[INFO] cloning repository https://github.com/torkeldanielsson/japanese_commandline_trainer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/torkeldanielsson/japanese_commandline_trainer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Fjapanese_commandline_trainer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Fjapanese_commandline_trainer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8cdd20358c69499b732dbff0b0926db563fee31d [INFO] testing torkeldanielsson/japanese_commandline_trainer against beta-2026-04-21 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorkeldanielsson%2Fjapanese_commandline_trainer" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/torkeldanielsson/japanese_commandline_trainer [INFO] finished tweaking git repo https://github.com/torkeldanielsson/japanese_commandline_trainer [INFO] tweaked toml for git repo https://github.com/torkeldanielsson/japanese_commandline_trainer written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/torkeldanielsson/japanese_commandline_trainer on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/torkeldanielsson/japanese_commandline_trainer already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3555b518d233177dacd04ea126f6bd3d67a74343e548ed6ac0c68db5c6ee9a52 [INFO] running `Command { std: "docker" "start" "-a" "3555b518d233177dacd04ea126f6bd3d67a74343e548ed6ac0c68db5c6ee9a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3555b518d233177dacd04ea126f6bd3d67a74343e548ed6ac0c68db5c6ee9a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3555b518d233177dacd04ea126f6bd3d67a74343e548ed6ac0c68db5c6ee9a52", kill_on_drop: false }` [INFO] [stdout] 3555b518d233177dacd04ea126f6bd3d67a74343e548ed6ac0c68db5c6ee9a52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e9dacf3e75230657abf17eb635b98e9addcb9edf64c8dfa1274a5eca01ca59b [INFO] running `Command { std: "docker" "start" "-a" "3e9dacf3e75230657abf17eb635b98e9addcb9edf64c8dfa1274a5eca01ca59b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling hiragana v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `kanji` and `english` are never read [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct SampleSentence { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 10 | kanji: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | english: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SampleSentence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `samples` is never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Word { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | samples: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `Command { std: "docker" "inspect" "3e9dacf3e75230657abf17eb635b98e9addcb9edf64c8dfa1274a5eca01ca59b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9dacf3e75230657abf17eb635b98e9addcb9edf64c8dfa1274a5eca01ca59b", kill_on_drop: false }` [INFO] [stdout] 3e9dacf3e75230657abf17eb635b98e9addcb9edf64c8dfa1274a5eca01ca59b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0721b33d400f1d25c2be4ccff7756dc0d7a6901d63cae3302b32eaf2f8d84c5b [INFO] running `Command { std: "docker" "start" "-a" "0721b33d400f1d25c2be4ccff7756dc0d7a6901d63cae3302b32eaf2f8d84c5b", kill_on_drop: false }` [INFO] [stderr] Compiling hiragana v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `kanji` and `english` are never read [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct SampleSentence { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 10 | kanji: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | english: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SampleSentence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `samples` is never read [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Word { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | samples: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "0721b33d400f1d25c2be4ccff7756dc0d7a6901d63cae3302b32eaf2f8d84c5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0721b33d400f1d25c2be4ccff7756dc0d7a6901d63cae3302b32eaf2f8d84c5b", kill_on_drop: false }` [INFO] [stdout] 0721b33d400f1d25c2be4ccff7756dc0d7a6901d63cae3302b32eaf2f8d84c5b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b1240af9ff79a7dd2debde7eeb1bc5ca39ccf284f88d3f9dda8dedebd418790c [INFO] running `Command { std: "docker" "start" "-a" "b1240af9ff79a7dd2debde7eeb1bc5ca39ccf284f88d3f9dda8dedebd418790c", kill_on_drop: false }` [INFO] [stderr] warning: fields `kanji` and `english` are never read [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 9 | struct SampleSentence { [INFO] [stderr] | -------------- fields in this struct [INFO] [stderr] 10 | kanji: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 11 | english: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `SampleSentence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `samples` is never read [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 15 | struct Word { [INFO] [stderr] | ---- field in this struct [INFO] [stderr] ... [INFO] [stderr] 19 | samples: Vec, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Word` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `hiragana` (bin "hiragana" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hiragana-c2582356db186b7c) [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" "b1240af9ff79a7dd2debde7eeb1bc5ca39ccf284f88d3f9dda8dedebd418790c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1240af9ff79a7dd2debde7eeb1bc5ca39ccf284f88d3f9dda8dedebd418790c", kill_on_drop: false }` [INFO] [stdout] b1240af9ff79a7dd2debde7eeb1bc5ca39ccf284f88d3f9dda8dedebd418790c