[INFO] cloning repository https://github.com/ryo0705s/rust-lesson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryo0705s/rust-lesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo0705s%2Frust-lesson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo0705s%2Frust-lesson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a789eaccaebc1747aaf67244136c9047ccd71fb
[INFO] testing ryo0705s/rust-lesson against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo0705s%2Frust-lesson" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryo0705s/rust-lesson
[INFO] finished tweaking git repo https://github.com/ryo0705s/rust-lesson
[INFO] tweaked toml for git repo https://github.com/ryo0705s/rust-lesson written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryo0705s/rust-lesson on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryo0705s/rust-lesson 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0153f87620fe76613ea2340d70665895e9f402c471039bada7e0d9d9b9b49a20
[INFO] running `Command { std: "docker" "start" "-a" "0153f87620fe76613ea2340d70665895e9f402c471039bada7e0d9d9b9b49a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0153f87620fe76613ea2340d70665895e9f402c471039bada7e0d9d9b9b49a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0153f87620fe76613ea2340d70665895e9f402c471039bada7e0d9d9b9b49a20", kill_on_drop: false }`
[INFO] [stdout] 0153f87620fe76613ea2340d70665895e9f402c471039bada7e0d9d9b9b49a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e5d6707bb9f1829d029fcc8530cb1a08ac11396d46f10a1d4587a5a1a9ed28b
[INFO] running `Command { std: "docker" "start" "-a" "5e5d6707bb9f1829d029fcc8530cb1a08ac11396d46f10a1d4587a5a1a9ed28b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `func_a` is never used
[INFO] [stdout]  --> src/verse/sub_a.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_a() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_b` is never used
[INFO] [stdout]  --> src/verse/sub_b.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_b() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5e5d6707bb9f1829d029fcc8530cb1a08ac11396d46f10a1d4587a5a1a9ed28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5d6707bb9f1829d029fcc8530cb1a08ac11396d46f10a1d4587a5a1a9ed28b", kill_on_drop: false }`
[INFO] [stdout] 5e5d6707bb9f1829d029fcc8530cb1a08ac11396d46f10a1d4587a5a1a9ed28b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f07b6a19d114338128d438a656afe76c56b729e7167ecb6f44033ed7382689c6
[INFO] running `Command { std: "docker" "start" "-a" "f07b6a19d114338128d438a656afe76c56b729e7167ecb6f44033ed7382689c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `func_a` is never used
[INFO] [stdout]  --> src/verse/sub_a.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_a() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func_b` is never used
[INFO] [stdout]  --> src/verse/sub_b.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn func_b() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f07b6a19d114338128d438a656afe76c56b729e7167ecb6f44033ed7382689c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07b6a19d114338128d438a656afe76c56b729e7167ecb6f44033ed7382689c6", kill_on_drop: false }`
[INFO] [stdout] f07b6a19d114338128d438a656afe76c56b729e7167ecb6f44033ed7382689c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ae2cfcebfd45288cca1a3eb8ef05e0c2e84bd19973da2f93cd0e66a4624efc6
[INFO] running `Command { std: "docker" "start" "-a" "7ae2cfcebfd45288cca1a3eb8ef05e0c2e84bd19973da2f93cd0e66a4624efc6", kill_on_drop: false }`
[INFO] [stderr] warning: function `func_a` is never used
[INFO] [stderr]  --> src/verse/sub_a.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn func_a() {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `func_b` is never used
[INFO] [stderr]  --> src/verse/sub_b.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn func_b() {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-lesson` (bin "rust-lesson" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lesson-747b0fedd7eb830b)
[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" "7ae2cfcebfd45288cca1a3eb8ef05e0c2e84bd19973da2f93cd0e66a4624efc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae2cfcebfd45288cca1a3eb8ef05e0c2e84bd19973da2f93cd0e66a4624efc6", kill_on_drop: false }`
[INFO] [stdout] 7ae2cfcebfd45288cca1a3eb8ef05e0c2e84bd19973da2f93cd0e66a4624efc6