[INFO] cloning repository https://github.com/kierdavis/avril
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kierdavis/avril" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkierdavis%2Favril", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkierdavis%2Favril'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b570237039dc8f04cc839799454fcd22ffda9e2
[INFO] checking kierdavis/avril against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkierdavis%2Favril" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kierdavis/avril on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kierdavis/avril
[INFO] finished tweaking git repo https://github.com/kierdavis/avril
[INFO] tweaked toml for git repo https://github.com/kierdavis/avril written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kierdavis/avril already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded midi v0.1.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e73902ebd955ae54293c76cd512f52d81c6118755a7282270091fff7adfb08e
[INFO] running `Command { std: "docker" "start" "-a" "8e73902ebd955ae54293c76cd512f52d81c6118755a7282270091fff7adfb08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e73902ebd955ae54293c76cd512f52d81c6118755a7282270091fff7adfb08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e73902ebd955ae54293c76cd512f52d81c6118755a7282270091fff7adfb08e", kill_on_drop: false }`
[INFO] [stdout] 8e73902ebd955ae54293c76cd512f52d81c6118755a7282270091fff7adfb08e
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4b78493be17bedbc352ca247d79918cc5f868041a50c64eccd3e78f67f5924
[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" "ff4b78493be17bedbc352ca247d79918cc5f868041a50c64eccd3e78f67f5924", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking midi v0.1.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking avril v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `delay`
[INFO] [stdout]   --> src/stream.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn delay(self, duration: Duration) -> Self {
[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: `drop`
[INFO] [stdout]   --> src/stream.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |   pub fn drop(self, duration: Duration) -> Self {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `major`
[INFO] [stdout]    --> src/theory.rs:183:10
[INFO] [stdout]     |
[INFO] [stdout] 183 |   pub fn major(tonic: Note) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset_tonic`
[INFO] [stdout]    --> src/theory.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 |   pub fn offset_tonic(self, scale_steps: i64) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `constant`
[INFO] [stdout]   --> src/var.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn constant(value: T) -> Self {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delay`
[INFO] [stdout]   --> src/stream.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn delay(self, duration: Duration) -> Self {
[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: `drop`
[INFO] [stdout]   --> src/stream.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |   pub fn drop(self, duration: Duration) -> Self {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `major`
[INFO] [stdout]    --> src/theory.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |   pub fn major() -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `minor`
[INFO] [stdout]    --> src/theory.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 |   pub fn minor() -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `major`
[INFO] [stdout]    --> src/theory.rs:183:10
[INFO] [stdout]     |
[INFO] [stdout] 183 |   pub fn major(tonic: Note) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `minor`
[INFO] [stdout]    --> src/theory.rs:189:10
[INFO] [stdout]     |
[INFO] [stdout] 189 |   pub fn minor(tonic: Note) -> Self {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset_tonic`
[INFO] [stdout]    --> src/theory.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 |   pub fn offset_tonic(self, scale_steps: i64) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `constant`
[INFO] [stdout]   --> src/var.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |   pub fn constant(value: T) -> Self {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "ff4b78493be17bedbc352ca247d79918cc5f868041a50c64eccd3e78f67f5924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4b78493be17bedbc352ca247d79918cc5f868041a50c64eccd3e78f67f5924", kill_on_drop: false }`
[INFO] [stdout] ff4b78493be17bedbc352ca247d79918cc5f868041a50c64eccd3e78f67f5924