[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 master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsoftsynth" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orlp/softsynth on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-8/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" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 7dcb9692c6228c1e075ec451cd2def8a22a904ce9afeb0fd7d00bb8fff859f64
[INFO] running `"docker" "start" "-a" "7dcb9692c6228c1e075ec451cd2def8a22a904ce9afeb0fd7d00bb8fff859f64"`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling alsa v0.2.0
[INFO] [stderr]    Compiling midir v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[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 43.33s
[INFO] running `"docker" "inspect" "7dcb9692c6228c1e075ec451cd2def8a22a904ce9afeb0fd7d00bb8fff859f64"`
[INFO] running `"docker" "rm" "-f" "7dcb9692c6228c1e075ec451cd2def8a22a904ce9afeb0fd7d00bb8fff859f64"`
[INFO] [stdout] 7dcb9692c6228c1e075ec451cd2def8a22a904ce9afeb0fd7d00bb8fff859f64
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 0cac08786d41e91c7b74d984d3906d06ec4ae1ae7e7090202217a7f3c2019624
[INFO] running `"docker" "start" "-a" "0cac08786d41e91c7b74d984d3906d06ec4ae1ae7e7090202217a7f3c2019624"`
[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 1.73s
[INFO] running `"docker" "inspect" "0cac08786d41e91c7b74d984d3906d06ec4ae1ae7e7090202217a7f3c2019624"`
[INFO] running `"docker" "rm" "-f" "0cac08786d41e91c7b74d984d3906d06ec4ae1ae7e7090202217a7f3c2019624"`
[INFO] [stdout] 0cac08786d41e91c7b74d984d3906d06ec4ae1ae7e7090202217a7f3c2019624
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 8d00a22fc2e6469595bc6657da0df80c8bb8bd9778f9a1947d4b7944365f2549
[INFO] running `"docker" "start" "-a" "8d00a22fc2e6469595bc6657da0df80c8bb8bd9778f9a1947d4b7944365f2549"`
[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 0.46s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synth-3e22777f1ccde0bb
[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" "8d00a22fc2e6469595bc6657da0df80c8bb8bd9778f9a1947d4b7944365f2549"`
[INFO] running `"docker" "rm" "-f" "8d00a22fc2e6469595bc6657da0df80c8bb8bd9778f9a1947d4b7944365f2549"`
[INFO] [stdout] 8d00a22fc2e6469595bc6657da0df80c8bb8bd9778f9a1947d4b7944365f2549