[INFO] fetching crate nbuild-core 0.1.2...
[INFO] checking nbuild-core-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate nbuild-core 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nbuild-core 0.1.2
[INFO] finished tweaking crates.io crate nbuild-core 0.1.2
[INFO] tweaked toml for crates.io crate nbuild-core 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nbuild-core 0.1.2 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 66 packages to latest compatible versions
[INFO] [stderr]       Adding cargo-lock v9.0.0 (available: v11.0.0)
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (available: v0.23.1)
[INFO] [stderr]       Adding target-spec v1.4.0 (available: v3.5.4)
[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-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] 03d4322a85c9ac53c467f8218e555654507378f0927a3ff96627fc63ecd411b8
[INFO] running `Command { std: "docker" "start" "-a" "03d4322a85c9ac53c467f8218e555654507378f0927a3ff96627fc63ecd411b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d4322a85c9ac53c467f8218e555654507378f0927a3ff96627fc63ecd411b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d4322a85c9ac53c467f8218e555654507378f0927a3ff96627fc63ecd411b8", kill_on_drop: false }`
[INFO] [stdout] 03d4322a85c9ac53c467f8218e555654507378f0927a3ff96627fc63ecd411b8
[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] 144ac51225b58a38100f627aa02641da4949cba17d1ecc7999e0dd20e96f22b8
[INFO] running `Command { std: "docker" "start" "-a" "144ac51225b58a38100f627aa02641da4949cba17d1ecc7999e0dd20e96f22b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling target-spec v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking cfg-expr v0.15.8
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking cargo-lock v9.0.0
[INFO] [stderr]     Checking nbuild-core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/models/cargo/mod.rs:395:20
[INFO] [stdout]     |
[INFO] [stdout] 395 |         let path = PathBuf::from_str(env!("CARGO_MANIFEST_DIR"))
[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/models/cargo/mod.rs:474:25
[INFO] [stdout]     |
[INFO] [stdout] 474 |         let workspace = PathBuf::from_str(env!("CARGO_MANIFEST_DIR"))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/models/nix.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |             source: PathBuf::from_str("/cargo-nbuild/nbuild-core/tests/simple")
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/models/nix.rs:496:20
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let base = PathBuf::from_str("/cargo-nbuild/nbuild-core/tests/workspace").unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/models/mod.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let workspace = PathBuf::from_str(env!("CARGO_MANIFEST_DIR"))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nbuild-core` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "144ac51225b58a38100f627aa02641da4949cba17d1ecc7999e0dd20e96f22b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144ac51225b58a38100f627aa02641da4949cba17d1ecc7999e0dd20e96f22b8", kill_on_drop: false }`
[INFO] [stdout] 144ac51225b58a38100f627aa02641da4949cba17d1ecc7999e0dd20e96f22b8