[INFO] fetching crate fontkit 0.4.5...
[INFO] testing fontkit-0.4.5 against 1.76.0 for beta-1.77-1
[INFO] extracting crate fontkit 0.4.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fontkit 0.4.5 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate fontkit 0.4.5
[INFO] finished tweaking crates.io crate fontkit 0.4.5
[INFO] tweaked toml for crates.io crate fontkit 0.4.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathfinder_color v0.5.0
[INFO] [stderr]   Downloaded smawk v0.3.2
[INFO] [stderr]   Downloaded four-cc v0.1.0
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.5
[INFO] [stderr]   Downloaded tsify v0.4.5
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.2
[INFO] [stderr]   Downloaded gloo-utils v0.1.7
[INFO] [stderr]   Downloaded pathfinder_content v0.5.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.11.4
[INFO] [stderr]   Downloaded tsify-macros v0.4.5
[INFO] [stderr]   Downloaded infer v0.9.0
[INFO] [stderr]   Downloaded cfb v0.7.3
[INFO] [stderr]   Downloaded ttf-parser v0.19.2
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.28.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded safer-bytes v0.2.0
[INFO] [stderr]   Downloaded woff2 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa856bb180cdaaaaa9ec3aa311070a28c52d02f589ae4498a91583e483899cc
[INFO] running `Command { std: "docker" "start" "-a" "4aa856bb180cdaaaaa9ec3aa311070a28c52d02f589ae4498a91583e483899cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa856bb180cdaaaaa9ec3aa311070a28c52d02f589ae4498a91583e483899cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa856bb180cdaaaaa9ec3aa311070a28c52d02f589ae4498a91583e483899cc", kill_on_drop: false }`
[INFO] [stdout] 4aa856bb180cdaaaaa9ec3aa311070a28c52d02f589ae4498a91583e483899cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5deb23c6202a4468c658ad57bdb03061b183670ec43a3138c0677f5856d2224
[INFO] running `Command { std: "docker" "start" "-a" "a5deb23c6202a4468c658ad57bdb03061b183670ec43a3138c0677f5856d2224", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling pathfinder_simd v0.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive_internals v0.28.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]    Compiling pathfinder_color v0.5.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling cfb v0.7.3
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling tsify-macros v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling safer-bytes v0.2.0
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling ouroboros_macro v0.17.2
[INFO] [stderr]    Compiling fontkit v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling four-cc v0.1.0
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]    Compiling js-sys v0.3.68
[INFO] [stderr]    Compiling ouroboros v0.17.2
[INFO] [stderr]    Compiling pathfinder_content v0.5.0
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling infer v0.9.0
[INFO] [stderr]    Compiling unicode-script v0.5.5
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling ttf-parser v0.19.2
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling woff2 v0.3.0
[INFO] [stderr]    Compiling web-sys v0.3.68
[INFO] [stderr]    Compiling gloo-utils v0.1.7
[INFO] [stderr]    Compiling tsify v0.4.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(doc_auto_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fontkit` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a5deb23c6202a4468c658ad57bdb03061b183670ec43a3138c0677f5856d2224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5deb23c6202a4468c658ad57bdb03061b183670ec43a3138c0677f5856d2224", kill_on_drop: false }`
[INFO] [stdout] a5deb23c6202a4468c658ad57bdb03061b183670ec43a3138c0677f5856d2224
