[INFO] fetching crate better-path 0.0.1...
[INFO] checking better-path-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate better-path 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate better-path 0.0.1
[INFO] finished tweaking crates.io crate better-path 0.0.1
[INFO] tweaked toml for crates.io crate better-path 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate better-path 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a141cd22c0a07c2d7eaf80cbb74cbb13308a605a388de396cde36b24c6b1c5fc
[INFO] running `Command { std: "docker" "start" "-a" "a141cd22c0a07c2d7eaf80cbb74cbb13308a605a388de396cde36b24c6b1c5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a141cd22c0a07c2d7eaf80cbb74cbb13308a605a388de396cde36b24c6b1c5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a141cd22c0a07c2d7eaf80cbb74cbb13308a605a388de396cde36b24c6b1c5fc", kill_on_drop: false }`
[INFO] [stdout] a141cd22c0a07c2d7eaf80cbb74cbb13308a605a388de396cde36b24c6b1c5fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1c4473f2ebe4dce6c47e1036a72b87d398ce8440161ca015cf94e7ceed854cb2
[INFO] running `Command { std: "docker" "start" "-a" "1c4473f2ebe4dce6c47e1036a72b87d398ce8440161ca015cf94e7ceed854cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking better-path v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<&Path, Impossible>
[INFO] [stdout]   --> src/lib.rs:82:53
[INFO] [stdout]    |
[INFO] [stdout] 82 |           ) -> Result<&super::Path<Self>, Impossible> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 83 | |             Ok(super::Path::wrap(std::path::Path::new(string)))
[INFO] [stdout] 84 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&Path, Impossible>
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Ok(super::Path::wrap(std::path::Path::new(string)))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `better-path` (lib test) due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<&Path, Impossible>
[INFO] [stdout]  --> src/tests.rs:3:46
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let base: &crate::Path<crate::Unknown> = crate::Path::new("/home").unwrap();
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<&Path, Impossible>
[INFO] [stdout]  --> src/tests.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let argument: &crate::Path<crate::Unknown> = crate::Path::new("jakub").unwrap();
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&Path, Impossible>
[INFO] [stdout]   --> src/lib.rs:82:53
[INFO] [stdout]    |
[INFO] [stdout] 82 |           ) -> Result<&super::Path<Self>, Impossible> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 83 | |             Ok(super::Path::wrap(std::path::Path::new(string)))
[INFO] [stdout] 84 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&Path, Impossible>
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Ok(super::Path::wrap(std::path::Path::new(string)))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `better-path` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1c4473f2ebe4dce6c47e1036a72b87d398ce8440161ca015cf94e7ceed854cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4473f2ebe4dce6c47e1036a72b87d398ce8440161ca015cf94e7ceed854cb2", kill_on_drop: false }`
[INFO] [stdout] 1c4473f2ebe4dce6c47e1036a72b87d398ce8440161ca015cf94e7ceed854cb2