[INFO] fetching crate femtofont 0.5.0...
[INFO] testing femtofont-0.5.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate femtofont 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate femtofont 0.5.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 | homepage = "https://github.com/iriswebb/femtofont"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84 | repository = "https://github.com/iriswebb/femtofont"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `femtofont` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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] 1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb
[INFO] running `Command { std: "docker" "start" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb", 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" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb", 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" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 | homepage = "https://github.com/iriswebb/femtofont"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84 | repository = "https://github.com/iriswebb/femtofont"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `femtofont` (manifest) generated 1 warning
[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" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb", kill_on_drop: false }`
[INFO] [stdout] 1e5c9a9290b7539d2d470dcddbf0c1cb72486a11514e07fe558f00ef8e900dbb
