[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-2020-07-24 for beta-1.46-1 [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-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/naoppy/Language-processing-100-knocks-by-Rust on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 67de36ba10f4441e783ace93edccd6d312cf14768e4d324011732109a5ba0379 [INFO] running `Command { std: "docker" "start" "-a" "67de36ba10f4441e783ace93edccd6d312cf14768e4d324011732109a5ba0379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67de36ba10f4441e783ace93edccd6d312cf14768e4d324011732109a5ba0379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67de36ba10f4441e783ace93edccd6d312cf14768e4d324011732109a5ba0379", kill_on_drop: false }` [INFO] [stdout] 67de36ba10f4441e783ace93edccd6d312cf14768e4d324011732109a5ba0379 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 978b0d12cff187f80e95f6352f6ecb06c4d6d124092684523f05a99bace12cbf [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" "978b0d12cff187f80e95f6352f6ecb06c4d6d124092684523f05a99bace12cbf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling rand_pcg v0.1.1 [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.54s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "978b0d12cff187f80e95f6352f6ecb06c4d6d124092684523f05a99bace12cbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "978b0d12cff187f80e95f6352f6ecb06c4d6d124092684523f05a99bace12cbf", kill_on_drop: false }` [INFO] [stdout] 978b0d12cff187f80e95f6352f6ecb06c4d6d124092684523f05a99bace12cbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c5ed25936d44094c93f26cbad17496d410eff09072369d45427c65e4f6445f7 [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" "7c5ed25936d44094c93f26cbad17496d410eff09072369d45427c65e4f6445f7", 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 0.77s [INFO] running `Command { std: "docker" "inspect" "7c5ed25936d44094c93f26cbad17496d410eff09072369d45427c65e4f6445f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c5ed25936d44094c93f26cbad17496d410eff09072369d45427c65e4f6445f7", kill_on_drop: false }` [INFO] [stdout] 7c5ed25936d44094c93f26cbad17496d410eff09072369d45427c65e4f6445f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 815d51cc4f07ec49d10757cbd787a35942f6da6b9c916815cb529c5d05d8bf33 [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" "815d51cc4f07ec49d10757cbd787a35942f6da6b9c916815cb529c5d05d8bf33", 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: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chap2-9cd720e93f04b7c3 [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 `Command { std: "docker" "inspect" "815d51cc4f07ec49d10757cbd787a35942f6da6b9c916815cb529c5d05d8bf33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "815d51cc4f07ec49d10757cbd787a35942f6da6b9c916815cb529c5d05d8bf33", kill_on_drop: false }` [INFO] [stdout] 815d51cc4f07ec49d10757cbd787a35942f6da6b9c916815cb529c5d05d8bf33