[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] testing kierdavis/avril against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkierdavis%2Favril" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kierdavis/avril on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-10/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded midi v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eff62e40daa94b6a6a92c37afbaab6c039a058c2bc7458d1ba9cc6d3cc0d58a
[INFO] running `Command { std: "docker" "start" "-a" "2eff62e40daa94b6a6a92c37afbaab6c039a058c2bc7458d1ba9cc6d3cc0d58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eff62e40daa94b6a6a92c37afbaab6c039a058c2bc7458d1ba9cc6d3cc0d58a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eff62e40daa94b6a6a92c37afbaab6c039a058c2bc7458d1ba9cc6d3cc0d58a", kill_on_drop: false }`
[INFO] [stdout] 2eff62e40daa94b6a6a92c37afbaab6c039a058c2bc7458d1ba9cc6d3cc0d58a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878e1c3eef61ff3605edbf40b4a46311e424dcbcc24522c80c78dd9f1eccd423
[INFO] running `Command { std: "docker" "start" "-a" "878e1c3eef61ff3605edbf40b4a46311e424dcbcc24522c80c78dd9f1eccd423", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling midi v0.1.0
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling 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: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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.93s
[INFO] running `Command { std: "docker" "inspect" "878e1c3eef61ff3605edbf40b4a46311e424dcbcc24522c80c78dd9f1eccd423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878e1c3eef61ff3605edbf40b4a46311e424dcbcc24522c80c78dd9f1eccd423", kill_on_drop: false }`
[INFO] [stdout] 878e1c3eef61ff3605edbf40b4a46311e424dcbcc24522c80c78dd9f1eccd423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9f9eba58f64e8313c5dfed5aa815d426d8fd959f0747749369d97abec7c485
[INFO] running `Command { std: "docker" "start" "-a" "ef9f9eba58f64e8313c5dfed5aa815d426d8fd959f0747749369d97abec7c485", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "ef9f9eba58f64e8313c5dfed5aa815d426d8fd959f0747749369d97abec7c485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9f9eba58f64e8313c5dfed5aa815d426d8fd959f0747749369d97abec7c485", kill_on_drop: false }`
[INFO] [stdout] ef9f9eba58f64e8313c5dfed5aa815d426d8fd959f0747749369d97abec7c485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c58e97fe71f1d645cccded75c8fa12d9507f96a8b81b548faeb0adbb5c75a6c
[INFO] running `Command { std: "docker" "start" "-a" "8c58e97fe71f1d645cccded75c8fa12d9507f96a8b81b548faeb0adbb5c75a6c", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `delay`
[INFO] [stderr]   --> src/stream.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |   pub fn delay(self, duration: Duration) -> Self {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `drop`
[INFO] [stderr]   --> src/stream.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |   pub fn drop(self, duration: Duration) -> Self {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `major`
[INFO] [stderr]    --> src/theory.rs:183:10
[INFO] [stderr]     |
[INFO] [stderr] 183 |   pub fn major(tonic: Note) -> Self {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `offset_tonic`
[INFO] [stderr]    --> src/theory.rs:201:10
[INFO] [stderr]     |
[INFO] [stderr] 201 |   pub fn offset_tonic(self, scale_steps: i64) -> Self {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `constant`
[INFO] [stderr]   --> src/var.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub fn constant(value: T) -> Self {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `avril` (bin "avril" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/avril-d0fe62c5a11e80b2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test theory::test_scale ... ok
[INFO] [stdout] test theory::test_key ... ok
[INFO] [stdout] test theory::test_note ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c58e97fe71f1d645cccded75c8fa12d9507f96a8b81b548faeb0adbb5c75a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c58e97fe71f1d645cccded75c8fa12d9507f96a8b81b548faeb0adbb5c75a6c", kill_on_drop: false }`
[INFO] [stdout] 8c58e97fe71f1d645cccded75c8fa12d9507f96a8b81b548faeb0adbb5c75a6c