[INFO] cloning repository https://github.com/frectonz/parenv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frectonz/parenv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrectonz%2Fparenv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrectonz%2Fparenv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e9111bd1a7ed88e61cd077f87f520f9726c73d6
[INFO] checking frectonz/parenv 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%2Ffrectonz%2Fparenv" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/frectonz/parenv
[INFO] finished tweaking git repo https://github.com/frectonz/parenv
[INFO] tweaked toml for git repo https://github.com/frectonz/parenv written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/frectonz/parenv 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/frectonz/parenv 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] 731d86d92bc1c9e485e80cc9b4b0a6ec696c0cdc07cc84a5f9bfea1d3987d7aa
[INFO] running `Command { std: "docker" "start" "-a" "731d86d92bc1c9e485e80cc9b4b0a6ec696c0cdc07cc84a5f9bfea1d3987d7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "731d86d92bc1c9e485e80cc9b4b0a6ec696c0cdc07cc84a5f9bfea1d3987d7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731d86d92bc1c9e485e80cc9b4b0a6ec696c0cdc07cc84a5f9bfea1d3987d7aa", kill_on_drop: false }`
[INFO] [stdout] 731d86d92bc1c9e485e80cc9b4b0a6ec696c0cdc07cc84a5f9bfea1d3987d7aa
[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] 105a95d8fd338f6a70f3b2fcbb3047eb8e3d8f589c4c468e9173dc4d3f0425c2
[INFO] running `Command { std: "docker" "start" "-a" "105a95d8fd338f6a70f3b2fcbb3047eb8e3d8f589c4c468e9173dc4d3f0425c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling rustix v0.38.40
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking supports-color v3.0.1
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.87
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking parenv-derive v0.1.9 (/opt/rustwide/workdir/parenv-derive)
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stderr]     Checking parenv v0.1.9 (/opt/rustwide/workdir/parenv)
[INFO] [stderr]     Checking parenv-test v0.1.9 (/opt/rustwide/workdir/parenv-test)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> parenv-test/src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Environment)]
[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 derive macro `Environment` (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<PathBuf, Infallible>
[INFO] [stdout]  --> parenv-test/src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Environment)]
[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 derive macro `Environment` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parenv-test` (bin "parenv-test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `parenv-test` (bin "parenv-test" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "105a95d8fd338f6a70f3b2fcbb3047eb8e3d8f589c4c468e9173dc4d3f0425c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105a95d8fd338f6a70f3b2fcbb3047eb8e3d8f589c4c468e9173dc4d3f0425c2", kill_on_drop: false }`
[INFO] [stdout] 105a95d8fd338f6a70f3b2fcbb3047eb8e3d8f589c4c468e9173dc4d3f0425c2