[INFO] cloning repository https://github.com/chrisjsewell/markdown-it-pyrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisjsewell/markdown-it-pyrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisjsewell%2Fmarkdown-it-pyrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisjsewell%2Fmarkdown-it-pyrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bc4b42c5ca87db7134ac9358a9a8eb9b84a11e1
[INFO] checking chrisjsewell/markdown-it-pyrs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisjsewell%2Fmarkdown-it-pyrs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisjsewell/markdown-it-pyrs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisjsewell/markdown-it-pyrs
[INFO] finished tweaking git repo https://github.com/chrisjsewell/markdown-it-pyrs
[INFO] tweaked toml for git repo https://github.com/chrisjsewell/markdown-it-pyrs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisjsewell/markdown-it-pyrs 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded markdown-it-tasklist v0.2.0
[INFO] [stderr]   Downloaded unicode-general-category v0.6.0
[INFO] [stderr]   Downloaded markdown-it-front-matter v0.3.0
[INFO] [stderr]   Downloaded markdown-it-heading-anchors v0.3.0
[INFO] [stderr]   Downloaded mdurl v0.3.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded markdown-it-deflist v0.3.0
[INFO] [stderr]   Downloaded markdown-it-footnote v0.2.0
[INFO] [stderr]   Downloaded markdown-it-autolink v0.2.0
[INFO] [stderr]   Downloaded markdown-it-gfm v0.1.0
[INFO] [stderr]   Downloaded markdown-it v0.6.0
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] [stderr]   Downloaded github-slugger v0.1.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] [stderr]   Downloaded linkify v0.10.0
[INFO] [stderr]   Downloaded readonly v0.2.11
[INFO] [stderr]   Downloaded gfm-autolinks v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51eb6b3c300aea70e7f17bbe3252571e345443ed4582c67e8ade3ba20e9dfe97
[INFO] running `Command { std: "docker" "start" "-a" "51eb6b3c300aea70e7f17bbe3252571e345443ed4582c67e8ade3ba20e9dfe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51eb6b3c300aea70e7f17bbe3252571e345443ed4582c67e8ade3ba20e9dfe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51eb6b3c300aea70e7f17bbe3252571e345443ed4582c67e8ade3ba20e9dfe97", kill_on_drop: false }`
[INFO] [stdout] 51eb6b3c300aea70e7f17bbe3252571e345443ed4582c67e8ade3ba20e9dfe97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c844db7c328d97b5f6ecffc963a66e5da5fb6b266ffa820a96e35aec437f79f
[INFO] running `Command { std: "docker" "start" "-a" "6c844db7c328d97b5f6ecffc963a66e5da5fb6b266ffa820a96e35aec437f79f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking linkify v0.10.0
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.31
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking memoffset v0.9.0
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking gfm-autolinks v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking const_format v0.2.31
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling readonly v0.2.11
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking mdurl v0.3.1
[INFO] [stderr]     Checking github-slugger v0.1.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking markdown-it v0.6.0
[INFO] [stderr]     Checking markdown-it-autolink v0.2.0
[INFO] [stderr]     Checking markdown-it-tasklist v0.2.0
[INFO] [stderr]     Checking markdown-it-heading-anchors v0.3.0
[INFO] [stderr]     Checking markdown-it-deflist v0.3.0
[INFO] [stderr]     Checking markdown-it-footnote v0.2.0
[INFO] [stderr]     Checking markdown-it-front-matter v0.3.0
[INFO] [stderr]     Checking markdown-it-gfm v0.1.0
[INFO] [stderr]     Checking markdown_it_pyrs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "6c844db7c328d97b5f6ecffc963a66e5da5fb6b266ffa820a96e35aec437f79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c844db7c328d97b5f6ecffc963a66e5da5fb6b266ffa820a96e35aec437f79f", kill_on_drop: false }`
[INFO] [stdout] 6c844db7c328d97b5f6ecffc963a66e5da5fb6b266ffa820a96e35aec437f79f