[INFO] fetching crate femtofont 0.5.0...
[INFO] testing femtofont-0.5.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate femtofont 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate femtofont 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate femtofont 0.5.0
[INFO] tweaked toml for crates.io crate femtofont 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate femtofont 0.5.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate femtofont 0.5.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusttype v0.9.3
[INFO] [stderr]   Downloaded owned_ttf_parser v0.15.2
[INFO] [stderr]   Downloaded core_maths v0.1.1
[INFO] [stderr]   Downloaded ttf-parser v0.25.1
[INFO] [stderr]   Downloaded ttf-parser v0.15.2
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.10
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded xi-unicode v0.3.0
[INFO] [stderr]   Downloaded glyph_brush_layout v0.2.4
[INFO] [stderr]   Downloaded ab_glyph v0.2.32
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.125
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] [stderr]   Downloaded owned_ttf_parser v0.25.1
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.125
[INFO] [stderr]   Downloaded regex v1.12.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.125
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.125
[INFO] [stderr]   Downloaded js-sys v0.3.102
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded freetype-rs v0.26.0
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded web-sys v0.3.102
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56
[INFO] running `Command { std: "docker" "start" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling femtofont v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(core_float_math)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::f32::MAX`: replaced by the `MAX` associated constant on `f32`
[INFO] [stdout]    --> src/layout.rs:347:66
[INFO] [stdout]     |
[INFO] [stdout] 347 |         self.max_width = settings.max_width.unwrap_or(core::f32::MAX);
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::f32::MAX`: replaced by the `MAX` associated constant on `f32`
[INFO] [stdout]    --> src/layout.rs:348:68
[INFO] [stdout]     |
[INFO] [stdout] 348 |         self.max_height = settings.max_height.unwrap_or(core::f32::MAX);
[INFO] [stdout]     |                                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::f32::MAX`: replaced by the `MAX` associated constant on `f32`
[INFO] [stdout]    --> src/math.rs:160:24
[INFO] [stdout]     |
[INFO] [stdout] 160 |             core::f32::MAX
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `femtofont` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56", kill_on_drop: false }`
[INFO] [stdout] 95fcaaf1f8deac5b1bf65798f4bcc1596788f3c72a608330d7048fe4c0644c56
