[INFO] fetching crate ch14-cargo-and-crates-io 0.1.0...
[INFO] testing ch14-cargo-and-crates-io-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate ch14-cargo-and-crates-io 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ch14-cargo-and-crates-io 0.1.0
[INFO] finished tweaking crates.io crate ch14-cargo-and-crates-io 0.1.0
[INFO] tweaked toml for crates.io crate ch14-cargo-and-crates-io 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ch14-cargo-and-crates-io 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ch14-cargo-and-crates-io 0.1.0 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeeb07c9d0803fe9d7c59d712d193a994d9f4364307442dbf2aeaad3c1c016ab
[INFO] running `Command { std: "docker" "start" "-a" "aeeb07c9d0803fe9d7c59d712d193a994d9f4364307442dbf2aeaad3c1c016ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeeb07c9d0803fe9d7c59d712d193a994d9f4364307442dbf2aeaad3c1c016ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeeb07c9d0803fe9d7c59d712d193a994d9f4364307442dbf2aeaad3c1c016ab", kill_on_drop: false }`
[INFO] [stdout] aeeb07c9d0803fe9d7c59d712d193a994d9f4364307442dbf2aeaad3c1c016ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e491b042c329b682d906da9124eb61605b5c1da080393046df276de60bb9046a
[INFO] running `Command { std: "docker" "start" "-a" "e491b042c329b682d906da9124eb61605b5c1da080393046df276de60bb9046a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ch14-cargo-and-crates-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/art.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     c1: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/art.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     c2: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e491b042c329b682d906da9124eb61605b5c1da080393046df276de60bb9046a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e491b042c329b682d906da9124eb61605b5c1da080393046df276de60bb9046a", kill_on_drop: false }`
[INFO] [stdout] e491b042c329b682d906da9124eb61605b5c1da080393046df276de60bb9046a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e9ffa64025fc9bc7042913b2fe245b45f0912b5566371d8607b653fc5154072
[INFO] running `Command { std: "docker" "start" "-a" "1e9ffa64025fc9bc7042913b2fe245b45f0912b5566371d8607b653fc5154072", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/art.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     c1: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch14-cargo-and-crates-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/art.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     c2: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/art.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     c1: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/art.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     c2: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "1e9ffa64025fc9bc7042913b2fe245b45f0912b5566371d8607b653fc5154072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9ffa64025fc9bc7042913b2fe245b45f0912b5566371d8607b653fc5154072", kill_on_drop: false }`
[INFO] [stdout] 1e9ffa64025fc9bc7042913b2fe245b45f0912b5566371d8607b653fc5154072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d48de0aace88ffee5ee521ee94c390c1c4e4c79e981a899b96db6e3e7ece7f83
[INFO] running `Command { std: "docker" "start" "-a" "d48de0aace88ffee5ee521ee94c390c1c4e4c79e981a899b96db6e3e7ece7f83", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/art.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     c1: PrimaryColor,
[INFO] [stderr]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/art.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     c2: PrimaryColor,
[INFO] [stderr]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: `ch14-cargo-and-crates-io` (lib) generated 2 warnings (run `cargo fix --lib -p ch14-cargo-and-crates-io` to apply 2 suggestions)
[INFO] [stderr] warning: `ch14-cargo-and-crates-io` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ch14_cargo_and_crates_io-1f41a18839c3357a)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_add_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ch14_cargo_and_crates_io-f5ab715eb9113358)
[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] [stderr]    Doc-tests ch14_cargo_and_crates_io
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 12) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ch14_cargo_and_crates`
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | let answer = ch14_cargo_and_crates::add_one(arg);
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ch14_cargo_and_crates`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 14 | let answer = ch14_cargo_and_crates_io::add_one(arg);
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - add_one (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d48de0aace88ffee5ee521ee94c390c1c4e4c79e981a899b96db6e3e7ece7f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48de0aace88ffee5ee521ee94c390c1c4e4c79e981a899b96db6e3e7ece7f83", kill_on_drop: false }`
[INFO] [stdout] d48de0aace88ffee5ee521ee94c390c1c4e4c79e981a899b96db6e3e7ece7f83
