[INFO] cloning repository https://github.com/jackxbritton/cord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackxbritton/cord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackxbritton%2Fcord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackxbritton%2Fcord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a55bd50c197d8261865e27440579195e43bb3535
[INFO] testing jackxbritton/cord against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackxbritton%2Fcord" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackxbritton/cord on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jackxbritton/cord
[INFO] finished tweaking git repo https://github.com/jackxbritton/cord
[INFO] tweaked toml for git repo https://github.com/jackxbritton/cord written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jackxbritton/cord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jack-sys v0.2.2
[INFO] [stderr]   Downloaded jack v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e9a58ada5d4aff8af39146c927fd3148ae040ee1759a166c609302c2ca6556a
[INFO] running `Command { std: "docker" "start" "-a" "1e9a58ada5d4aff8af39146c927fd3148ae040ee1759a166c609302c2ca6556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9a58ada5d4aff8af39146c927fd3148ae040ee1759a166c609302c2ca6556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9a58ada5d4aff8af39146c927fd3148ae040ee1759a166c609302c2ca6556a", kill_on_drop: false }`
[INFO] [stdout] 1e9a58ada5d4aff8af39146c927fd3148ae040ee1759a166c609302c2ca6556a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04d3b02b8a22af95217bc563ce4a2d25cdb54fa9058c3e6bc348ac530f55101
[INFO] running `Command { std: "docker" "start" "-a" "c04d3b02b8a22af95217bc563ce4a2d25cdb54fa9058c3e6bc348ac530f55101", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling jack-sys v0.2.2
[INFO] [stderr]    Compiling jack v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling cord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `degrees`
[INFO] [stdout]    --> src/main.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn transpose(&mut self, degrees: i32) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_degrees`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]    --> src/main.rs:424:29
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 if let Some(steps) = self.tracks[*channel][*note as usize] {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]    --> src/main.rs:635:39
[INFO] [stdout]     |
[INFO] [stdout] 635 | ...                   .filter(|(note, notes)| notes.is_some())
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]    --> src/main.rs:654:39
[INFO] [stdout]     |
[INFO] [stdout] 654 | ...                   .filter(|(note, notes)| notes.is_some())
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "c04d3b02b8a22af95217bc563ce4a2d25cdb54fa9058c3e6bc348ac530f55101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04d3b02b8a22af95217bc563ce4a2d25cdb54fa9058c3e6bc348ac530f55101", kill_on_drop: false }`
[INFO] [stdout] c04d3b02b8a22af95217bc563ce4a2d25cdb54fa9058c3e6bc348ac530f55101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c0eeae9dc8b2f80ab4002fee44bfccc058ace976771a39559955757dc0334ac
[INFO] running `Command { std: "docker" "start" "-a" "2c0eeae9dc8b2f80ab4002fee44bfccc058ace976771a39559955757dc0334ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling cord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `degrees`
[INFO] [stdout]    --> src/main.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn transpose(&mut self, degrees: i32) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_degrees`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]    --> src/main.rs:424:29
[INFO] [stdout]     |
[INFO] [stdout] 424 |                 if let Some(steps) = self.tracks[*channel][*note as usize] {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]    --> src/main.rs:635:39
[INFO] [stdout]     |
[INFO] [stdout] 635 | ...                   .filter(|(note, notes)| notes.is_some())
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `note`
[INFO] [stdout]    --> src/main.rs:654:39
[INFO] [stdout]     |
[INFO] [stdout] 654 | ...                   .filter(|(note, notes)| notes.is_some())
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "2c0eeae9dc8b2f80ab4002fee44bfccc058ace976771a39559955757dc0334ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0eeae9dc8b2f80ab4002fee44bfccc058ace976771a39559955757dc0334ac", kill_on_drop: false }`
[INFO] [stdout] 2c0eeae9dc8b2f80ab4002fee44bfccc058ace976771a39559955757dc0334ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e05388ffd8010a3a9727000500925229d36037aaf27e1378c985dd67ed5b107b
[INFO] running `Command { std: "docker" "start" "-a" "e05388ffd8010a3a9727000500925229d36037aaf27e1378c985dd67ed5b107b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `degrees`
[INFO] [stderr]    --> src/main.rs:301:29
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn transpose(&mut self, degrees: i32) {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_degrees`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `steps`
[INFO] [stderr]    --> src/main.rs:424:29
[INFO] [stderr]     |
[INFO] [stderr] 424 |                 if let Some(steps) = self.tracks[*channel][*note as usize] {
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]    --> src/main.rs:635:39
[INFO] [stderr]     |
[INFO] [stderr] 635 | ...                   .filter(|(note, notes)| notes.is_some())
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `note`
[INFO] [stderr]    --> src/main.rs:654:39
[INFO] [stderr]     |
[INFO] [stderr] 654 | ...                   .filter(|(note, notes)| notes.is_some())
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_note`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cord-f144aae059121b24)
[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" "e05388ffd8010a3a9727000500925229d36037aaf27e1378c985dd67ed5b107b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05388ffd8010a3a9727000500925229d36037aaf27e1378c985dd67ed5b107b", kill_on_drop: false }`
[INFO] [stdout] e05388ffd8010a3a9727000500925229d36037aaf27e1378c985dd67ed5b107b