[INFO] fetching crate mdbook-rust 0.1.2...
[INFO] checking mdbook-rust-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mdbook-rust 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mdbook-rust 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-rust 0.1.2
[INFO] finished tweaking crates.io crate mdbook-rust 0.1.2
[INFO] tweaked toml for crates.io crate mdbook-rust 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.187
[INFO] [stderr]   Downloaded smol_str v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.89
[INFO] [stderr]   Downloaded kqueue-sys v1.0.4
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.89
[INFO] [stderr]   Downloaded ammonia v3.3.0
[INFO] [stderr]   Downloaded ra_ap_syntax v0.0.187
[INFO] [stderr]   Downloaded js-sys v0.3.66
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.89
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.89
[INFO] [stderr]   Downloaded elasticlunr-rs v3.0.2
[INFO] [stderr]   Downloaded pest_meta v2.7.5
[INFO] [stderr]   Downloaded pest_generator v2.7.5
[INFO] [stderr]   Downloaded mdbook v0.4.36
[INFO] [stderr]   Downloaded pest_derive v2.7.5
[INFO] [stderr]   Downloaded ignore v0.4.21
[INFO] [stderr]   Downloaded opener v0.6.1
[INFO] [stderr]   Downloaded warp v0.3.6
[INFO] [stderr]   Downloaded ra_ap_parser v0.0.187
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded unicode-properties v0.1.0
[INFO] [stderr]   Downloaded miow v0.5.0
[INFO] [stderr]   Downloaded ra_ap_stdx v0.0.187
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.4.1
[INFO] [stderr]   Downloaded normpath v1.1.1
[INFO] [stderr]   Downloaded topological-sort v0.2.2
[INFO] [stderr]   Downloaded cov-mark v2.0.0-pre.1
[INFO] [stderr]   Downloaded perf-event v0.4.7
[INFO] [stderr]   Downloaded ra_ap_profile v0.0.187
[INFO] [stderr]   Downloaded ra-ap-rustc_abi v0.20.0
[INFO] [stderr]   Downloaded synstructure v0.13.0
[INFO] [stderr]   Downloaded ra-ap-rustc_index v0.20.0
[INFO] [stderr]   Downloaded ra-ap-rustc_lexer v0.20.0
[INFO] [stderr]   Downloaded ra-ap-rustc_parse_format v0.20.0
[INFO] [stderr]   Downloaded ra_ap_rustc-dependencies v0.0.187
[INFO] [stderr]   Downloaded text-size v1.1.1
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded ra_ap_limit v0.0.187
[INFO] [stderr]   Downloaded la-arena v0.3.1
[INFO] [stderr]   Downloaded ra-ap-rustc_index_macros v0.20.0
[INFO] [stderr]   Downloaded always-assert v0.1.3
[INFO] [stderr]   Downloaded jod-thread v0.1.2
[INFO] [stderr]   Downloaded countme v3.0.1
[INFO] [stderr]   Downloaded rowan v0.15.13
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 277cdbd6b09d0c708037c85900c3a2c9ec8d2a393bd46afee626604243b2ce0f
[INFO] running `Command { std: "docker" "start" "-a" "277cdbd6b09d0c708037c85900c3a2c9ec8d2a393bd46afee626604243b2ce0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277cdbd6b09d0c708037c85900c3a2c9ec8d2a393bd46afee626604243b2ce0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277cdbd6b09d0c708037c85900c3a2c9ec8d2a393bd46afee626604243b2ce0f", kill_on_drop: false }`
[INFO] [stdout] 277cdbd6b09d0c708037c85900c3a2c9ec8d2a393bd46afee626604243b2ce0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ee2107fa147b427795fff3aaa073dfc12266b8bbd49fc933c2d157778c8a935e
[INFO] running `Command { std: "docker" "start" "-a" "ee2107fa147b427795fff3aaa073dfc12266b8bbd49fc933c2d157778c8a935e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-properties v0.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking ra-ap-rustc_lexer v0.20.0
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking perf-event v0.4.7
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking always-assert v0.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking ra_ap_limit v0.0.187
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking clap_builder v4.4.9
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking la-arena v0.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking ra_ap_stdx v0.0.187
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking ra_ap_profile v0.0.187
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking notify-debouncer-mini v0.4.1
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]     Checking cov-mark v2.0.0-pre.1
[INFO] [stderr]     Checking smol_str v0.2.0
[INFO] [stderr]     Checking rowan v0.15.13
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking clap v4.4.10
[INFO] [stderr]     Checking clap_complete v4.4.4
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.187
[INFO] [stderr]    Compiling synstructure v0.13.0
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.20.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking opener v0.6.1
[INFO] [stderr]     Checking ignore v0.4.21
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]     Checking ra-ap-rustc_index v0.20.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking ra-ap-rustc_parse_format v0.20.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking pest v2.7.5
[INFO] [stderr]     Checking ra-ap-rustc_abi v0.20.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking ra_ap_rustc-dependencies v0.0.187
[INFO] [stderr]     Checking ra_ap_parser v0.0.187
[INFO] [stderr]     Checking ra_ap_syntax v0.0.187
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking elasticlunr-rs v3.0.2
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking ammonia v3.3.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.6
[INFO] [stderr]     Checking mdbook v0.4.36
[INFO] [stderr]     Checking mdbook-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.02s
[INFO] running `Command { std: "docker" "inspect" "ee2107fa147b427795fff3aaa073dfc12266b8bbd49fc933c2d157778c8a935e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2107fa147b427795fff3aaa073dfc12266b8bbd49fc933c2d157778c8a935e", kill_on_drop: false }`
[INFO] [stdout] ee2107fa147b427795fff3aaa073dfc12266b8bbd49fc933c2d157778c8a935e