[INFO] fetching crate wordcut-engine 1.1.7...
[INFO] checking wordcut-engine-1.1.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate wordcut-engine 1.1.7 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate wordcut-engine 1.1.7 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 wordcut-engine 1.1.7
[INFO] finished tweaking crates.io crate wordcut-engine 1.1.7
[INFO] tweaked toml for crates.io crate wordcut-engine 1.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded prefixtree v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b553817a18a7064584cb834e241193745d45fc1f0c71d3016b7f5dcab4f290c
[INFO] running `Command { std: "docker" "start" "-a" "7b553817a18a7064584cb834e241193745d45fc1f0c71d3016b7f5dcab4f290c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b553817a18a7064584cb834e241193745d45fc1f0c71d3016b7f5dcab4f290c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b553817a18a7064584cb834e241193745d45fc1f0c71d3016b7f5dcab4f290c", kill_on_drop: false }`
[INFO] [stdout] 7b553817a18a7064584cb834e241193745d45fc1f0c71d3016b7f5dcab4f290c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 255b0616d97a012011525c1dc7cd7489cda2926bf4460480b01b6ea5a04c2510
[INFO] running `Command { std: "docker" "start" "-a" "255b0616d97a012011525c1dc7cd7489cda2926bf4460480b01b6ea5a04c2510", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking prefixtree v0.1.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wordcut-engine v1.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/replacer.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use super::*;
[INFO] [stdout]    |         -------- the item `Path` is already imported here
[INFO] [stdout] 80 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DagEdge` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:778:9
[INFO] [stdout]     |
[INFO] [stdout] 776 |     use super::*;
[INFO] [stdout]     |         -------- the item `DagEdge` is already imported here
[INFO] [stdout] 777 |
[INFO] [stdout] 778 |     use DagEdge;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EdgeType` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:779:9
[INFO] [stdout]     |
[INFO] [stdout] 776 |     use super::*;
[INFO] [stdout]     |         -------- the item `EdgeType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 779 |     use EdgeType;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TextRange` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:780:9
[INFO] [stdout]     |
[INFO] [stdout] 776 |     use super::*;
[INFO] [stdout]     |         -------- the item `TextRange` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 780 |     use TextRange;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Wordcut` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:781:9
[INFO] [stdout]     |
[INFO] [stdout] 776 |     use super::*;
[INFO] [stdout]     |         -------- the item `Wordcut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 781 |     use Wordcut;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "255b0616d97a012011525c1dc7cd7489cda2926bf4460480b01b6ea5a04c2510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255b0616d97a012011525c1dc7cd7489cda2926bf4460480b01b6ea5a04c2510", kill_on_drop: false }`
[INFO] [stdout] 255b0616d97a012011525c1dc7cd7489cda2926bf4460480b01b6ea5a04c2510