[INFO] cloning repository https://github.com/lrssnn/chord_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lrssnn/chord_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fchord_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fchord_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 872dcf33be3eada3f7c05de67120bd066b496f78
[INFO] testing lrssnn/chord_generator against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fchord_generator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lrssnn/chord_generator on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lrssnn/chord_generator
[INFO] finished tweaking git repo https://github.com/lrssnn/chord_generator
[INFO] tweaked toml for git repo https://github.com/lrssnn/chord_generator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lrssnn/chord_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4283059b16e27719f531deaddc4da8b1a169af04e6606c8420be6c6470f83cae
[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" "4283059b16e27719f531deaddc4da8b1a169af04e6606c8420be6c6470f83cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4283059b16e27719f531deaddc4da8b1a169af04e6606c8420be6c6470f83cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4283059b16e27719f531deaddc4da8b1a169af04e6606c8420be6c6470f83cae", kill_on_drop: false }`
[INFO] [stdout] 4283059b16e27719f531deaddc4da8b1a169af04e6606c8420be6c6470f83cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f36c5cdeb3965391c9c715dd4cf98e1dcf277389e9ddefcc408e811a2bf4c5
[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" "50f36c5cdeb3965391c9c715dd4cf98e1dcf277389e9ddefcc408e811a2bf4c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling chord_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `letter`
[INFO] [stdout]   --> src/note.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn letter(&self, flat:bool) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `major_scale`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn major_scale(r: Note) -> Vec<Note> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_flat_scale`
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn is_flat_scale(scale: &Vec<Note>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "50f36c5cdeb3965391c9c715dd4cf98e1dcf277389e9ddefcc408e811a2bf4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f36c5cdeb3965391c9c715dd4cf98e1dcf277389e9ddefcc408e811a2bf4c5", kill_on_drop: false }`
[INFO] [stdout] 50f36c5cdeb3965391c9c715dd4cf98e1dcf277389e9ddefcc408e811a2bf4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b22ff25d388e0772b9ff47d31e0425cd64c974628aeb90f60ea1a4ec2d2280
[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" "a2b22ff25d388e0772b9ff47d31e0425cd64c974628aeb90f60ea1a4ec2d2280", kill_on_drop: false }`
[INFO] [stderr]    Compiling chord_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `letter`
[INFO] [stdout]   --> src/note.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn letter(&self, flat:bool) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `major_scale`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn major_scale(r: Note) -> Vec<Note> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_flat_scale`
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn is_flat_scale(scale: &Vec<Note>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a2b22ff25d388e0772b9ff47d31e0425cd64c974628aeb90f60ea1a4ec2d2280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b22ff25d388e0772b9ff47d31e0425cd64c974628aeb90f60ea1a4ec2d2280", kill_on_drop: false }`
[INFO] [stdout] a2b22ff25d388e0772b9ff47d31e0425cd64c974628aeb90f60ea1a4ec2d2280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a26ff3588fe4fe4d01ceb9583982267d766fc8050c1411a11c7087ee09d6d350
[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" "a26ff3588fe4fe4d01ceb9583982267d766fc8050c1411a11c7087ee09d6d350", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `letter`
[INFO] [stderr]   --> src/note.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn letter(&self, flat:bool) -> String {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `major_scale`
[INFO] [stderr]   --> src/main.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn major_scale(r: Note) -> Vec<Note> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_flat_scale`
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn is_flat_scale(scale: &Vec<Note>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chord_generator-f2eb89cd1c0c2830
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a26ff3588fe4fe4d01ceb9583982267d766fc8050c1411a11c7087ee09d6d350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26ff3588fe4fe4d01ceb9583982267d766fc8050c1411a11c7087ee09d6d350", kill_on_drop: false }`
[INFO] [stdout] a26ff3588fe4fe4d01ceb9583982267d766fc8050c1411a11c7087ee09d6d350