[INFO] updating cached repository https://github.com/rjwebb/rust-sine-synth
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab08e1fe0e84071520660e60d0f3df4327d29d5
[INFO] checking rjwebb/rust-sine-synth against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjwebb%2Frust-sine-synth" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rjwebb/rust-sine-synth on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rjwebb/rust-sine-synth
[INFO] finished tweaking git repo https://github.com/rjwebb/rust-sine-synth
[INFO] tweaked toml for git repo https://github.com/rjwebb/rust-sine-synth written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rjwebb/rust-sine-synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7539672d13ed41f94666d424bc99bfe22ae09485dd0110138d70f834abfd5ef0
[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" "7539672d13ed41f94666d424bc99bfe22ae09485dd0110138d70f834abfd5ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7539672d13ed41f94666d424bc99bfe22ae09485dd0110138d70f834abfd5ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7539672d13ed41f94666d424bc99bfe22ae09485dd0110138d70f834abfd5ef0", kill_on_drop: false }`
[INFO] [stdout] 7539672d13ed41f94666d424bc99bfe22ae09485dd0110138d70f834abfd5ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524b7faacddfc6435d2f07137d329d7830668d36847352c092396f47e8343eba
[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" "524b7faacddfc6435d2f07137d329d7830668d36847352c092396f47e8343eba", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling libloading v0.4.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking vst2 v0.0.1 (https://github.com/rust-dsp/rust-vst#b22b488f)
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking cool_sine_synth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:45
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn get_editor(&mut self) -> Option<&mut Editor> {
[INFO] [stdout]     |                                             ^^^^^^ help: use `dyn`: `dyn Editor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:45
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn get_editor(&mut self) -> Option<&mut Editor> {
[INFO] [stdout]     |                                             ^^^^^^ help: use `dyn`: `dyn Editor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "524b7faacddfc6435d2f07137d329d7830668d36847352c092396f47e8343eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524b7faacddfc6435d2f07137d329d7830668d36847352c092396f47e8343eba", kill_on_drop: false }`
[INFO] [stdout] 524b7faacddfc6435d2f07137d329d7830668d36847352c092396f47e8343eba