[INFO] fetching crate mdbook-keeper 0.5.0...
[INFO] checking mdbook-keeper-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mdbook-keeper 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mdbook-keeper 0.5.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-keeper 0.5.0
[INFO] finished tweaking crates.io crate mdbook-keeper 0.5.0
[INFO] tweaked toml for crates.io crate mdbook-keeper 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-keeper 0.5.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87096a4d42199508a56f890cca706330d803f2c094a5fd4d8203a7fde61e144
[INFO] running `Command { std: "docker" "start" "-a" "e87096a4d42199508a56f890cca706330d803f2c094a5fd4d8203a7fde61e144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87096a4d42199508a56f890cca706330d803f2c094a5fd4d8203a7fde61e144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87096a4d42199508a56f890cca706330d803f2c094a5fd4d8203a7fde61e144", kill_on_drop: false }`
[INFO] [stdout] e87096a4d42199508a56f890cca706330d803f2c094a5fd4d8203a7fde61e144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f1f2dbb78905e057912b4b386f1c60eff0f57f6f61e874eb5c0478d10f608c
[INFO] running `Command { std: "docker" "start" "-a" "86f1f2dbb78905e057912b4b386f1c60eff0f57f6f61e874eb5c0478d10f608c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking pin-project-lite v0.2.12
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[INFO] [stderr]    Compiling markup5ever v0.11.0
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
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[INFO] [stderr]    Compiling futures-channel v0.3.28
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[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling cc v1.0.82
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[INFO] [stderr]     Checking try-lock v0.2.4
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[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking gimli v0.27.3
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[INFO] [stderr]     Checking bstr v1.6.0
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[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking globset v0.4.13
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[INFO] [stderr]    Compiling pest v2.7.2
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling current_platform v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.7.2
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking chrono v0.4.26
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[INFO] [stderr]     Checking elasticlunr-rs v3.0.2
[INFO] [stderr]    Compiling pest_generator v2.7.2
[INFO] [stderr]     Checking semver v1.0.18
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking cargo-platform v0.1.3
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[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]    Compiling pest_derive v2.7.2
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking handlebars v4.3.7
[INFO] [stderr]     Checking base64-url v1.4.13
[INFO] [stderr]     Checking sha2 v0.10.7
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[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking ammonia v3.3.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking mdbook v0.4.34
[INFO] [stderr]     Checking mdbook-keeper v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "86f1f2dbb78905e057912b4b386f1c60eff0f57f6f61e874eb5c0478d10f608c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f1f2dbb78905e057912b4b386f1c60eff0f57f6f61e874eb5c0478d10f608c", kill_on_drop: false }`
[INFO] [stdout] 86f1f2dbb78905e057912b4b386f1c60eff0f57f6f61e874eb5c0478d10f608c