[INFO] cloning repository https://github.com/perkee/mergiraf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perkee/mergiraf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperkee%2Fmergiraf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperkee%2Fmergiraf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dced8a74ab5180dd9e0463240903fde92aa54e0
[INFO] checking perkee/mergiraf against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperkee%2Fmergiraf" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/perkee/mergiraf
[INFO] finished tweaking git repo https://github.com/perkee/mergiraf
[INFO] tweaked toml for git repo https://github.com/perkee/mergiraf written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/perkee/mergiraf 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 git repo https://github.com/perkee/mergiraf 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 430f4da78aed27fe13fff79e230083d96a7a56cd3556f6359e203b2c12a4bcba
[INFO] running `Command { std: "docker" "start" "-a" "430f4da78aed27fe13fff79e230083d96a7a56cd3556f6359e203b2c12a4bcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430f4da78aed27fe13fff79e230083d96a7a56cd3556f6359e203b2c12a4bcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430f4da78aed27fe13fff79e230083d96a7a56cd3556f6359e203b2c12a4bcba", kill_on_drop: false }`
[INFO] [stdout] 430f4da78aed27fe13fff79e230083d96a7a56cd3556f6359e203b2c12a4bcba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 170f19a57cf3f58b68c57bf28c6a91d62195e5f328a7103d29a3170b384f90f8
[INFO] running `Command { std: "docker" "start" "-a" "170f19a57cf3f58b68c57bf28c6a91d62195e5f328a7103d29a3170b384f90f8", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `PathBufExt`
[INFO] [stdout]  --> tests/timeout_support.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use mergiraf::{PathBufExt, line_merge_and_structured_resolution};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> tests/timeout_support.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[expect(unstable_name_collisions)]
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBufExt`
[INFO] [stdout]  --> tests/failing.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mergiraf::{PathBufExt, line_merge_and_structured_resolution};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> tests/failing.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[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` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> tests/failing.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[expect(unstable_name_collisions)]
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mergiraf` (test "failing") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]    --> src/bin/mergiraf.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |             #[expect(unstable_name_collisions)]
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]    --> src/bin/mergiraf.rs:189:22
[INFO] [stdout]     |
[INFO] [stdout] 189 |             #[expect(unstable_name_collisions)]
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]    --> src/bin/mergiraf.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |             #[expect(unstable_name_collisions)]
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]    --> src/bin/mergiraf.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 |             #[expect(unstable_name_collisions)]
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]    --> src/bin/mergiraf.rs:197:22
[INFO] [stdout]     |
[INFO] [stdout] 197 |             #[expect(unstable_name_collisions)]
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBufExt`
[INFO] [stdout]  --> tests/working.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mergiraf::{PathBufExt, line_merge_and_structured_resolution};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> tests/working.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[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` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lint expectation is unfulfilled
[INFO] [stdout]   --> tests/working.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |     #[expect(unstable_name_collisions)]
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unfulfilled_lint_expectations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mergiraf` (test "working") due to 1 previous error; 2 warnings emitted
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/merged_text.rs:416:25
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn merged(contents: &str) -> MergeSection {
[INFO] [stdout]     |                         ^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn merged(contents: &str) -> MergeSection<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "170f19a57cf3f58b68c57bf28c6a91d62195e5f328a7103d29a3170b384f90f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170f19a57cf3f58b68c57bf28c6a91d62195e5f328a7103d29a3170b384f90f8", kill_on_drop: false }`
[INFO] [stdout] 170f19a57cf3f58b68c57bf28c6a91d62195e5f328a7103d29a3170b384f90f8
