[INFO] fetching crate mdbook_rash 1.10.0...
[INFO] checking mdbook_rash-1.10.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mdbook_rash 1.10.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mdbook_rash 1.10.0 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 crates.io crate mdbook_rash 1.10.0
[INFO] finished tweaking crates.io crate mdbook_rash 1.10.0
[INFO] tweaked toml for crates.io crate mdbook_rash 1.10.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook_rash 1.10.0 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 serde_yaml v0.9.25
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.9
[INFO] [stderr]   Downloaded pest_generator v2.7.3
[INFO] [stderr]   Downloaded pest_derive v2.7.3
[INFO] [stderr]   Downloaded dyn-clone v1.0.13
[INFO] [stderr]   Downloaded darling_macro v0.20.3
[INFO] [stderr]   Downloaded deranged v0.3.8
[INFO] [stderr]   Downloaded time-macros v0.2.14
[INFO] [stderr]   Downloaded normpath v1.1.1
[INFO] [stderr]   Downloaded clap_complete v4.4.0
[INFO] [stderr]   Downloaded opener v0.6.1
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded handlebars v4.4.0
[INFO] [stderr]   Downloaded base64 v0.21.3
[INFO] [stderr]   Downloaded rustix v0.37.23
[INFO] [stderr]   Downloaded rustix v0.38.11
[INFO] [stderr]   Downloaded ipc-channel v0.17.0
[INFO] [stderr]   Downloaded chrono v0.4.28
[INFO] [stderr]   Downloaded serde_with v3.3.0
[INFO] [stderr]   Downloaded darling_core v0.20.3
[INFO] [stderr]   Downloaded time v0.3.28
[INFO] [stderr]   Downloaded mdbook v0.4.34
[INFO] [stderr]   Downloaded pest v2.7.3
[INFO] [stderr]   Downloaded rash_derive v1.10.0
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded byte-unit v4.0.19
[INFO] [stderr]   Downloaded darling v0.20.3
[INFO] [stderr]   Downloaded serde_with_macros v3.3.0
[INFO] [stderr]   Downloaded sha2 v0.10.7
[INFO] [stderr]   Downloaded pest_meta v2.7.3
[INFO] [stderr]   Downloaded rash_core v1.10.0
[INFO] [stderr]   Downloaded schemars v0.8.13
[INFO] [stderr]   Downloaded schemars_derive v0.8.13
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d407c6b340fdef4db3c660bd40e2a81bedbd30ff633cf473a443648544abc0eb
[INFO] running `Command { std: "docker" "start" "-a" "d407c6b340fdef4db3c660bd40e2a81bedbd30ff633cf473a443648544abc0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d407c6b340fdef4db3c660bd40e2a81bedbd30ff633cf473a443648544abc0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d407c6b340fdef4db3c660bd40e2a81bedbd30ff633cf473a443648544abc0eb", kill_on_drop: false }`
[INFO] [stdout] d407c6b340fdef4db3c660bd40e2a81bedbd30ff633cf473a443648544abc0eb
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51b6732b48677350c71cce054a3dfd648d468166acb8fb971ae66391d18e13e6
[INFO] running `Command { std: "docker" "start" "-a" "51b6732b48677350c71cce054a3dfd648d468166acb8fb971ae66391d18e13e6", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling schemars v0.8.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dyn-clone v1.0.13
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking pulldown-cmark v0.9.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking console v0.15.7
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[INFO] [stderr]     Checking term_size v1.0.0-beta1
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[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking encode_unicode v1.0.0
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[INFO] [stderr]     Checking is-terminal v0.4.9
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[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]    Compiling schemars_derive v0.8.13
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking globset v0.4.13
[INFO] [stderr]     Checking opener v0.6.1
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling pest v2.7.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.3.0
[INFO] [stderr]     Checking clap v4.4.2
[INFO] [stderr]     Checking clap_complete v4.4.0
[INFO] [stderr]    Compiling pest_meta v2.7.3
[INFO] [stderr]    Compiling pest_generator v2.7.3
[INFO] [stderr]    Compiling pest_derive v2.7.3
[INFO] [stderr]     Checking serde_json v1.0.105
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde-error v0.1.2
[INFO] [stderr]     Checking serde_with v3.3.0
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking byte-unit v4.0.19
[INFO] [stderr]     Checking ipc-channel v0.17.0
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking handlebars v4.4.0
[INFO] [stderr]     Checking tera v1.19.1
[INFO] [stderr]     Checking mdbook v0.4.34
[INFO] [stderr]    Compiling rash_derive v1.10.0
[INFO] [stderr]     Checking rash_core v1.10.0
[INFO] [stderr]     Checking mdbook_rash v1.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.96s
[INFO] running `Command { std: "docker" "inspect" "51b6732b48677350c71cce054a3dfd648d468166acb8fb971ae66391d18e13e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b6732b48677350c71cce054a3dfd648d468166acb8fb971ae66391d18e13e6", kill_on_drop: false }`
[INFO] [stdout] 51b6732b48677350c71cce054a3dfd648d468166acb8fb971ae66391d18e13e6