[INFO] cloning repository https://github.com/Tempost/programming-rust-book
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[INFO] [stdout] 2ba3ecf0c172709700525612fcc5e84f6eda3eb5
[INFO] testing Tempost/programming-rust-book against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTempost%2Fprogramming-rust-book" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
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[INFO] [stderr]    Compiling chapter_3 v0.1.0 (/opt/rustwide/workdir/chapter_3)
[INFO] [stderr]    Compiling chapter_9 v0.1.0 (/opt/rustwide/workdir/chapter_9)
[INFO] [stderr]    Compiling chapter_7 v0.1.0 (/opt/rustwide/workdir/chapter_7)
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[INFO] [stderr]    Compiling chapter_8 v0.1.0 (/opt/rustwide/workdir/chapter_8)
[INFO] [stdout] warning: struct `StringTable` is never constructed
[INFO] [stdout]   --> chapter_4/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct StringTable {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_by_prefix` is never used
[INFO] [stdout]   --> chapter_4/src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl StringTable {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn find_by_prefix(&self, prefix: &str) -> Option<&String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project v1.0.12
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[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 10m 03s
[INFO] running `Command { std: "docker" "inspect" "fb22d25880b6a71a7707925393ee53deac3a28c82d888c41b9e7cc87128bb765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb22d25880b6a71a7707925393ee53deac3a28c82d888c41b9e7cc87128bb765", kill_on_drop: false }`
[INFO] [stdout] fb22d25880b6a71a7707925393ee53deac3a28c82d888c41b9e7cc87128bb765
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f28047bbf60d97ba95eaeb096fe99a6d9fd087ac2c9f6b6d881daeebfb2555ed
[INFO] running `Command { std: "docker" "start" "-a" "f28047bbf60d97ba95eaeb096fe99a6d9fd087ac2c9f6b6d881daeebfb2555ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter_3 v0.1.0 (/opt/rustwide/workdir/chapter_3)
[INFO] [stderr]    Compiling chapter_7 v0.1.0 (/opt/rustwide/workdir/chapter_7)
[INFO] [stderr]    Compiling chapter_8 v0.1.0 (/opt/rustwide/workdir/chapter_8)
[INFO] [stderr]    Compiling chapter_2 v0.1.0 (/opt/rustwide/workdir/chapter_2)
[INFO] [stderr]    Compiling chapter_9 v0.1.0 (/opt/rustwide/workdir/chapter_9)
[INFO] [stderr]    Compiling chapter_4 v0.1.0 (/opt/rustwide/workdir/chapter_4)
[INFO] [stdout] warning: struct `StringTable` is never constructed
[INFO] [stdout]   --> chapter_4/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct StringTable {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_by_prefix` is never used
[INFO] [stdout]   --> chapter_4/src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl StringTable {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn find_by_prefix(&self, prefix: &str) -> Option<&String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "f28047bbf60d97ba95eaeb096fe99a6d9fd087ac2c9f6b6d881daeebfb2555ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28047bbf60d97ba95eaeb096fe99a6d9fd087ac2c9f6b6d881daeebfb2555ed", kill_on_drop: false }`
[INFO] [stdout] f28047bbf60d97ba95eaeb096fe99a6d9fd087ac2c9f6b6d881daeebfb2555ed
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74f5c7411d67fca0ea562d54ce65012e89e1e0470b8dd3c3302be3bb86c351c2
[INFO] running `Command { std: "docker" "start" "-a" "74f5c7411d67fca0ea562d54ce65012e89e1e0470b8dd3c3302be3bb86c351c2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `StringTable` is never constructed
[INFO] [stderr]   --> chapter_4/src/main.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct StringTable {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_by_prefix` is never used
[INFO] [stderr]   --> chapter_4/src/main.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl StringTable {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 57 |     fn find_by_prefix(&self, prefix: &str) -> Option<&String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter_4` (bin "chapter_4" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chapter_2-d4281f82949d54ee)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_gcd ... 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/bin/actix_gcd.rs (/opt/rustwide/target/debug/deps/actix_gcd-7392b6ff6522da0c)
[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/bin/cc_mandlebrot.rs (/opt/rustwide/target/debug/deps/cc_mandlebrot-7539ed470c8fccbb)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_parse_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/cmd_line.rs (/opt/rustwide/target/debug/deps/cmd_line-edd1df907763a239)
[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/bin/quickreplace.rs (/opt/rustwide/target/debug/deps/quickreplace-9a9f771066d30d65)
[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/chapter_3-3040b6c696282c05)
[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/chapter_4-22cf4544d09d2484)
[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/chapter_7-a7ed60d6ed19ea1a)
[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/lib.rs (/opt/rustwide/target/debug/deps/chapter_8-a64b570a52264c4c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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/chapter_9-cb553c9e53bb6d90)
[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 chapter_2
[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 chapter_8
[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" "74f5c7411d67fca0ea562d54ce65012e89e1e0470b8dd3c3302be3bb86c351c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f5c7411d67fca0ea562d54ce65012e89e1e0470b8dd3c3302be3bb86c351c2", kill_on_drop: false }`
[INFO] [stdout] 74f5c7411d67fca0ea562d54ce65012e89e1e0470b8dd3c3302be3bb86c351c2