[INFO] fetching crate mdbook-quiz 0.3.3...
[INFO] testing mdbook-quiz-0.3.3 against 1.77.0 for beta-1.78-1
[INFO] extracting crate mdbook-quiz 0.3.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mdbook-quiz 0.3.3 on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-quiz 0.3.3
[INFO] finished tweaking crates.io crate mdbook-quiz 0.3.3
[INFO] tweaked toml for crates.io crate mdbook-quiz 0.3.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-quiz 0.3.3 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_datetime v0.6.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0e59812b7e4706d829f0cfb9186e218afa7c47417672cff804099aca1d4ce1
[INFO] running `Command { std: "docker" "start" "-a" "ea0e59812b7e4706d829f0cfb9186e218afa7c47417672cff804099aca1d4ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0e59812b7e4706d829f0cfb9186e218afa7c47417672cff804099aca1d4ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0e59812b7e4706d829f0cfb9186e218afa7c47417672cff804099aca1d4ce1", kill_on_drop: false }`
[INFO] [stdout] ea0e59812b7e4706d829f0cfb9186e218afa7c47417672cff804099aca1d4ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9229eeb6557d937fe29022a660cdfeff69621ef5a0ddf65acd2929c8f0e66785
[INFO] running `Command { std: "docker" "start" "-a" "9229eeb6557d937fe29022a660cdfeff69621ef5a0ddf65acd2929c8f0e66785", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mdbook v0.4.25
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[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.78s
[INFO] running `Command { std: "docker" "inspect" "9229eeb6557d937fe29022a660cdfeff69621ef5a0ddf65acd2929c8f0e66785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9229eeb6557d937fe29022a660cdfeff69621ef5a0ddf65acd2929c8f0e66785", kill_on_drop: false }`
[INFO] [stdout] 9229eeb6557d937fe29022a660cdfeff69621ef5a0ddf65acd2929c8f0e66785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4410b25733bd2034748f868e4d64cea643d247e6d647ae2c83fc6100fd10cf0e
[INFO] running `Command { std: "docker" "start" "-a" "4410b25733bd2034748f868e4d64cea643d247e6d647ae2c83fc6100fd10cf0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdbook-preprocessor-utils v0.1.5
[INFO] [stderr]    Compiling mdbook-quiz v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "4410b25733bd2034748f868e4d64cea643d247e6d647ae2c83fc6100fd10cf0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4410b25733bd2034748f868e4d64cea643d247e6d647ae2c83fc6100fd10cf0e", kill_on_drop: false }`
[INFO] [stdout] 4410b25733bd2034748f868e4d64cea643d247e6d647ae2c83fc6100fd10cf0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7aec878f054d7e99b9197145f261933c6183fe259589d131c6a29e7955cf5ba1
[INFO] running `Command { std: "docker" "start" "-a" "7aec878f054d7e99b9197145f261933c6183fe259589d131c6a29e7955cf5ba1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mdbook_quiz-e1eacec1f289d62e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_quiz_generator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7aec878f054d7e99b9197145f261933c6183fe259589d131c6a29e7955cf5ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aec878f054d7e99b9197145f261933c6183fe259589d131c6a29e7955cf5ba1", kill_on_drop: false }`
[INFO] [stdout] 7aec878f054d7e99b9197145f261933c6183fe259589d131c6a29e7955cf5ba1