[INFO] fetching crate finr 0.2.3...
[INFO] checking finr-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate finr 0.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate finr 0.2.3 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 finr 0.2.3
[INFO] finished tweaking crates.io crate finr 0.2.3
[INFO] tweaked toml for crates.io crate finr 0.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate finr 0.2.3 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 assert_fs v1.0.13
[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] 0768568a23bdb87c5d2de5a7f57b85e8b0ea223297864e7423aa8cef6f7d82a3
[INFO] running `Command { std: "docker" "start" "-a" "0768568a23bdb87c5d2de5a7f57b85e8b0ea223297864e7423aa8cef6f7d82a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0768568a23bdb87c5d2de5a7f57b85e8b0ea223297864e7423aa8cef6f7d82a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0768568a23bdb87c5d2de5a7f57b85e8b0ea223297864e7423aa8cef6f7d82a3", kill_on_drop: false }`
[INFO] [stdout] 0768568a23bdb87c5d2de5a7f57b85e8b0ea223297864e7423aa8cef6f7d82a3
[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] 667340b784aedd5db9b9018ba34794dca53b409a7a458a463c8f5291d680a9cd
[INFO] running `Command { std: "docker" "start" "-a" "667340b784aedd5db9b9018ba34794dca53b409a7a458a463c8f5291d680a9cd", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anyhow v1.0.71
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking finr v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stdout] warning: the item `assert_fs` is imported redundantly
[INFO] [stdout]  --> tests/cli.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self,
[INFO] [stdout]   |     ^^^^ the item `assert_fs` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "667340b784aedd5db9b9018ba34794dca53b409a7a458a463c8f5291d680a9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667340b784aedd5db9b9018ba34794dca53b409a7a458a463c8f5291d680a9cd", kill_on_drop: false }`
[INFO] [stdout] 667340b784aedd5db9b9018ba34794dca53b409a7a458a463c8f5291d680a9cd