[INFO] fetching crate imgc 0.3.8...
[INFO] checking imgc-0.3.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate imgc 0.3.8 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate imgc 0.3.8
[INFO] finished tweaking crates.io crate imgc 0.3.8
[INFO] tweaked toml for crates.io crate imgc 0.3.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imgc 0.3.8 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 imgc 0.3.8 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-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] d2d5166419e0ed716161d3b703d227d2d85ce1bbdfdf1664e6f462d63ac1cd6c
[INFO] running `Command { std: "docker" "start" "-a" "d2d5166419e0ed716161d3b703d227d2d85ce1bbdfdf1664e6f462d63ac1cd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d5166419e0ed716161d3b703d227d2d85ce1bbdfdf1664e6f462d63ac1cd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d5166419e0ed716161d3b703d227d2d85ce1bbdfdf1664e6f462d63ac1cd6c", kill_on_drop: false }`
[INFO] [stdout] d2d5166419e0ed716161d3b703d227d2d85ce1bbdfdf1664e6f462d63ac1cd6c
[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] 215943ede0e67cbb3047ae41497cae526de2f9afc90207ba2084ecb6ba154a4a
[INFO] running `Command { std: "docker" "start" "-a" "215943ede0e67cbb3047ae41497cae526de2f9afc90207ba2084ecb6ba154a4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]     Checking imgref v1.12.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking avif-serialize v0.8.6
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]    Compiling built v0.8.0
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]     Checking weezl v0.1.10
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking aligned v0.4.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]    Compiling cc v1.2.43
[INFO] [stderr]    Compiling nasm-rs v0.3.1
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking y4m v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking pxfm v0.1.25
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking bitstream-io v4.9.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking console v0.16.1
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking unit-prefix v0.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking indicatif v0.18.2
[INFO] [stderr]     Checking ctrlc v3.5.1
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking moxcms v0.7.9
[INFO] [stderr]    Compiling libwebp-sys v0.9.6
[INFO] [stderr]    Compiling mozjpeg-sys v2.2.3
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]     Checking av1-grain v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking fax v0.2.6
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tiff v0.10.3
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]    Compiling cargo-platform v0.3.1
[INFO] [stderr]    Compiling cargo_metadata v0.23.0
[INFO] [stderr]     Checking ravif v0.11.20
[INFO] [stderr]     Checking image v0.25.8
[INFO] [stderr]     Checking mozjpeg v0.10.13
[INFO] [stderr]     Checking webp v0.3.1
[INFO] [stderr]    Compiling imgc v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ravif v0.12.0
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/converter/mod.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |         _ => "unknown encoder".parse().unwrap(),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/converter/mod.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |         _ => "unknown encoder".parse().unwrap(),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "215943ede0e67cbb3047ae41497cae526de2f9afc90207ba2084ecb6ba154a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215943ede0e67cbb3047ae41497cae526de2f9afc90207ba2084ecb6ba154a4a", kill_on_drop: false }`
[INFO] [stdout] 215943ede0e67cbb3047ae41497cae526de2f9afc90207ba2084ecb6ba154a4a
