[INFO] fetching crate cargo-examples 0.6.0...
[INFO] checking cargo-examples-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-examples 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cargo-examples 0.6.0
[INFO] finished tweaking crates.io crate cargo-examples 0.6.0
[INFO] tweaked toml for crates.io crate cargo-examples 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-examples 0.6.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-examples 0.6.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e70e1a2e60d09a69294a2e8b1d75da326f9599166620295b450e173e5b4efe0
[INFO] running `Command { std: "docker" "start" "-a" "7e70e1a2e60d09a69294a2e8b1d75da326f9599166620295b450e173e5b4efe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e70e1a2e60d09a69294a2e8b1d75da326f9599166620295b450e173e5b4efe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e70e1a2e60d09a69294a2e8b1d75da326f9599166620295b450e173e5b4efe0", kill_on_drop: false }`
[INFO] [stdout] 7e70e1a2e60d09a69294a2e8b1d75da326f9599166620295b450e173e5b4efe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b24e6024c8d19a9ca9eddbd3e629eda12749f6b9d0d1712f5157d606200e96f
[INFO] running `Command { std: "docker" "start" "-a" "3b24e6024c8d19a9ca9eddbd3e629eda12749f6b9d0d1712f5157d606200e96f", kill_on_drop: false }`
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking winnow v0.7.4
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling xshell-macros v0.2.7
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking xshell v0.2.7
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking cargo_toml v0.22.1
[INFO] [stderr]     Checking cargo-examples v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |         .unwrap_or(PathBuf::from_str("Cargo.toml").unwrap());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-examples` (bin "cargo-examples" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |         .unwrap_or(PathBuf::from_str("Cargo.toml").unwrap());
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-examples` (bin "cargo-examples") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3b24e6024c8d19a9ca9eddbd3e629eda12749f6b9d0d1712f5157d606200e96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b24e6024c8d19a9ca9eddbd3e629eda12749f6b9d0d1712f5157d606200e96f", kill_on_drop: false }`
[INFO] [stdout] 3b24e6024c8d19a9ca9eddbd3e629eda12749f6b9d0d1712f5157d606200e96f