100-knocks-by-Rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/naoppy/Language-processing-100-knocks-by-Rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/naoppy/Language-processing-100-knocks-by-Rust [INFO] finished tweaking git repo https://github.com/naoppy/Language-processing-100-knocks-by-Rust [INFO] tweaked toml for git repo https://github.com/naoppy/Language-processing-100-knocks-by-Rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/naoppy/Language-processing-100-knocks-by-Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 142353647a255634a727b0aaed94486089eeb0810ae416e5d3080c4d340e1701 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "142353647a255634a727b0aaed94486089eeb0810ae416e5d3080c4d340e1701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "142353647a255634a727b0aaed94486089eeb0810ae416e5d3080c4d340e1701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "142353647a255634a727b0aaed94486089eeb0810ae416e5d3080c4d340e1701", kill_on_drop: false }` [INFO] [stdout] 142353647a255634a727b0aaed94486089eeb0810ae416e5d3080c4d340e1701 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7434a9d7990ad049c6621e789312da8589af6dde563ca20f497ea0af948c0d28 [INFO] running `Command { std: "docker" "start" "-a" "7434a9d7990ad049c6621e789312da8589af6dde563ca20f497ea0af948c0d28", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling gengo100 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `tab_to_space` [INFO] [stdout] --> src/chap2/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn tab_to_space(path: &Path, tab_width: usize) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_col` [INFO] [stdout] --> src/chap2/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn get_col(source: &Path, out: &Path, column_number: usize) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_columns` [INFO] [stdout] --> src/chap2/main.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn merge_columns(source1: &Path, source2: &Path) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `heads` [INFO] [stdout] --> src/chap2/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn heads(path: &Path, n: usize) -> io::Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tails` [INFO] [stdout] --> src/chap2/main.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn tails(path: &Path, n: usize) -> io::Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_file` [INFO] [stdout] --> src/chap2/main.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn split_file(path: &Path, n: usize) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_column_differences` [INFO] [stdout] --> src/chap2/main.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn get_column_differences(path: &Path, n: usize) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sort_by_column` [INFO] [stdout] --> src/chap2/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn sort_by_column(path: &Path, n: usize) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sort_by_frequency` [INFO] [stdout] --> src/chap2/main.rs:126:4 [INFO] [stdout] | [INFO] [stdout] 126 | fn sort_by_frequency(path: &Path) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.74s [INFO] running `Command { std: "docker" "inspect" "7434a9d7990ad049c6621e789312da8589af6dde563ca20f497ea0af948c0d28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7434a9d7990ad049c6621e789312da8589af6dde563ca20f497ea0af948c0d28", kill_on_drop: false }` [INFO] [stdout] 7434a9d7990ad049c6621e789312da8589af6dde563ca20f497ea0af948c0d28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 37ad926e889c9de6e4f2985fb538ff89eb91093ebb9684a3040cc1f89eb2dee6 [INFO] running `Command { std: "docker" "start" "-a" "37ad926e889c9de6e4f2985fb538ff89eb91093ebb9684a3040cc1f89eb2dee6", kill_on_drop: false }` [INFO] [stderr] Compiling gengo100 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `tab_to_space` [INFO] [stdout] --> src/chap2/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn tab_to_space(path: &Path, tab_width: usize) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_col` [INFO] [stdout] --> src/chap2/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn get_col(source: &Path, out: &Path, column_number: usize) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_columns` [INFO] [stdout] --> src/chap2/main.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn merge_columns(source1: &Path, source2: &Path) -> io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `heads` [INFO] [stdout] --> src/chap2/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn heads(path: &Path, n: usize) -> io::Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tails` [INFO] [stdout] --> src/chap2/main.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn tails(path: &Path, n: usize) -> io::Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `split_file` [INFO] [stdout] --> src/chap2/main.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn split_file(path: &Path, n: usize) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_column_differences` [INFO] [stdout] --> src/chap2/main.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn get_column_differences(path: &Path, n: usize) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sort_by_column` [INFO] [stdout] --> src/chap2/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn sort_by_column(path: &Path, n: usize) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sort_by_frequency` [INFO] [stdout] --> src/chap2/main.rs:126:4 [INFO] [stdout] | [INFO] [stdout] 126 | fn sort_by_frequency(path: &Path) -> io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.02s [INFO] [stderr] Executable unittests src/chap2/main.rs (/opt/rustwide/target/debug/deps/chap2-5487733896ec39d8) [INFO] running `Command { std: "docker" "inspect" "37ad926e889c9de6e4f2985fb538ff89eb91093ebb9684a3040cc1f89eb2dee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37ad926e889c9de6e4f2985fb538ff89eb91093ebb9684a3040cc1f89eb2dee6", kill_on_drop: false }` [INFO] [stdout] 37ad926e889c9de6e4f2985fb538ff89eb91093ebb9684a3040cc1f89eb2dee6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 34da7a6cb50bb0f0d029387a344a937f37a1978d3715bec3f292a51b5d9e772e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "34da7a6cb50bb0f0d029387a344a937f37a1978d3715bec3f292a51b5d9e772e", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `tab_to_space` [INFO] [stderr] --> src/chap2/main.rs:23:4 [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:35:4 [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:57:4 [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:69:4 [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:77:4 [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:87:4 [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:96:4 [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:114:4 [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:126:4 [INFO] [stderr] | [INFO] [stderr] 126 | fn sort_by_frequency(path: &Path) -> io::Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `gengo100` (bin "chap2" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/chap2/main.rs (/opt/rustwide/target/debug/deps/chap2-5487733896ec39d8) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "34da7a6cb50bb0f0d029387a344a937f37a1978d3715bec3f292a51b5d9e772e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34da7a6cb50bb0f0d029387a344a937f37a1978d3715bec3f292a51b5d9e772e", kill_on_drop: false }` [INFO] [stdout] 34da7a6cb50bb0f0d029387a344a937f37a1978d3715bec3f292a51b5d9e772e