[INFO] cloning repository https://github.com/kolen/dumbsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kolen/dumbsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolen%2Fdumbsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolen%2Fdumbsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88552bc0d27b47cb40007b1b86ec737bee39b558
[INFO] testing kolen/dumbsynth against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolen%2Fdumbsynth" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolen/dumbsynth on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kolen/dumbsynth
[INFO] finished tweaking git repo https://github.com/kolen/dumbsynth
[INFO] tweaked toml for git repo https://github.com/kolen/dumbsynth written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kolen/dumbsynth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a207f49547ae77247e865cfa0f8dbb5b6ac710b31eb660a5e3422cec8c5814ac
[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" "a207f49547ae77247e865cfa0f8dbb5b6ac710b31eb660a5e3422cec8c5814ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a207f49547ae77247e865cfa0f8dbb5b6ac710b31eb660a5e3422cec8c5814ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a207f49547ae77247e865cfa0f8dbb5b6ac710b31eb660a5e3422cec8c5814ac", kill_on_drop: false }`
[INFO] [stdout] a207f49547ae77247e865cfa0f8dbb5b6ac710b31eb660a5e3422cec8c5814ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e9d2020f49836c4bab6cffd6c1c949b786a0f8b96ae285902f61f30e031833
[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" "24e9d2020f49836c4bab6cffd6c1c949b786a0f8b96ae285902f61f30e031833", kill_on_drop: false }`
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling riff v0.1.1
[INFO] [stderr]    Compiling wav v0.4.1
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling dasp_window v0.11.0
[INFO] [stderr]    Compiling vst v0.2.0
[INFO] [stderr]    Compiling dasp_peak v0.11.0
[INFO] [stderr]    Compiling dasp_rms v0.11.0
[INFO] [stderr]    Compiling dasp_interpolate v0.11.0
[INFO] [stderr]    Compiling dasp_slice v0.11.0
[INFO] [stderr]    Compiling dasp_envelope v0.11.0
[INFO] [stderr]    Compiling dasp_signal v0.11.0
[INFO] [stderr]    Compiling dasp v0.11.0
[INFO] [stderr]    Compiling dumbsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "24e9d2020f49836c4bab6cffd6c1c949b786a0f8b96ae285902f61f30e031833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e9d2020f49836c4bab6cffd6c1c949b786a0f8b96ae285902f61f30e031833", kill_on_drop: false }`
[INFO] [stdout] 24e9d2020f49836c4bab6cffd6c1c949b786a0f8b96ae285902f61f30e031833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b2182239e9b0c6cf39c3893757bb0e9856019b09f7f52c8d48fcd982838b4dc
[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" "8b2182239e9b0c6cf39c3893757bb0e9856019b09f7f52c8d48fcd982838b4dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling dumbsynth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "8b2182239e9b0c6cf39c3893757bb0e9856019b09f7f52c8d48fcd982838b4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2182239e9b0c6cf39c3893757bb0e9856019b09f7f52c8d48fcd982838b4dc", kill_on_drop: false }`
[INFO] [stdout] 8b2182239e9b0c6cf39c3893757bb0e9856019b09f7f52c8d48fcd982838b4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40f83a8dcb5cbbae9ce1c84471a739f819a59cd4ebe7adebcc9b6a86bcdba40a
[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" "40f83a8dcb5cbbae9ce1c84471a739f819a59cd4ebe7adebcc9b6a86bcdba40a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dumbsynth-2de89fe07840acb0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dumbsynth-2f3f5da19552d465
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests dumbsynth
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "40f83a8dcb5cbbae9ce1c84471a739f819a59cd4ebe7adebcc9b6a86bcdba40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f83a8dcb5cbbae9ce1c84471a739f819a59cd4ebe7adebcc9b6a86bcdba40a", kill_on_drop: false }`
[INFO] [stdout] 40f83a8dcb5cbbae9ce1c84471a739f819a59cd4ebe7adebcc9b6a86bcdba40a