[INFO] cloning repository https://github.com/lpeterse/rsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lpeterse/rsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpeterse%2Frsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpeterse%2Frsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa58b23737e24b0fe1ebd04e16f8964d154d045b
[INFO] checking lpeterse/rsynth against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpeterse%2Frsynth" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lpeterse/rsynth on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lpeterse/rsynth
[INFO] finished tweaking git repo https://github.com/lpeterse/rsynth
[INFO] tweaked toml for git repo https://github.com/lpeterse/rsynth written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lpeterse/rsynth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58e678d8a306165f4c381a7efddfc5aae9fa7ea3848ba9a28ddf8c5be114a206
[INFO] running `Command { std: "docker" "start" "-a" "58e678d8a306165f4c381a7efddfc5aae9fa7ea3848ba9a28ddf8c5be114a206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e678d8a306165f4c381a7efddfc5aae9fa7ea3848ba9a28ddf8c5be114a206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e678d8a306165f4c381a7efddfc5aae9fa7ea3848ba9a28ddf8c5be114a206", kill_on_drop: false }`
[INFO] [stdout] 58e678d8a306165f4c381a7efddfc5aae9fa7ea3848ba9a28ddf8c5be114a206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b5629359b55fe7511b363c75477dadd48077c9bc020bdb81f68b6eed3dbb222
[INFO] running `Command { std: "docker" "start" "-a" "0b5629359b55fe7511b363c75477dadd48077c9bc020bdb81f68b6eed3dbb222", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling libpulse-sys v1.13.0
[INFO] [stderr]    Compiling libpulse-simple-sys v1.13.0
[INFO] [stderr]     Checking libpulse-binding v2.16.0
[INFO] [stderr]     Checking libpulse-simple-binding v2.16.0
[INFO] [stderr]     Checking rsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: floating point arithmetic is not allowed in constant functions
[INFO] [stdout]   --> src/frequency.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let x = f * Hz44100::RECIPROCAL as f32;
[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[E0658]: floating point arithmetic is not allowed in constant functions
[INFO] [stdout]   --> src/frequency.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let x = f * Hz44100::RECIPROCAL as f32;
[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 `rsynth`
[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: 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" "0b5629359b55fe7511b363c75477dadd48077c9bc020bdb81f68b6eed3dbb222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5629359b55fe7511b363c75477dadd48077c9bc020bdb81f68b6eed3dbb222", kill_on_drop: false }`
[INFO] [stdout] 0b5629359b55fe7511b363c75477dadd48077c9bc020bdb81f68b6eed3dbb222