[INFO] fetching crate gsd-parser 0.6.0...
[INFO] checking gsd-parser-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate gsd-parser 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gsd-parser 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gsd-parser 0.6.0
[INFO] tweaked toml for crates.io crate gsd-parser 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gsd-parser 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 gsd-parser 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 97c2c692abde954be19ce24c615b76b807f96d956a476921d775192f5439f3d3
[INFO] running `Command { std: "docker" "start" "-a" "97c2c692abde954be19ce24c615b76b807f96d956a476921d775192f5439f3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c2c692abde954be19ce24c615b76b807f96d956a476921d775192f5439f3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c2c692abde954be19ce24c615b76b807f96d956a476921d775192f5439f3d3", kill_on_drop: false }`
[INFO] [stdout] 97c2c692abde954be19ce24c615b76b807f96d956a476921d775192f5439f3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4c571bf1f61b44b12ae8c323a02a6acfd6959fdd28ecc09ceb7753ae47701007
[INFO] running `Command { std: "docker" "start" "-a" "4c571bf1f61b44b12ae8c323a02a6acfd6959fdd28ecc09ceb7753ae47701007", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking console v0.15.10
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking insta v1.42.0
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]     Checking gsd-parser v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]  --> tests/regress.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[rstest::rstest]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `rstest::rstest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::path::PathBuf, Infallible>
[INFO] [stdout]   --> tests/regress.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[rstest::rstest]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `rstest::rstest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gsd-parser` (test "regress") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c571bf1f61b44b12ae8c323a02a6acfd6959fdd28ecc09ceb7753ae47701007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c571bf1f61b44b12ae8c323a02a6acfd6959fdd28ecc09ceb7753ae47701007", kill_on_drop: false }`
[INFO] [stdout] 4c571bf1f61b44b12ae8c323a02a6acfd6959fdd28ecc09ceb7753ae47701007