[INFO] fetching crate pango 0.21.3...
[INFO] checking pango-0.21.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pango 0.21.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate pango 0.21.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pango 0.21.3
[INFO] tweaked toml for crates.io crate pango 0.21.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pango 0.21.3 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 pango 0.21.3 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] 639367fc2380df19a4ff5ce1b460a8c1ad5b4a96e32496e4995c1de18a0f97c9
[INFO] running `Command { std: "docker" "start" "-a" "639367fc2380df19a4ff5ce1b460a8c1ad5b4a96e32496e4995c1de18a0f97c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639367fc2380df19a4ff5ce1b460a8c1ad5b4a96e32496e4995c1de18a0f97c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639367fc2380df19a4ff5ce1b460a8c1ad5b4a96e32496e4995c1de18a0f97c9", kill_on_drop: false }`
[INFO] [stdout] 639367fc2380df19a4ff5ce1b460a8c1ad5b4a96e32496e4995c1de18a0f97c9
[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] 39bcf8922f156e60145743044227da84810c3f070a1a132ffcf3a5c3b919e611
[INFO] running `Command { std: "docker" "start" "-a" "39bcf8922f156e60145743044227da84810c3f070a1a132ffcf3a5c3b919e611", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.7.1
[INFO] [stderr]    Compiling cfg-expr v0.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling indexmap v2.11.3
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling gio v0.21.2
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking gir-format-check v0.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling toml_edit v0.23.5
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling glib-macros v0.21.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling system-deps v7.0.5
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling glib-sys v0.21.2
[INFO] [stderr]    Compiling gobject-sys v0.21.2
[INFO] [stderr]    Compiling gio-sys v0.21.2
[INFO] [stderr]    Compiling pango-sys v0.21.2
[INFO] [stderr]     Checking glib v0.21.3
[INFO] [stderr]     Checking pango v0.21.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<auto::language::Language, Infallible>
[INFO] [stdout]   --> src/language.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |       fn from_str(language: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 40 | |         Ok(Self::from_string(language))
[INFO] [stdout] 41 | |     }
[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<auto::language::Language, Infallible>
[INFO] [stdout]   --> src/language.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok(Self::from_string(language))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pango` (lib) 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<auto::language::Language, Infallible>
[INFO] [stdout]   --> src/language.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |       fn from_str(language: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 40 | |         Ok(Self::from_string(language))
[INFO] [stdout] 41 | |     }
[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<auto::language::Language, Infallible>
[INFO] [stdout]   --> src/language.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok(Self::from_string(language))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pango` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "39bcf8922f156e60145743044227da84810c3f070a1a132ffcf3a5c3b919e611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bcf8922f156e60145743044227da84810c3f070a1a132ffcf3a5c3b919e611", kill_on_drop: false }`
[INFO] [stdout] 39bcf8922f156e60145743044227da84810c3f070a1a132ffcf3a5c3b919e611