[INFO] fetching crate mdbook-chapter-number 0.1.2...
[INFO] checking mdbook-chapter-number-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mdbook-chapter-number 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mdbook-chapter-number 0.1.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-chapter-number 0.1.2
[INFO] finished tweaking crates.io crate mdbook-chapter-number 0.1.2
[INFO] tweaked toml for crates.io crate mdbook-chapter-number 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-chapter-number 0.1.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded topological-sort v0.1.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v10.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded cpufeatures v0.2.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.35
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.2
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded iana-time-zone v0.1.48
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded clap v3.2.21
[INFO] [stderr]   Downloaded pest v2.3.1
[INFO] [stderr]   Downloaded handlebars v4.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded mdbook v0.4.21
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded clap_complete v3.2.5
[INFO] [stderr]   Downloaded once_cell v1.14.0
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr]   Downloaded sha1 v0.10.4
[INFO] [stderr]   Downloaded pest_meta v2.3.1
[INFO] [stderr]   Downloaded pest_generator v2.3.1
[INFO] [stderr]   Downloaded pest_derive v2.3.1
[INFO] [stderr]   Downloaded thiserror v1.0.35
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660245a43b0344147224fdbe8243e0f95e1201c56acd38b840751419d841ef2b
[INFO] running `Command { std: "docker" "start" "-a" "660245a43b0344147224fdbe8243e0f95e1201c56acd38b840751419d841ef2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660245a43b0344147224fdbe8243e0f95e1201c56acd38b840751419d841ef2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660245a43b0344147224fdbe8243e0f95e1201c56acd38b840751419d841ef2b", kill_on_drop: false }`
[INFO] [stdout] 660245a43b0344147224fdbe8243e0f95e1201c56acd38b840751419d841ef2b
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7946c9145889dad2b294913b457b5d8f11526f8038be24d935f1d3f1a2fbad
[INFO] running `Command { std: "docker" "start" "-a" "db7946c9145889dad2b294913b457b5d8f11526f8038be24d935f1d3f1a2fbad", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking iana-time-zone v0.1.48
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking topological-sort v0.1.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v10.0.4
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking clap_complete v3.2.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling pest v2.3.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling pest_meta v2.3.1
[INFO] [stderr]    Compiling pest_generator v2.3.1
[INFO] [stderr]    Compiling pest_derive v2.3.1
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking serde_json v1.0.85
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking handlebars v4.3.4
[INFO] [stderr]     Checking mdbook v0.4.21
[INFO] [stderr]     Checking mdbook-chapter-number v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.35s
[INFO] running `Command { std: "docker" "inspect" "db7946c9145889dad2b294913b457b5d8f11526f8038be24d935f1d3f1a2fbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7946c9145889dad2b294913b457b5d8f11526f8038be24d935f1d3f1a2fbad", kill_on_drop: false }`
[INFO] [stdout] db7946c9145889dad2b294913b457b5d8f11526f8038be24d935f1d3f1a2fbad
[INFO] checking mdbook-chapter-number-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate mdbook-chapter-number 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mdbook-chapter-number 0.1.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-chapter-number 0.1.2
[INFO] finished tweaking crates.io crate mdbook-chapter-number 0.1.2
[INFO] tweaked toml for crates.io crate mdbook-chapter-number 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-chapter-number 0.1.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da72e593783e2eaf8ef582ef5cbcc148483b298941ca7f856a6205fc6c60b148
[INFO] running `Command { std: "docker" "start" "-a" "da72e593783e2eaf8ef582ef5cbcc148483b298941ca7f856a6205fc6c60b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da72e593783e2eaf8ef582ef5cbcc148483b298941ca7f856a6205fc6c60b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da72e593783e2eaf8ef582ef5cbcc148483b298941ca7f856a6205fc6c60b148", kill_on_drop: false }`
[INFO] [stdout] da72e593783e2eaf8ef582ef5cbcc148483b298941ca7f856a6205fc6c60b148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0048140c7914bd4c6f944b2602be51696fa95f4782d4fe05392c242d499e6528
[INFO] running `Command { std: "docker" "start" "-a" "0048140c7914bd4c6f944b2602be51696fa95f4782d4fe05392c242d499e6528", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking iana-time-zone v0.1.48
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking topological-sort v0.1.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v10.0.4
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking clap_complete v3.2.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling pest v2.3.1
[INFO] [stderr]    Compiling pest_meta v2.3.1
[INFO] [stderr]    Compiling pest_generator v2.3.1
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]    Compiling pest_derive v2.3.1
[INFO] [stderr]     Checking serde_json v1.0.85
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking handlebars v4.3.4
[INFO] [stderr]     Checking mdbook v0.4.21
[INFO] [stderr]     Checking mdbook-chapter-number v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.91s
[INFO] running `Command { std: "docker" "inspect" "0048140c7914bd4c6f944b2602be51696fa95f4782d4fe05392c242d499e6528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0048140c7914bd4c6f944b2602be51696fa95f4782d4fe05392c242d499e6528", kill_on_drop: false }`
[INFO] [stdout] 0048140c7914bd4c6f944b2602be51696fa95f4782d4fe05392c242d499e6528