[INFO] cloning repository https://github.com/upachler/lv2-signal-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upachler/lv2-signal-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupachler%2Flv2-signal-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupachler%2Flv2-signal-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6f5723d74c70de17fb27e512c91546de0c2877b
[INFO] checking upachler/lv2-signal-gen against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupachler%2Flv2-signal-gen" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/upachler/lv2-signal-gen on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/upachler/lv2-signal-gen 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded lv2rs v0.3.2
[INFO] [stderr]   Downloaded lv2rs-midi v0.1.2
[INFO] [stderr]   Downloaded ux v0.1.3
[INFO] [stderr]   Downloaded lv2rs-core v0.3.3
[INFO] [stderr]   Downloaded lv2rs-urid v0.2.2
[INFO] [stderr]   Downloaded lv2rs-atom v0.1.2
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dae77c8f731102735b7dbf81768b801d54b03393dd35f2491a4aae36e0236252
[INFO] running `Command { std: "docker" "start" "-a" "dae77c8f731102735b7dbf81768b801d54b03393dd35f2491a4aae36e0236252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dae77c8f731102735b7dbf81768b801d54b03393dd35f2491a4aae36e0236252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae77c8f731102735b7dbf81768b801d54b03393dd35f2491a4aae36e0236252", kill_on_drop: false }`
[INFO] [stdout] dae77c8f731102735b7dbf81768b801d54b03393dd35f2491a4aae36e0236252
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc230ede5843e5cffe2d8354aeaa72052adb79758f1b1dc8e5a07ca75f2a9981
[INFO] running `Command { std: "docker" "start" "-a" "dc230ede5843e5cffe2d8354aeaa72052adb79758f1b1dc8e5a07ca75f2a9981", kill_on_drop: false }`
[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] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/gen.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |         assert!(0.0 - buf[(buf.len()-1)] <= std::f32::EPSILON);
[INFO] [stdout]     |                           ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -         assert!(0.0 - buf[(buf.len()-1)] <= std::f32::EPSILON);
[INFO] [stdout] 119 +         assert!(0.0 - buf[buf.len()-1] <= std::f32::EPSILON);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "dc230ede5843e5cffe2d8354aeaa72052adb79758f1b1dc8e5a07ca75f2a9981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc230ede5843e5cffe2d8354aeaa72052adb79758f1b1dc8e5a07ca75f2a9981", kill_on_drop: false }`
[INFO] [stdout] dc230ede5843e5cffe2d8354aeaa72052adb79758f1b1dc8e5a07ca75f2a9981