[INFO] fetching crate mdbook-exercises 0.1.5...
[INFO] testing mdbook-exercises-0.1.5 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] extracting crate mdbook-exercises 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mdbook-exercises 0.1.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mdbook-exercises 0.1.5
[INFO] tweaked toml for crates.io crate mdbook-exercises 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-exercises 0.1.5 on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-exercises 0.1.5 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded mdbook v0.4.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f5a35a1c3f1c771c801c9ceb11bd797f164e7007937399bc1cf94ad7a66682d
[INFO] running `Command { std: "docker" "start" "-a" "9f5a35a1c3f1c771c801c9ceb11bd797f164e7007937399bc1cf94ad7a66682d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5a35a1c3f1c771c801c9ceb11bd797f164e7007937399bc1cf94ad7a66682d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5a35a1c3f1c771c801c9ceb11bd797f164e7007937399bc1cf94ad7a66682d", kill_on_drop: false }`
[INFO] [stdout] 9f5a35a1c3f1c771c801c9ceb11bd797f164e7007937399bc1cf94ad7a66682d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ae6758b132e47677610d8c2100572e773e07bf2cae0b822491ecb8decdf4db
[INFO] running `Command { std: "docker" "start" "-a" "c7ae6758b132e47677610d8c2100572e773e07bf2cae0b822491ecb8decdf4db", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mdbook v0.4.52
[INFO] [stderr]    Compiling mdbook-exercises v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "c7ae6758b132e47677610d8c2100572e773e07bf2cae0b822491ecb8decdf4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ae6758b132e47677610d8c2100572e773e07bf2cae0b822491ecb8decdf4db", kill_on_drop: false }`
[INFO] [stdout] c7ae6758b132e47677610d8c2100572e773e07bf2cae0b822491ecb8decdf4db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ceb5285c1d324f29ebef67cee466e1f7eaa0dd1ed60b10efb28981555279c21
[INFO] running `Command { std: "docker" "start" "-a" "0ceb5285c1d324f29ebef67cee466e1f7eaa0dd1ed60b10efb28981555279c21", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling mdbook-exercises v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "0ceb5285c1d324f29ebef67cee466e1f7eaa0dd1ed60b10efb28981555279c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ceb5285c1d324f29ebef67cee466e1f7eaa0dd1ed60b10efb28981555279c21", kill_on_drop: false }`
[INFO] [stdout] 0ceb5285c1d324f29ebef67cee466e1f7eaa0dd1ed60b10efb28981555279c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5be99653d7e9e8a0a8e81076cdbf4395508be11b4c404327c7989fe8d4a85821
[INFO] running `Command { std: "docker" "start" "-a" "5be99653d7e9e8a0a8e81076cdbf4395508be11b4c404327c7989fe8d4a85821", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdbook_exercises-3cb5f69b2ff93d72)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parser::tests::test_parse_simple_code_exercise ... ok
[INFO] [stdout] test preprocessor::tests::test_process_chapter_no_exercises ... ok
[INFO] [stdout] test parser::tests::test_parse_usecase_exercise ... ok
[INFO] [stdout] test render::tests::test_render_simple_code_exercise ... ok
[INFO] [stdout] test render::tests::test_render_usecase_exercise ... ok
[INFO] [stdout] test preprocessor::tests::test_process_chapter_with_exercise ... ok
[INFO] [stdout] test preprocessor::tests::test_process_chapter_with_usecase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 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/mdbook_exercises-96fff8e2d114734a)
[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 tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-a69b9ae841eeaaa9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_code_blocks_in_description ... ok
[INFO] [stdout] test test_local_test_mode ... ok
[INFO] [stdout] test test_exercise_without_starter ... ok
[INFO] [stdout] test test_difficulty_levels ... ok
[INFO] [stdout] test test_full_exercise_flow ... ok
[INFO] [stdout] test test_render_config ... ok
[INFO] [stdout] test test_multiple_hints ... ok
[INFO] [stdout] test test_solution_reveal_policy_overrides_config ... ok
[INFO] [stdout] test test_time_parsing ... ok
[INFO] [stdout] test test_minimal_exercise ... ok
[INFO] [stdout] test test_exercise_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdbook_exercises
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5be99653d7e9e8a0a8e81076cdbf4395508be11b4c404327c7989fe8d4a85821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be99653d7e9e8a0a8e81076cdbf4395508be11b4c404327c7989fe8d4a85821", kill_on_drop: false }`
[INFO] [stdout] 5be99653d7e9e8a0a8e81076cdbf4395508be11b4c404327c7989fe8d4a85821