[INFO] cloning repository https://github.com/gwatcha/synthesizer-embedded-software
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwatcha/synthesizer-embedded-software" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwatcha%2Fsynthesizer-embedded-software", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwatcha%2Fsynthesizer-embedded-software'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6308815b4980dd1b96e07ceb34625e76a665f405
[INFO] testing gwatcha/synthesizer-embedded-software against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwatcha%2Fsynthesizer-embedded-software" "/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/gwatcha/synthesizer-embedded-software 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/gwatcha/synthesizer-embedded-software
[INFO] finished tweaking git repo https://github.com/gwatcha/synthesizer-embedded-software
[INFO] tweaked toml for git repo https://github.com/gwatcha/synthesizer-embedded-software written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/gwatcha/synthesizer-embedded-software 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-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" "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] c4000ba3087a118c07618077f91bd793847138c389efcfee5f66ba86d4ed4b9a
[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" "c4000ba3087a118c07618077f91bd793847138c389efcfee5f66ba86d4ed4b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4000ba3087a118c07618077f91bd793847138c389efcfee5f66ba86d4ed4b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4000ba3087a118c07618077f91bd793847138c389efcfee5f66ba86d4ed4b9a", kill_on_drop: false }`
[INFO] [stdout] c4000ba3087a118c07618077f91bd793847138c389efcfee5f66ba86d4ed4b9a
[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" "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] afe16538e7cae04fa505a81e35a328e08fb9893b87fecb7af5ba27f6e9a077eb
[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" "afe16538e7cae04fa505a81e35a328e08fb9893b87fecb7af5ba27f6e9a077eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthesizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "afe16538e7cae04fa505a81e35a328e08fb9893b87fecb7af5ba27f6e9a077eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe16538e7cae04fa505a81e35a328e08fb9893b87fecb7af5ba27f6e9a077eb", kill_on_drop: false }`
[INFO] [stdout] afe16538e7cae04fa505a81e35a328e08fb9893b87fecb7af5ba27f6e9a077eb
[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" "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] faf73c0e334ef305339041654ec86e4b11e187fa859c75e6edcec7a8a5e19fb8
[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" "faf73c0e334ef305339041654ec86e4b11e187fa859c75e6edcec7a8a5e19fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling synthesizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "faf73c0e334ef305339041654ec86e4b11e187fa859c75e6edcec7a8a5e19fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf73c0e334ef305339041654ec86e4b11e187fa859c75e6edcec7a8a5e19fb8", kill_on_drop: false }`
[INFO] [stdout] faf73c0e334ef305339041654ec86e4b11e187fa859c75e6edcec7a8a5e19fb8
[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" "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] 3b7187fc1bd4b9477b170ffa9e9f0089a7d885343e60489f74afb68b4df91343
[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" "3b7187fc1bd4b9477b170ffa9e9f0089a7d885343e60489f74afb68b4df91343", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synthesizer-3e5d3d6e704a04e1
[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" "3b7187fc1bd4b9477b170ffa9e9f0089a7d885343e60489f74afb68b4df91343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7187fc1bd4b9477b170ffa9e9f0089a7d885343e60489f74afb68b4df91343", kill_on_drop: false }`
[INFO] [stdout] 3b7187fc1bd4b9477b170ffa9e9f0089a7d885343e60489f74afb68b4df91343