[INFO] updating cached repository https://github.com/orlp/softsynth
[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] 288516af2f4ffdc9d8e99f93aacbd4a61f6a3bb2
[INFO] testing orlp/softsynth against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsoftsynth" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orlp/softsynth on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/orlp/softsynth
[INFO] finished tweaking git repo https://github.com/orlp/softsynth
[INFO] tweaked toml for git repo https://github.com/orlp/softsynth written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/orlp/softsynth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 64bd645b9f4a54db6756f1fb6d69b2cb55d0f15789cf2c39d23bf3d8cd86173b
[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" "64bd645b9f4a54db6756f1fb6d69b2cb55d0f15789cf2c39d23bf3d8cd86173b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling alsa v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling midir v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling snafu-derive v0.4.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling snafu v0.4.1
[INFO] [stderr]    Compiling synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/midi_controller.rs:81:33
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     if let Some(name) = control_name(controller as usize) {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `triangle`
[INFO] [stderr]    --> src/synth.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 | fn triangle(freq: f64, t: f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.88s
[INFO] running `"docker" "inspect" "64bd645b9f4a54db6756f1fb6d69b2cb55d0f15789cf2c39d23bf3d8cd86173b"`
[INFO] running `"docker" "rm" "-f" "64bd645b9f4a54db6756f1fb6d69b2cb55d0f15789cf2c39d23bf3d8cd86173b"`
[INFO] [stdout] 64bd645b9f4a54db6756f1fb6d69b2cb55d0f15789cf2c39d23bf3d8cd86173b
[INFO] running `"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=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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d42012e690961f7d25947fcaecc6e8e46a6250767bca4003eb069eb871d5446c
[INFO] running `"docker" "start" "-a" "d42012e690961f7d25947fcaecc6e8e46a6250767bca4003eb069eb871d5446c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/midi_controller.rs:81:33
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     if let Some(name) = control_name(controller as usize) {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `triangle`
[INFO] [stderr]    --> src/synth.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 | fn triangle(freq: f64, t: f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "d42012e690961f7d25947fcaecc6e8e46a6250767bca4003eb069eb871d5446c"`
[INFO] running `"docker" "rm" "-f" "d42012e690961f7d25947fcaecc6e8e46a6250767bca4003eb069eb871d5446c"`
[INFO] [stdout] d42012e690961f7d25947fcaecc6e8e46a6250767bca4003eb069eb871d5446c
[INFO] running `"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=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" "+beta-2020-06-03" "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] 60439efe9a104c3009d1cb5b9690c25dcd9c6a759d21fe7d8d28c69785951434
[INFO] running `"docker" "start" "-a" "60439efe9a104c3009d1cb5b9690c25dcd9c6a759d21fe7d8d28c69785951434"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/midi_controller.rs:81:33
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     if let Some(name) = control_name(controller as usize) {
[INFO] [stderr]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `triangle`
[INFO] [stderr]    --> src/synth.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 | fn triangle(freq: f64, t: f64) -> f64 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synth-faaabd0a40d7aa39
[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 `"docker" "inspect" "60439efe9a104c3009d1cb5b9690c25dcd9c6a759d21fe7d8d28c69785951434"`
[INFO] running `"docker" "rm" "-f" "60439efe9a104c3009d1cb5b9690c25dcd9c6a759d21fe7d8d28c69785951434"`
[INFO] [stdout] 60439efe9a104c3009d1cb5b9690c25dcd9c6a759d21fe7d8d28c69785951434