[INFO] cloning repository https://github.com/mr-beerkiss/web-synth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr-beerkiss/web-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-beerkiss%2Fweb-synth"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-beerkiss%2Fweb-synth'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55e6f931204593cc0c521f60c2d2bcb38d12ac87
[INFO] checking mr-beerkiss/web-synth against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-beerkiss%2Fweb-synth" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mr-beerkiss/web-synth on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mr-beerkiss/web-synth
[INFO] finished tweaking git repo https://github.com/mr-beerkiss/web-synth
[INFO] tweaked toml for git repo https://github.com/mr-beerkiss/web-synth written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mr-beerkiss/web-synth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0f97e7f60eec3b9bd8db4a94395f6d34c9de1e7e2f4fad13c9c0bb5ef7f6ffd
[INFO] running `"docker" "start" "-a" "f0f97e7f60eec3b9bd8db4a94395f6d34c9de1e7e2f4fad13c9c0bb5ef7f6ffd"`
[INFO] [stderr]     Checking wavetable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let (sample_low_ix, sample_hi_ix) = (sample_ix.floor() as usize, sample_ix.ceil() as usize);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:86:70
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let (sample_low_ix, sample_hi_ix) = (sample_ix.floor() as usize, sample_ix.ceil() as usize);
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |       (waveform_ix.floor() as usize, waveform_ix.ceil() as usize);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let (sample_low_ix, sample_hi_ix) = (sample_ix.floor() as usize, sample_ix.ceil() as usize);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:86:70
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let (sample_low_ix, sample_hi_ix) = (sample_ix.floor() as usize, sample_ix.ceil() as usize);
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |       (waveform_ix.floor() as usize, waveform_ix.ceil() as usize);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |       (waveform_ix.floor() as usize, waveform_ix.ceil() as usize);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/lib.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |       (waveform_ix.floor() as usize, waveform_ix.ceil() as usize);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `wavetable`.
[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] [stderr] error: could not compile `wavetable`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f0f97e7f60eec3b9bd8db4a94395f6d34c9de1e7e2f4fad13c9c0bb5ef7f6ffd"`
[INFO] running `"docker" "rm" "-f" "f0f97e7f60eec3b9bd8db4a94395f6d34c9de1e7e2f4fad13c9c0bb5ef7f6ffd"`
[INFO] [stdout] f0f97e7f60eec3b9bd8db4a94395f6d34c9de1e7e2f4fad13c9c0bb5ef7f6ffd