[INFO] cloning repository https://github.com/dinfuehr/dora
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinfuehr/dora" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c121e131f1258d0a4b5d336d114619b101c387
[INFO] checking dinfuehr/dora 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%2Fdinfuehr%2Fdora" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dinfuehr/dora
[INFO] finished tweaking git repo https://github.com/dinfuehr/dora
[INFO] tweaked toml for git repo https://github.com/dinfuehr/dora written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dinfuehr/dora 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/dinfuehr/dora 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] dc9f094ccf3fb9ab54a9fc2d95aabe09a58c08a552f08eb82c0a35a04b826e06
[INFO] running `Command { std: "docker" "start" "-a" "dc9f094ccf3fb9ab54a9fc2d95aabe09a58c08a552f08eb82c0a35a04b826e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9f094ccf3fb9ab54a9fc2d95aabe09a58c08a552f08eb82c0a35a04b826e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9f094ccf3fb9ab54a9fc2d95aabe09a58c08a552f08eb82c0a35a04b826e06", kill_on_drop: false }`
[INFO] [stdout] dc9f094ccf3fb9ab54a9fc2d95aabe09a58c08a552f08eb82c0a35a04b826e06
[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] c75cad077560f0d565345fdd1cdb1b9c86b600c9014e4453cc029900753a7d48
[INFO] running `Command { std: "docker" "start" "-a" "c75cad077560f0d565345fdd1cdb1b9c86b600c9014e4453cc029900753a7d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling capstone-sys v0.17.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling afl v0.16.0
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking fluent-uri v0.1.4
[INFO] [stderr]     Checking dora-asm v0.0.1 (/opt/rustwide/workdir/dora-asm)
[INFO] [stderr]     Checking clap_builder v4.5.49
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking toml_writer v1.0.4
[INFO] [stderr]     Checking xdg v3.0.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rustc_version v0.4.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking dora-token-fuzzer v0.1.0 (/opt/rustwide/workdir/dora-token-fuzzer)
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking toml_parser v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking dora-parser-derive v0.0.1 (/opt/rustwide/workdir/dora-parser-derive)
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]     Checking dora-bytecode v0.0.2 (/opt/rustwide/workdir/dora-bytecode)
[INFO] [stderr]     Checking dora-parser v0.0.2 (/opt/rustwide/workdir/dora-parser)
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking clap v4.5.49
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking dora-frontend v0.0.2 (/opt/rustwide/workdir/dora-frontend)
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking lsp-types v0.97.0
[INFO] [stderr]     Checking lsp-server v0.7.9
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> dora-frontend/src/typeck/expr.rs:942:35
[INFO] [stdout]     |
[INFO] [stdout] 942 |                 let ty = subtypes[usize::try_from(index).unwrap()].clone();
[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<usize, Infallible>
[INFO] [stdout]     --> dora-frontend/src/typeck/expr.rs:1253:31
[INFO] [stdout]      |
[INFO] [stdout] 1253 |             let ty = subtypes[usize::try_from(index).unwrap()].clone();
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dora-frontend` (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<usize, Infallible>
[INFO] [stdout]    --> dora-frontend/src/typeck/expr.rs:942:35
[INFO] [stdout]     |
[INFO] [stdout] 942 |                 let ty = subtypes[usize::try_from(index).unwrap()].clone();
[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<usize, Infallible>
[INFO] [stdout]     --> dora-frontend/src/typeck/expr.rs:1253:31
[INFO] [stdout]      |
[INFO] [stdout] 1253 |             let ty = subtypes[usize::try_from(index).unwrap()].clone();
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dora-frontend` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c75cad077560f0d565345fdd1cdb1b9c86b600c9014e4453cc029900753a7d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c75cad077560f0d565345fdd1cdb1b9c86b600c9014e4453cc029900753a7d48", kill_on_drop: false }`
[INFO] [stdout] c75cad077560f0d565345fdd1cdb1b9c86b600c9014e4453cc029900753a7d48