[INFO] fetching crate migrate_rustdoc_json 0.3.0...
[INFO] checking migrate_rustdoc_json-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate migrate_rustdoc_json 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate migrate_rustdoc_json 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate migrate_rustdoc_json 0.3.0
[INFO] tweaked toml for crates.io crate migrate_rustdoc_json 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate migrate_rustdoc_json 0.3.0 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 migrate_rustdoc_json 0.3.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 971f22a22ae63b30c71e81afeb89ff3b4a6b8055e9d127f77a8182a7edd11fc2
[INFO] running `Command { std: "docker" "start" "-a" "971f22a22ae63b30c71e81afeb89ff3b4a6b8055e9d127f77a8182a7edd11fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971f22a22ae63b30c71e81afeb89ff3b4a6b8055e9d127f77a8182a7edd11fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971f22a22ae63b30c71e81afeb89ff3b4a6b8055e9d127f77a8182a7edd11fc2", kill_on_drop: false }`
[INFO] [stdout] 971f22a22ae63b30c71e81afeb89ff3b4a6b8055e9d127f77a8182a7edd11fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 25c18e8400af5a81066a0ee6bc4fbde6ff12f3642c88dad79ca5dd0596042357
[INFO] running `Command { std: "docker" "start" "-a" "25c18e8400af5a81066a0ee6bc4fbde6ff12f3642c88dad79ca5dd0596042357", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]     Checking rustdoc-types v0.46.1
[INFO] [stderr]     Checking rustdoc-types v0.40.0
[INFO] [stderr]     Checking rustdoc-types v0.37.0
[INFO] [stderr]     Checking rustdoc-types v0.41.0
[INFO] [stderr]     Checking rustdoc-types v0.38.0
[INFO] [stderr]     Checking rustdoc-types v0.39.0
[INFO] [stderr]     Checking jsonpath-rust v1.0.2
[INFO] [stderr]     Checking migrate_rustdoc_json v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:37:90
[INFO] [stdout]    |
[INFO] [stdout] 37 |           input: pico_args.value_from_os_str("--input", |s| -> Result<PathBuf, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________^
[INFO] [stdout] 38 | |             Ok(s.into())
[INFO] [stdout] 39 | |         })?,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Ok(s.into())
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `migrate_rustdoc_json` (bin "migrate_rustdoc_json" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:37:90
[INFO] [stdout]    |
[INFO] [stdout] 37 |           input: pico_args.value_from_os_str("--input", |s| -> Result<PathBuf, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________^
[INFO] [stdout] 38 | |             Ok(s.into())
[INFO] [stdout] 39 | |         })?,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/args.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Ok(s.into())
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `migrate_rustdoc_json` (bin "migrate_rustdoc_json") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "25c18e8400af5a81066a0ee6bc4fbde6ff12f3642c88dad79ca5dd0596042357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c18e8400af5a81066a0ee6bc4fbde6ff12f3642c88dad79ca5dd0596042357", kill_on_drop: false }`
[INFO] [stdout] 25c18e8400af5a81066a0ee6bc4fbde6ff12f3642c88dad79ca5dd0596042357