[INFO] updating cached repository https://github.com/upachler/lv2-signal-gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6f5723d74c70de17fb27e512c91546de0c2877b
[INFO] checking upachler/lv2-signal-gen against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupachler%2Flv2-signal-gen" "/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/upachler/lv2-signal-gen 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/upachler/lv2-signal-gen
[INFO] finished tweaking git repo https://github.com/upachler/lv2-signal-gen
[INFO] tweaked toml for git repo https://github.com/upachler/lv2-signal-gen written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/upachler/lv2-signal-gen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 52c1ae42d3a18404881086c7e36e461b2735dbd8d5f82f4f55cf91eca89c983a
[INFO] running `"docker" "start" "-a" "52c1ae42d3a18404881086c7e36e461b2735dbd8d5f82f4f55cf91eca89c983a"`
[INFO] [stderr]     Checking lv2rs-core v0.3.3
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking lv2rs-urid v0.2.2
[INFO] [stderr]     Checking lv2rs-atom v0.1.2
[INFO] [stderr]     Checking lv2rs-midi v0.1.2
[INFO] [stderr]     Checking lv2rs v0.3.2
[INFO] [stderr]     Checking signal-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/gen.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let n = (f32::max(0., period_t - self.offset_t) * self.rate) as usize;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `signal-generator`.
[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[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]   --> src/gen.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let n = (f32::max(0., period_t - self.offset_t) * self.rate) as usize;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f32` as `usize` is invalid
[INFO] [stderr]    --> src/gen.rs:102:20
[INFO] [stderr]     |
[INFO] [stderr] 102 |         buf.resize(gen.rate as usize + 1, 0.0);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `signal-generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "52c1ae42d3a18404881086c7e36e461b2735dbd8d5f82f4f55cf91eca89c983a"`
[INFO] running `"docker" "rm" "-f" "52c1ae42d3a18404881086c7e36e461b2735dbd8d5f82f4f55cf91eca89c983a"`
[INFO] [stdout] 52c1ae42d3a18404881086c7e36e461b2735dbd8d5f82f4f55cf91eca89c983a