[INFO] cloning repository https://github.com/rust-lang-nursery/mdBook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/mdBook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2FmdBook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2FmdBook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a4ac03c0de866c4cf30d41dd0c7ea02d8429a7a
[INFO] checking rust-lang-nursery/mdBook against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2FmdBook" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/mdBook on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/mdBook
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/mdBook
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/mdBook written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/mdBook 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_codegen v0.10.0
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
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[INFO] [stderr]   Downloaded elasticlunr-rs v3.0.2
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[INFO] [stderr]   Downloaded wasm-bindgen v0.2.90
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[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.90
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[INFO] [stderr]   Downloaded clap_complete v4.4.10
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[INFO] [stderr]   Downloaded yansi v0.5.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8cb9380b90310615b31806e396fc58f9129b4327d3cb43cf352e91ca0c12e8
[INFO] running `Command { std: "docker" "start" "-a" "1c8cb9380b90310615b31806e396fc58f9129b4327d3cb43cf352e91ca0c12e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8cb9380b90310615b31806e396fc58f9129b4327d3cb43cf352e91ca0c12e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8cb9380b90310615b31806e396fc58f9129b4327d3cb43cf352e91ca0c12e8", kill_on_drop: false }`
[INFO] [stdout] 1c8cb9380b90310615b31806e396fc58f9129b4327d3cb43cf352e91ca0c12e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b588d07fd36cc87d2e39c1181ba29344addc2bbb072d958abf696e7f848ef8c
[INFO] running `Command { std: "docker" "start" "-a" "9b588d07fd36cc87d2e39c1181ba29344addc2bbb072d958abf696e7f848ef8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.11
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[INFO] [stderr]    Compiling syn v2.0.48
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking utf8parse v0.2.1
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[INFO] [stderr]    Compiling memchr v2.7.1
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[INFO] [stderr]    Compiling serde_derive v1.0.196
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[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
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[INFO] [stderr]     Checking regex v1.10.3
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[INFO] [stderr]    Compiling pest_meta v2.7.7
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[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling pest_derive v2.7.7
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[INFO] [stderr]     Checking mdbook v0.4.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.76s
[INFO] running `Command { std: "docker" "inspect" "9b588d07fd36cc87d2e39c1181ba29344addc2bbb072d958abf696e7f848ef8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b588d07fd36cc87d2e39c1181ba29344addc2bbb072d958abf696e7f848ef8c", kill_on_drop: false }`
[INFO] [stdout] 9b588d07fd36cc87d2e39c1181ba29344addc2bbb072d958abf696e7f848ef8c
