[INFO] fetching crate dan-fritchman-rust-lang-book-crates 0.1.0... [INFO] testing dan-fritchman-rust-lang-book-crates-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate dan-fritchman-rust-lang-book-crates 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate dan-fritchman-rust-lang-book-crates 0.1.0 [INFO] finished tweaking crates.io crate dan-fritchman-rust-lang-book-crates 0.1.0 [INFO] tweaked toml for crates.io crate dan-fritchman-rust-lang-book-crates 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dan-fritchman-rust-lang-book-crates 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 602ccebc1fcdd4cbf88f686e39e1ddd03f05304eab21e45e9a3c0caab576cf6e [INFO] running `Command { std: "docker" "start" "-a" "602ccebc1fcdd4cbf88f686e39e1ddd03f05304eab21e45e9a3c0caab576cf6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "602ccebc1fcdd4cbf88f686e39e1ddd03f05304eab21e45e9a3c0caab576cf6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "602ccebc1fcdd4cbf88f686e39e1ddd03f05304eab21e45e9a3c0caab576cf6e", kill_on_drop: false }` [INFO] [stdout] 602ccebc1fcdd4cbf88f686e39e1ddd03f05304eab21e45e9a3c0caab576cf6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f506823f921e7f12d73eeda00d255764fc19612e906709998463494b021866c [INFO] running `Command { std: "docker" "start" "-a" "6f506823f921e7f12d73eeda00d255764fc19612e906709998463494b021866c", kill_on_drop: false }` [INFO] [stderr] Compiling dan-fritchman-rust-lang-book-crates v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [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/lib.rs:43:34 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "6f506823f921e7f12d73eeda00d255764fc19612e906709998463494b021866c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f506823f921e7f12d73eeda00d255764fc19612e906709998463494b021866c", kill_on_drop: false }` [INFO] [stdout] 6f506823f921e7f12d73eeda00d255764fc19612e906709998463494b021866c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abddbf6db31d96b54e53ab75bb15763984cff3bd93c778d1fc640ea6f9c9bb4a [INFO] running `Command { std: "docker" "start" "-a" "abddbf6db31d96b54e53ab75bb15763984cff3bd93c778d1fc640ea6f9c9bb4a", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [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/lib.rs:43:34 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling dan-fritchman-rust-lang-book-crates v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [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/lib.rs:43:34 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "abddbf6db31d96b54e53ab75bb15763984cff3bd93c778d1fc640ea6f9c9bb4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abddbf6db31d96b54e53ab75bb15763984cff3bd93c778d1fc640ea6f9c9bb4a", kill_on_drop: false }` [INFO] [stdout] abddbf6db31d96b54e53ab75bb15763984cff3bd93c778d1fc640ea6f9c9bb4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cd01d52aac5a6a1784cd153eda9a8dd2b9cc3eae3fc7b148a899f3ae489c7481 [INFO] running `Command { std: "docker" "start" "-a" "cd01d52aac5a6a1784cd153eda9a8dd2b9cc3eae3fc7b148a899f3ae489c7481", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `c1` [INFO] [stderr] --> src/lib.rs:43:16 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [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/lib.rs:43:34 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stderr] [INFO] [stderr] warning: `dan-fritchman-rust-lang-book-crates` (lib) generated 2 warnings [INFO] [stderr] warning: `dan-fritchman-rust-lang-book-crates` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dan_fritchman_rust_lang_book_crates-508b51c7dfb0ba54) [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] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dan_fritchman_rust_lang_book_crates-b48ccbf562d72fce) [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 dan_fritchman_rust_lang_book_crates [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - add_one (line 24) ... FAILED [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - add_one (line 24) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `crates` [INFO] [stdout] --> src/lib.rs:25:14 [INFO] [stdout] | [INFO] [stdout] 3 | assert_eq!(6,crates::add_one(5)) [INFO] [stdout] | ^^^^^^ use of unresolved module or unlinked crate `crates` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `crates`, use `cargo add crates` to add it to your `Cargo.toml` [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 24) [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] running `Command { std: "docker" "inspect" "cd01d52aac5a6a1784cd153eda9a8dd2b9cc3eae3fc7b148a899f3ae489c7481", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd01d52aac5a6a1784cd153eda9a8dd2b9cc3eae3fc7b148a899f3ae489c7481", kill_on_drop: false }` [INFO] [stdout] cd01d52aac5a6a1784cd153eda9a8dd2b9cc3eae3fc7b148a899f3ae489c7481