[INFO] cloning repository https://github.com/talves/rust-book-cli-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/talves/rust-book-cli-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalves%2Frust-book-cli-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalves%2Frust-book-cli-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 647768be0a36b437efc547d67b5a8447277c840e
[INFO] testing talves/rust-book-cli-example against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftalves%2Frust-book-cli-example" "/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/talves/rust-book-cli-example
[INFO] finished tweaking git repo https://github.com/talves/rust-book-cli-example
[INFO] tweaked toml for git repo https://github.com/talves/rust-book-cli-example written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/talves/rust-book-cli-example 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 git repo https://github.com/talves/rust-book-cli-example 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-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47d90c23880459c44867cc9a99cfe107f2b5eddb01723e88b36ae94114bb9d19
[INFO] running `Command { std: "docker" "start" "-a" "47d90c23880459c44867cc9a99cfe107f2b5eddb01723e88b36ae94114bb9d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d90c23880459c44867cc9a99cfe107f2b5eddb01723e88b36ae94114bb9d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d90c23880459c44867cc9a99cfe107f2b5eddb01723e88b36ae94114bb9d19", kill_on_drop: false }`
[INFO] [stdout] 47d90c23880459c44867cc9a99cfe107f2b5eddb01723e88b36ae94114bb9d19
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b8af5c798a70d8b8c24f5cf2e0d03555dd64fca1548856accaac4d54ece055a
[INFO] running `Command { std: "docker" "start" "-a" "9b8af5c798a70d8b8c24f5cf2e0d03555dd64fca1548856accaac4d54ece055a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-book-cli-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Shoe` is never constructed
[INFO] [stdout]    --> src/lib.rs:333:8
[INFO] [stdout]     |
[INFO] [stdout] 333 | struct Shoe {
[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 `shoes_in_size` is never used
[INFO] [stdout]    --> src/lib.rs:338:4
[INFO] [stdout]     |
[INFO] [stdout] 338 | fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/lib.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | struct Counter {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl Counter {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 347 |     fn new() -> Counter {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "9b8af5c798a70d8b8c24f5cf2e0d03555dd64fca1548856accaac4d54ece055a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8af5c798a70d8b8c24f5cf2e0d03555dd64fca1548856accaac4d54ece055a", kill_on_drop: false }`
[INFO] [stdout] 9b8af5c798a70d8b8c24f5cf2e0d03555dd64fca1548856accaac4d54ece055a
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e37462e3587154aaef0ed82f3c54e0d98e55e2020b175cb34b1944fde56ad32f
[INFO] running `Command { std: "docker" "start" "-a" "e37462e3587154aaef0ed82f3c54e0d98e55e2020b175cb34b1944fde56ad32f", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Shoe` is never constructed
[INFO] [stdout]    --> src/lib.rs:333:8
[INFO] [stdout]     |
[INFO] [stdout] 333 | struct Shoe {
[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 `shoes_in_size` is never used
[INFO] [stdout]    --> src/lib.rs:338:4
[INFO] [stdout]     |
[INFO] [stdout] 338 | fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/lib.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | struct Counter {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl Counter {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] 347 |     fn new() -> Counter {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-book-cli-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e37462e3587154aaef0ed82f3c54e0d98e55e2020b175cb34b1944fde56ad32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37462e3587154aaef0ed82f3c54e0d98e55e2020b175cb34b1944fde56ad32f", kill_on_drop: false }`
[INFO] [stdout] e37462e3587154aaef0ed82f3c54e0d98e55e2020b175cb34b1944fde56ad32f
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0b13d62904493b2dc44c8f9eb1abafa8adfdd7ee403973f69ae56640253d171
[INFO] running `Command { std: "docker" "start" "-a" "c0b13d62904493b2dc44c8f9eb1abafa8adfdd7ee403973f69ae56640253d171", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Shoe` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:333:8
[INFO] [stdout] running 8 tests
[INFO] [stderr]     |
[INFO] [stdout] test tests::iterator_sum ... ok
[INFO] [stderr] 333 | struct Shoe {
[INFO] [stdout] test tests::test_custom_iterator ... ok
[INFO] [stderr]     |        ^^^^
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test tests::using_other_iterator_trait_methods ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::filters_by_size ... ok
[INFO] [stderr] warning: function `shoes_in_size` is never used
[INFO] [stderr]    --> src/lib.rs:338:4
[INFO] [stderr]     |
[INFO] [stderr] 338 | fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Counter` is never constructed
[INFO] [stderr]    --> src/lib.rs:343:8
[INFO] [stderr]     |
[INFO] [stderr] 343 | struct Counter {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/lib.rs:347:8
[INFO] [stderr]     |
[INFO] [stderr] 346 | impl Counter {
[INFO] [stderr]     | ------------ associated function in this implementation
[INFO] [stderr] 347 |     fn new() -> Counter {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-book-cli-example` (lib) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_book_cli_example-600e5a2674a1cc39)
[INFO] [stdout] test tests::iterator_map ... ok
[INFO] [stdout] test tests::iterator_demonstration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_book_cli_example-ab244b648377529f)
[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 rust_book_cli_example
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - Config (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Config (line 15) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Fatal Error: Missing a query string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Config (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0b13d62904493b2dc44c8f9eb1abafa8adfdd7ee403973f69ae56640253d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b13d62904493b2dc44c8f9eb1abafa8adfdd7ee403973f69ae56640253d171", kill_on_drop: false }`
[INFO] [stdout] c0b13d62904493b2dc44c8f9eb1abafa8adfdd7ee403973f69ae56640253d171
