[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#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackxbritton%2Fcord" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackxbritton/cord on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-2/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd2dbc6a0378b7c605b5894357719f7b5515c47e773fe498a6302c40eebb7f7f
[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" "bd2dbc6a0378b7c605b5894357719f7b5515c47e773fe498a6302c40eebb7f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd2dbc6a0378b7c605b5894357719f7b5515c47e773fe498a6302c40eebb7f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2dbc6a0378b7c605b5894357719f7b5515c47e773fe498a6302c40eebb7f7f", kill_on_drop: false }`
[INFO] [stdout] bd2dbc6a0378b7c605b5894357719f7b5515c47e773fe498a6302c40eebb7f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", 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] c0fbda16fcf9bf6aeea63633c080cb0a6acada4de82fa677ecdea97059d785ff
[INFO] running `Command { std: "docker" "start" "-a" "c0fbda16fcf9bf6aeea63633c080cb0a6acada4de82fa677ecdea97059d785ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling numtoa v0.1.0
[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 bitflags v1.2.1
[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 jack-sys v0.2.2
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling jack v0.7.0
[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 17.28s
[INFO] running `Command { std: "docker" "inspect" "c0fbda16fcf9bf6aeea63633c080cb0a6acada4de82fa677ecdea97059d785ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fbda16fcf9bf6aeea63633c080cb0a6acada4de82fa677ecdea97059d785ff", kill_on_drop: false }`
[INFO] [stdout] c0fbda16fcf9bf6aeea63633c080cb0a6acada4de82fa677ecdea97059d785ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70db79b9a71212027beef2a8afb5cf87dde939e1b2e80c13ff0055924a497bf2
[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" "70db79b9a71212027beef2a8afb5cf87dde939e1b2e80c13ff0055924a497bf2", 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 1.30s
[INFO] running `Command { std: "docker" "inspect" "70db79b9a71212027beef2a8afb5cf87dde939e1b2e80c13ff0055924a497bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70db79b9a71212027beef2a8afb5cf87dde939e1b2e80c13ff0055924a497bf2", kill_on_drop: false }`
[INFO] [stdout] 70db79b9a71212027beef2a8afb5cf87dde939e1b2e80c13ff0055924a497bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee585b68f5f0be3d89ee2d11cbf52d3f2ada290068c85bf7dadc4e539cbdf519
[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" "ee585b68f5f0be3d89ee2d11cbf52d3f2ada290068c85bf7dadc4e539cbdf519", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `cord` (bin "cord" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cord-8b4b256e10085b80)
[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" "ee585b68f5f0be3d89ee2d11cbf52d3f2ada290068c85bf7dadc4e539cbdf519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee585b68f5f0be3d89ee2d11cbf52d3f2ada290068c85bf7dadc4e539cbdf519", kill_on_drop: false }`
[INFO] [stdout] ee585b68f5f0be3d89ee2d11cbf52d3f2ada290068c85bf7dadc4e539cbdf519