[INFO] cloning repository https://github.com/sy3c4ll/midi_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sy3c4ll/midi_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsy3c4ll%2Fmidi_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsy3c4ll%2Fmidi_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85367ee77a679f020b929a18716a29d9f0ce29e8
[INFO] testing sy3c4ll/midi_practice against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsy3c4ll%2Fmidi_practice" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sy3c4ll/midi_practice
[INFO] finished tweaking git repo https://github.com/sy3c4ll/midi_practice
[INFO] tweaked toml for git repo https://github.com/sy3c4ll/midi_practice written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sy3c4ll/midi_practice on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sy3c4ll/midi_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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 midir v0.10.0
[INFO] [stderr]   Downloaded midly v0.5.3
[INFO] [stderr]   Downloaded coremidi-sys v3.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecbe27b39e263680da37891b7d26bc1450d3cd65d3811ca4a43079960d103f7b
[INFO] running `Command { std: "docker" "start" "-a" "ecbe27b39e263680da37891b7d26bc1450d3cd65d3811ca4a43079960d103f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecbe27b39e263680da37891b7d26bc1450d3cd65d3811ca4a43079960d103f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbe27b39e263680da37891b7d26bc1450d3cd65d3811ca4a43079960d103f7b", kill_on_drop: false }`
[INFO] [stdout] ecbe27b39e263680da37891b7d26bc1450d3cd65d3811ca4a43079960d103f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 961afc8f2fa5b54aea3c495f016b1fa3efd2bff62ee3615a6c43c889e1e747d0
[INFO] running `Command { std: "docker" "start" "-a" "961afc8f2fa5b54aea3c495f016b1fa3efd2bff62ee3615a6c43c889e1e747d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling alsa v0.9.0
[INFO] [stderr]    Compiling midly v0.5.3
[INFO] [stderr]    Compiling midir v0.10.0
[INFO] [stderr]    Compiling midi_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/score.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn to_track(&self) -> Track {
[INFO] [stdout]    |                     ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn to_track(&self) -> Track<'_> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/score.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_midi(&self) -> Smf {
[INFO] [stdout]     |                    ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_midi(&self) -> Smf<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "961afc8f2fa5b54aea3c495f016b1fa3efd2bff62ee3615a6c43c889e1e747d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961afc8f2fa5b54aea3c495f016b1fa3efd2bff62ee3615a6c43c889e1e747d0", kill_on_drop: false }`
[INFO] [stdout] 961afc8f2fa5b54aea3c495f016b1fa3efd2bff62ee3615a6c43c889e1e747d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f58f43be420b93e2d4c15c7a0ecfae643fddcc00b5c837561c68025f415ce09a
[INFO] running `Command { std: "docker" "start" "-a" "f58f43be420b93e2d4c15c7a0ecfae643fddcc00b5c837561c68025f415ce09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/score.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn to_track(&self) -> Track {
[INFO] [stdout]    |                     ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn to_track(&self) -> Track<'_> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/score.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_midi(&self) -> Smf {
[INFO] [stdout]     |                    ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_midi(&self) -> Smf<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/score.rs:96:21
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn to_track(&self) -> Track {
[INFO] [stdout]    |                     ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn to_track(&self) -> Track<'_> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/score.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_midi(&self) -> Smf {
[INFO] [stdout]     |                    ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_midi(&self) -> Smf<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f58f43be420b93e2d4c15c7a0ecfae643fddcc00b5c837561c68025f415ce09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58f43be420b93e2d4c15c7a0ecfae643fddcc00b5c837561c68025f415ce09a", kill_on_drop: false }`
[INFO] [stdout] f58f43be420b93e2d4c15c7a0ecfae643fddcc00b5c837561c68025f415ce09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f7276b2c7dcb55f5340f6161bbc19859dba07e7ff154974e958c1be6873d28b
[INFO] running `Command { std: "docker" "start" "-a" "3f7276b2c7dcb55f5340f6161bbc19859dba07e7ff154974e958c1be6873d28b", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/score.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn to_track(&self) -> Track {
[INFO] [stderr]    |                     ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn to_track(&self) -> Track<'_> {
[INFO] [stderr]    |                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/score.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn to_midi(&self) -> Smf {
[INFO] [stderr]     |                    ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn to_midi(&self) -> Smf<'_> {
[INFO] [stderr]     |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `midi_practice` (lib) generated 2 warnings
[INFO] [stderr] warning: `midi_practice` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/midi_practice-81d078f959eb35e6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/midi_practice-111d5a5ac2b00456)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests midi_practice
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f7276b2c7dcb55f5340f6161bbc19859dba07e7ff154974e958c1be6873d28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7276b2c7dcb55f5340f6161bbc19859dba07e7ff154974e958c1be6873d28b", kill_on_drop: false }`
[INFO] [stdout] 3f7276b2c7dcb55f5340f6161bbc19859dba07e7ff154974e958c1be6873d28b
