[INFO] cloning repository https://github.com/thomasbrueggemann/granularity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasbrueggemann/granularity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasbrueggemann%2Fgranularity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasbrueggemann%2Fgranularity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2140f500d71cbf4bedc4c99658f498fb0a3e25b
[INFO] checking thomasbrueggemann/granularity against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasbrueggemann%2Fgranularity" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasbrueggemann/granularity on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomasbrueggemann/granularity
[INFO] finished tweaking git repo https://github.com/thomasbrueggemann/granularity
[INFO] tweaked toml for git repo https://github.com/thomasbrueggemann/granularity written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasbrueggemann/granularity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded jni v0.18.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded ndk-glue v0.3.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded oboe v0.4.2
[INFO] [stderr]   Downloaded oboe-sys v0.4.2
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.8
[INFO] [stderr]   Downloaded combine v4.6.0
[INFO] [stderr]   Downloaded cpal v0.13.3
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded ringbuf v0.2.5
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10e31e6161335d906bf6d4b4e090d99f3c1452265fe662494ae401d251398c9c
[INFO] running `Command { std: "docker" "start" "-a" "10e31e6161335d906bf6d4b4e090d99f3c1452265fe662494ae401d251398c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e31e6161335d906bf6d4b4e090d99f3c1452265fe662494ae401d251398c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e31e6161335d906bf6d4b4e090d99f3c1452265fe662494ae401d251398c9c", kill_on_drop: false }`
[INFO] [stdout] 10e31e6161335d906bf6d4b4e090d99f3c1452265fe662494ae401d251398c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a4d2c1457858c62cdd0395e771782891740eac55ee2f3a812f2fa8dec8cf1f
[INFO] running `Command { std: "docker" "start" "-a" "64a4d2c1457858c62cdd0395e771782891740eac55ee2f3a812f2fa8dec8cf1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ringbuf v0.2.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]     Checking granularity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/main.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn get_host(opt: &Opt) -> cpal::Host {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]    --> src/main.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn get_host(opt: &Opt) -> cpal::Host {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_rate`
[INFO] [stdout]  --> src/delay.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sample_rate: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_delay_time`
[INFO] [stdout]   --> src/delay.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn set_delay_time(&mut self, t: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_feedback`
[INFO] [stdout]   --> src/delay.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn set_feedback(&mut self, f: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bypass`
[INFO] [stdout]   --> src/delay.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn bypass(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bypassing`
[INFO] [stdout]   --> src/delay.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn is_bypassing(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/overdrive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn name(&self) -> &str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bypass`
[INFO] [stdout]   --> src/overdrive.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn bypass(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bypassing`
[INFO] [stdout]   --> src/overdrive.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn is_bypassing(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sample_rate`
[INFO] [stdout]  --> src/delay.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sample_rate: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_delay_time`
[INFO] [stdout]   --> src/delay.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn set_delay_time(&mut self, t: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_feedback`
[INFO] [stdout]   --> src/delay.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn set_feedback(&mut self, f: f32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bypass`
[INFO] [stdout]   --> src/delay.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn bypass(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bypassing`
[INFO] [stdout]   --> src/delay.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn is_bypassing(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/overdrive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn name(&self) -> &str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bypass`
[INFO] [stdout]   --> src/overdrive.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn bypass(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bypassing`
[INFO] [stdout]   --> src/overdrive.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn is_bypassing(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "64a4d2c1457858c62cdd0395e771782891740eac55ee2f3a812f2fa8dec8cf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a4d2c1457858c62cdd0395e771782891740eac55ee2f3a812f2fa8dec8cf1f", kill_on_drop: false }`
[INFO] [stdout] 64a4d2c1457858c62cdd0395e771782891740eac55ee2f3a812f2fa8dec8cf1f