[INFO] fetching crate ip-check 0.1.5...
[INFO] checking ip-check-0.1.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ip-check 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ip-check 0.1.5
[INFO] finished tweaking crates.io crate ip-check 0.1.5
[INFO] tweaked toml for crates.io crate ip-check 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ip-check 0.1.5 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 ip-check 0.1.5 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5351121ecdb7c11c49a2fd14e70d666ac8f92f19e90327b7d46102386f679575
[INFO] running `Command { std: "docker" "start" "-a" "5351121ecdb7c11c49a2fd14e70d666ac8f92f19e90327b7d46102386f679575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5351121ecdb7c11c49a2fd14e70d666ac8f92f19e90327b7d46102386f679575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5351121ecdb7c11c49a2fd14e70d666ac8f92f19e90327b7d46102386f679575", kill_on_drop: false }`
[INFO] [stdout] 5351121ecdb7c11c49a2fd14e70d666ac8f92f19e90327b7d46102386f679575
[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 -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] 6d3b52cb92f78d77ac09ed2611381040bcf4fd0e717095c54bdfe86eb8818e0a
[INFO] running `Command { std: "docker" "start" "-a" "6d3b52cb92f78d77ac09ed2611381040bcf4fd0e717095c54bdfe86eb8818e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking ip-check v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/main.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let file_path = PathBuf::from_str("locationv4.csv").expect("Path not correct");
[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 `ip-check` (bin "ip-check") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ip-check` (bin "ip-check" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> src/main.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let file_path = PathBuf::from_str("locationv4.csv").expect("Path not correct");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d3b52cb92f78d77ac09ed2611381040bcf4fd0e717095c54bdfe86eb8818e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3b52cb92f78d77ac09ed2611381040bcf4fd0e717095c54bdfe86eb8818e0a", kill_on_drop: false }`
[INFO] [stdout] 6d3b52cb92f78d77ac09ed2611381040bcf4fd0e717095c54bdfe86eb8818e0a