[INFO] cloning repository https://github.com/orlp/softsynth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/orlp/softsynth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsoftsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsoftsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 288516af2f4ffdc9d8e99f93aacbd4a61f6a3bb2
[INFO] checking orlp/softsynth against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forlp%2Fsoftsynth" "/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/orlp/softsynth on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/orlp/softsynth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded coremidi v0.3.0
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded clang-sys v0.21.2
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded cexpr v0.2.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded bindgen v0.32.3
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded which v1.0.5
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded cpal v0.10.0
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded snafu-derive v0.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded snafu v0.4.1
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded alsa-sys v0.1.1
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded backtrace v0.3.12
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded alsa v0.2.0
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b16afe17a0237af0663233c77cb7c2fc0dfaed32f447a980280cc5596eda1b66
[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" "b16afe17a0237af0663233c77cb7c2fc0dfaed32f447a980280cc5596eda1b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b16afe17a0237af0663233c77cb7c2fc0dfaed32f447a980280cc5596eda1b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16afe17a0237af0663233c77cb7c2fc0dfaed32f447a980280cc5596eda1b66", kill_on_drop: false }`
[INFO] [stdout] b16afe17a0237af0663233c77cb7c2fc0dfaed32f447a980280cc5596eda1b66
[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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f37873e26d42c1a2bbd58e6ddfadaa4cf559adddd0f5f6ec6ca7ec3f50572b8
[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" "3f37873e26d42c1a2bbd58e6ddfadaa4cf559adddd0f5f6ec6ca7ec3f50572b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking alsa v0.2.0
[INFO] [stderr]     Checking 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]     Checking failure v0.1.5
[INFO] [stderr]     Checking snafu v0.4.1
[INFO] [stderr]     Checking synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/midi_controller.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     if let Some(name) = control_name(controller as usize) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/midi_controller.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     if let Some(name) = control_name(controller as usize) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `triangle`
[INFO] [stdout]    --> src/synth.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn triangle(freq: f64, t: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `triangle`
[INFO] [stdout]    --> src/synth.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn triangle(freq: f64, t: f64) -> f64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.84s
[INFO] running `Command { std: "docker" "inspect" "3f37873e26d42c1a2bbd58e6ddfadaa4cf559adddd0f5f6ec6ca7ec3f50572b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f37873e26d42c1a2bbd58e6ddfadaa4cf559adddd0f5f6ec6ca7ec3f50572b8", kill_on_drop: false }`
[INFO] [stdout] 3f37873e26d42c1a2bbd58e6ddfadaa4cf559adddd0f5f6ec6ca7ec3f50572b8