[INFO] updating cached repository https://github.com/the-gizmo-dojo/UltrasonicPiPiano
[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] ceb3f3be1a3455b58d4c22a1f5fad547135ab97d
[INFO] testing the-gizmo-dojo/UltrasonicPiPiano against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-gizmo-dojo%2FUltrasonicPiPiano" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the-gizmo-dojo/UltrasonicPiPiano on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/the-gizmo-dojo/UltrasonicPiPiano
[INFO] finished tweaking git repo https://github.com/the-gizmo-dojo/UltrasonicPiPiano
[INFO] tweaked toml for git repo https://github.com/the-gizmo-dojo/UltrasonicPiPiano written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/the-gizmo-dojo/UltrasonicPiPiano already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f2718afb58d95d99eab191954f9068fbd6b2856ada19fd8d75aefe98a8393bb
[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" "5f2718afb58d95d99eab191954f9068fbd6b2856ada19fd8d75aefe98a8393bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2718afb58d95d99eab191954f9068fbd6b2856ada19fd8d75aefe98a8393bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2718afb58d95d99eab191954f9068fbd6b2856ada19fd8d75aefe98a8393bb", kill_on_drop: false }`
[INFO] [stdout] 5f2718afb58d95d99eab191954f9068fbd6b2856ada19fd8d75aefe98a8393bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebadc3a2af9a6d28ca9b9cccefd73dec6327e5a995c9ebc9f2f967dc214221eb
[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" "ebadc3a2af9a6d28ca9b9cccefd73dec6327e5a995c9ebc9f2f967dc214221eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling spidev v0.2.1
[INFO] [stderr]    Compiling sysfs_gpio v0.4.4
[INFO] [stderr]    Compiling sysfs_gpio v0.5.0
[INFO] [stderr]    Compiling octasonic v0.1.0
[INFO] [stderr]    Compiling ultrasonic_piano v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn shutdown(synth: &Synth, key: &Vec<Key>) {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Synth`
[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 21.71s
[INFO] running `Command { std: "docker" "inspect" "ebadc3a2af9a6d28ca9b9cccefd73dec6327e5a995c9ebc9f2f967dc214221eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebadc3a2af9a6d28ca9b9cccefd73dec6327e5a995c9ebc9f2f967dc214221eb", kill_on_drop: false }`
[INFO] [stdout] ebadc3a2af9a6d28ca9b9cccefd73dec6327e5a995c9ebc9f2f967dc214221eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] 070847149eb5ee704303f0bd2073ee230a1a7c1f0a1cfeca7a29e28141576728
[INFO] running `Command { std: "docker" "start" "-a" "070847149eb5ee704303f0bd2073ee230a1a7c1f0a1cfeca7a29e28141576728", kill_on_drop: false }`
[INFO] [stderr]    Compiling ultrasonic_piano v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn shutdown(synth: &Synth, key: &Vec<Key>) {
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Synth`
[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 test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "070847149eb5ee704303f0bd2073ee230a1a7c1f0a1cfeca7a29e28141576728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070847149eb5ee704303f0bd2073ee230a1a7c1f0a1cfeca7a29e28141576728", kill_on_drop: false }`
[INFO] [stdout] 070847149eb5ee704303f0bd2073ee230a1a7c1f0a1cfeca7a29e28141576728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 934edcbf3e8ef3945bd8c48e4f746f8b18390cb6565508d3448543b0d307ded9
[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" "934edcbf3e8ef3945bd8c48e4f746f8b18390cb6565508d3448543b0d307ded9", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn shutdown(synth: &Synth, key: &Vec<Key>) {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Synth`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ultrasonic_piano-ef9f5885ecb888a6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "934edcbf3e8ef3945bd8c48e4f746f8b18390cb6565508d3448543b0d307ded9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934edcbf3e8ef3945bd8c48e4f746f8b18390cb6565508d3448543b0d307ded9", kill_on_drop: false }`
[INFO] [stdout] 934edcbf3e8ef3945bd8c48e4f746f8b18390cb6565508d3448543b0d307ded9