[INFO] updating cached repository https://github.com/casey/snd
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e217a4c08680407e1b107dfb213e771a9dc7085a
[INFO] testing casey/snd against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fsnd" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/snd on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/casey/snd
[INFO] finished tweaking git repo https://github.com/casey/snd
[INFO] tweaked toml for git repo https://github.com/casey/snd written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/casey/snd already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00a99a2796ef375a0af4a49b36230e50e5c2ea614763aee9a9e6a1ac20b4a208
[INFO] running `"docker" "start" "-a" "00a99a2796ef375a0af4a49b36230e50e5c2ea614763aee9a9e6a1ac20b4a208"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling cpal v0.8.1
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling snd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Noise`
[INFO] [stderr]   --> src/synthesizer.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Noise,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Square`
[INFO] [stderr]   --> src/synthesizer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Triangle`
[INFO] [stderr]   --> src/synthesizer.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Triangle,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `"docker" "inspect" "00a99a2796ef375a0af4a49b36230e50e5c2ea614763aee9a9e6a1ac20b4a208"`
[INFO] running `"docker" "rm" "-f" "00a99a2796ef375a0af4a49b36230e50e5c2ea614763aee9a9e6a1ac20b4a208"`
[INFO] [stdout] 00a99a2796ef375a0af4a49b36230e50e5c2ea614763aee9a9e6a1ac20b4a208
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8269328a45c193f6d37c3ab63cdfe3f9ea03160e89ade624c7a87e08f96cc0f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8269328a45c193f6d37c3ab63cdfe3f9ea03160e89ade624c7a87e08f96cc0f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling snd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Noise`
[INFO] [stderr]   --> src/synthesizer.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Noise,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Square`
[INFO] [stderr]   --> src/synthesizer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "8269328a45c193f6d37c3ab63cdfe3f9ea03160e89ade624c7a87e08f96cc0f6"`
[INFO] running `"docker" "rm" "-f" "8269328a45c193f6d37c3ab63cdfe3f9ea03160e89ade624c7a87e08f96cc0f6"`
[INFO] [stdout] 8269328a45c193f6d37c3ab63cdfe3f9ea03160e89ade624c7a87e08f96cc0f6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5349c271584a67b02bd71ee98e6c92a0e5a470c4457f42e4d91504243481f517
[INFO] running `"docker" "start" "-a" "5349c271584a67b02bd71ee98e6c92a0e5a470c4457f42e4d91504243481f517"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variant is never constructed: `Noise`
[INFO] [stderr]   --> src/synthesizer.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Noise,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Square`
[INFO] [stderr]   --> src/synthesizer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snd-c84ca52dc24aa62d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test synthesizer::tests::triangle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5349c271584a67b02bd71ee98e6c92a0e5a470c4457f42e4d91504243481f517"`
[INFO] running `"docker" "rm" "-f" "5349c271584a67b02bd71ee98e6c92a0e5a470c4457f42e4d91504243481f517"`
[INFO] [stdout] 5349c271584a67b02bd71ee98e6c92a0e5a470c4457f42e4d91504243481f517