[INFO] cloning repository https://github.com/maciekk64/cosmic-applet-external-monitor-brightness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciekk64/cosmic-applet-external-monitor-brightness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciekk64%2Fcosmic-applet-external-monitor-brightness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciekk64%2Fcosmic-applet-external-monitor-brightness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13b212dff8bc3f4796150d52486f8aacec83b465
[INFO] checking maciekk64/cosmic-applet-external-monitor-brightness against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciekk64%2Fcosmic-applet-external-monitor-brightness" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maciekk64/cosmic-applet-external-monitor-brightness on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maciekk64/cosmic-applet-external-monitor-brightness
[INFO] finished tweaking git repo https://github.com/maciekk64/cosmic-applet-external-monitor-brightness
[INFO] tweaked toml for git repo https://github.com/maciekk64/cosmic-applet-external-monitor-brightness written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/maciekk64/cosmic-applet-external-monitor-brightness 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66531fd36d046b08ba5934abff67360549d598218250c0ba19f679f0c8249afd
[INFO] running `Command { std: "docker" "start" "-a" "66531fd36d046b08ba5934abff67360549d598218250c0ba19f679f0c8249afd", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "66531fd36d046b08ba5934abff67360549d598218250c0ba19f679f0c8249afd", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/taffy-bd4586f5551dc460/7781c70/src/style_helpers.rs:58:31
[INFO] [stdout]     |
[INFO] [stdout] 58  |     repeated_tracks.push(flex(1.0));
[INFO] [stdout]     |                          ---- ^^^ the trait `From<f64>` is not implemented for `f32`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `From<T>`:
[INFO] [stdout]               `f32` implements `From<bool>`
[INFO] [stdout]               `f32` implements `From<f16>`
[INFO] [stdout]               `f32` implements `From<i16>`
[INFO] [stdout]               `f32` implements `From<i8>`
[INFO] [stdout]               `f32` implements `From<u16>`
[INFO] [stdout]               `f32` implements `From<u8>`
[INFO] [stdout]     = note: required for `f64` to implement `Into<f32>`
[INFO] [stdout] note: required by a bound in `flex`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/taffy-bd4586f5551dc460/7781c70/src/style_helpers.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 98  | pub fn flex<Input, Output>(flex_fraction: Input) -> Output
[INFO] [stdout]     |        ---- required by a bound in this function
[INFO] [stdout] 99  | where
[INFO] [stdout] 100 |     Input: Into<f32> + Copy,
[INFO] [stdout]     |            ^^^^^^^^^ required by this bound in `flex`
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking mccs-caps v0.1.3
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taffy` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3ceb4a9e450ccea83882ec7b9c17cbeccba6117ae26cb54e996c65ed8cfce743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ceb4a9e450ccea83882ec7b9c17cbeccba6117ae26cb54e996c65ed8cfce743", kill_on_drop: false }`
[INFO] [stdout] 3ceb4a9e450ccea83882ec7b9c17cbeccba6117ae26cb54e996c65ed8cfce743