[INFO] fetching crate fp 0.1.0...
[INFO] checking fp-0.1.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate fp 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fp 0.1.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fp 0.1.0
[INFO] finished tweaking crates.io crate fp 0.1.0
[INFO] tweaked toml for crates.io crate fp 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c5cac8cc8e1ca7d08501704e8942e73d3c31802c80bf1c58ffc7ee8b338681c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c5cac8cc8e1ca7d08501704e8942e73d3c31802c80bf1c58ffc7ee8b338681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c5cac8cc8e1ca7d08501704e8942e73d3c31802c80bf1c58ffc7ee8b338681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5cac8cc8e1ca7d08501704e8942e73d3c31802c80bf1c58ffc7ee8b338681c", kill_on_drop: false }`
[INFO] [stdout] 7c5cac8cc8e1ca7d08501704e8942e73d3c31802c80bf1c58ffc7ee8b338681c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2de3e0d52463ecc656a148f88103f103ad706fb8f9fe6f4dca06f3dfce34bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c2de3e0d52463ecc656a148f88103f103ad706fb8f9fe6f4dca06f3dfce34bc", 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]     Checking fp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: floating point arithmetic is not allowed in constant functions
[INFO] [stdout]   --> src/lib.rs:91:23
[INFO] [stdout]    |
[INFO] [stdout] 91 |         F24P8 { bits: (f * FRACTION_VALUE as f64) as i32 }
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
[INFO] [stdout]    = help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: floating point arithmetic is not allowed in constant functions
[INFO] [stdout]   --> src/lib.rs:91:23
[INFO] [stdout]    |
[INFO] [stdout] 91 |         F24P8 { bits: (f * FRACTION_VALUE as f64) as i32 }
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
[INFO] [stdout]    = help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6c2de3e0d52463ecc656a148f88103f103ad706fb8f9fe6f4dca06f3dfce34bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2de3e0d52463ecc656a148f88103f103ad706fb8f9fe6f4dca06f3dfce34bc", kill_on_drop: false }`
[INFO] [stdout] 6c2de3e0d52463ecc656a148f88103f103ad706fb8f9fe6f4dca06f3dfce34bc