[INFO] fetching crate mltg 0.22.1...
[INFO] testing mltg-0.22.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mltg 0.22.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mltg 0.22.1
[INFO] finished tweaking crates.io crate mltg 0.22.1
[INFO] tweaked toml for crates.io crate mltg 0.22.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mltg 0.22.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mltg 0.22.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2636a710c074deee2b00800241226ccca0cb66903463f6ab9efa94583747e92
[INFO] running `Command { std: "docker" "start" "-a" "f2636a710c074deee2b00800241226ccca0cb66903463f6ab9efa94583747e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2636a710c074deee2b00800241226ccca0cb66903463f6ab9efa94583747e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2636a710c074deee2b00800241226ccca0cb66903463f6ab9efa94583747e92", kill_on_drop: false }`
[INFO] [stdout] f2636a710c074deee2b00800241226ccca0cb66903463f6ab9efa94583747e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25715aa288686007868d8a7e49d4fa18b6b2402261304c5891d03c3599017548
[INFO] running `Command { std: "docker" "start" "-a" "25715aa288686007868d8a7e49d4fa18b6b2402261304c5891d03c3599017548", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.48.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling windows-targets v0.48.3
[INFO] [stderr]    Compiling windows-core v0.51.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling gecl v0.2.0
[INFO] [stderr]    Compiling windows-interface v0.51.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling windows-implement v0.51.1
[INFO] [stderr]    Compiling windows v0.51.1
[INFO] [stderr]    Compiling mltg v0.22.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/context.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn lock(&self) -> LockGuard {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn lock(&self) -> LockGuard<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.22s
[INFO] running `Command { std: "docker" "inspect" "25715aa288686007868d8a7e49d4fa18b6b2402261304c5891d03c3599017548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25715aa288686007868d8a7e49d4fa18b6b2402261304c5891d03c3599017548", kill_on_drop: false }`
[INFO] [stdout] 25715aa288686007868d8a7e49d4fa18b6b2402261304c5891d03c3599017548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c67cadc5c5c724facbec2ab99e9f14b2c2c58c7c84fcdcd4415f1a7d66ed6f6
[INFO] running `Command { std: "docker" "start" "-a" "9c67cadc5c5c724facbec2ab99e9f14b2c2c58c7c84fcdcd4415f1a7d66ed6f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling xml-rs v0.8.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling ttf-parser v0.19.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling owned_ttf_parser v0.19.0
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling winit v0.28.6
[INFO] [stderr]    Compiling ab_glyph v0.2.21
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tiny-skia v0.8.4
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling windows v0.51.1
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling pin-project-lite v0.2.12
[INFO] [stderr]    Compiling windows-targets v0.42.2
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling windows v0.46.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling coinit v0.1.12
[INFO] running `Command { std: "docker" "inspect" "9c67cadc5c5c724facbec2ab99e9f14b2c2c58c7c84fcdcd4415f1a7d66ed6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c67cadc5c5c724facbec2ab99e9f14b2c2c58c7c84fcdcd4415f1a7d66ed6f6", kill_on_drop: false }`
[INFO] [stdout] 9c67cadc5c5c724facbec2ab99e9f14b2c2c58c7c84fcdcd4415f1a7d66ed6f6