[INFO] cloning repository https://github.com/Lamatte/parrot-refactoring-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lamatte/parrot-refactoring-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLamatte%2Fparrot-refactoring-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLamatte%2Fparrot-refactoring-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c782d733691e1ef7e09fdf15a56e9aceba973cae
[INFO] testing Lamatte/parrot-refactoring-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLamatte%2Fparrot-refactoring-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lamatte/parrot-refactoring-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lamatte/parrot-refactoring-rust
[INFO] finished tweaking git repo https://github.com/Lamatte/parrot-refactoring-rust
[INFO] tweaked toml for git repo https://github.com/Lamatte/parrot-refactoring-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Lamatte/parrot-refactoring-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02b5cfb045cd33f41190eacb68e08176618c1036096dcac927c6c8733536dca8
[INFO] running `Command { std: "docker" "start" "-a" "02b5cfb045cd33f41190eacb68e08176618c1036096dcac927c6c8733536dca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02b5cfb045cd33f41190eacb68e08176618c1036096dcac927c6c8733536dca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b5cfb045cd33f41190eacb68e08176618c1036096dcac927c6c8733536dca8", kill_on_drop: false }`
[INFO] [stdout] 02b5cfb045cd33f41190eacb68e08176618c1036096dcac927c6c8733536dca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4f6579720ee664f47cdad99eddbd784890a95fc7cc775d33bedb183ee8c41a
[INFO] running `Command { std: "docker" "start" "-a" "bf4f6579720ee664f47cdad99eddbd784890a95fc7cc775d33bedb183ee8c41a", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Parrot`
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Parrot<'a> {
[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: `speed`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn speed(&self) -> Result<f32, &'static str> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_base_speed_for_voltage`
[INFO] [stdout]   --> src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn compute_base_speed_for_voltage(voltage: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_factor`
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn load_factor() -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `base_speed`
[INFO] [stdout]   --> src/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn base_speed() -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "bf4f6579720ee664f47cdad99eddbd784890a95fc7cc775d33bedb183ee8c41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4f6579720ee664f47cdad99eddbd784890a95fc7cc775d33bedb183ee8c41a", kill_on_drop: false }`
[INFO] [stdout] bf4f6579720ee664f47cdad99eddbd784890a95fc7cc775d33bedb183ee8c41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a0f6ba99e366d2b775fae027f57527cd5a3b2acbdf7b173a1d850e59c65a574
[INFO] running `Command { std: "docker" "start" "-a" "2a0f6ba99e366d2b775fae027f57527cd5a3b2acbdf7b173a1d850e59c65a574", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `Parrot`
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Parrot<'a> {
[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: `speed`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn speed(&self) -> Result<f32, &'static str> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `compute_base_speed_for_voltage`
[INFO] [stdout]   --> src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn compute_base_speed_for_voltage(voltage: f32) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_factor`
[INFO] [stdout]   --> src/lib.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn load_factor() -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `base_speed`
[INFO] [stdout]   --> src/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn base_speed() -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "2a0f6ba99e366d2b775fae027f57527cd5a3b2acbdf7b173a1d850e59c65a574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0f6ba99e366d2b775fae027f57527cd5a3b2acbdf7b173a1d850e59c65a574", kill_on_drop: false }`
[INFO] [stdout] 2a0f6ba99e366d2b775fae027f57527cd5a3b2acbdf7b173a1d850e59c65a574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7023600b06cee8722f9055f5a1171181d27186739c323de3835b04d4c61f81a9
[INFO] running `Command { std: "docker" "start" "-a" "7023600b06cee8722f9055f5a1171181d27186739c323de3835b04d4c61f81a9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: struct is never constructed: `Parrot`
[INFO] [stdout] running 7 tests
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stdout] test tests::african_parrot_speed_with_no_coconut ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::not_nailed_norwegian_blue_parrot_with_high_voltage ... ok
[INFO] [stderr] 1 | struct Parrot<'a> {
[INFO] [stdout] test tests::nailed_norwegian_blue_parrot ... ok
[INFO] [stderr]   |        ^^^^^^
[INFO] [stdout] test tests::not_nailed_norwegian_blue_parrot ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::european_parrot_speed ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test tests::african_parrot_speed_with_two_coconut ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::african_parrot_speed_with_one_coconut ... ok
[INFO] [stderr] warning: associated function is never used: `speed`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 9 |     pub fn speed(&self) -> Result<f32, &'static str> {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_base_speed_for_voltage`
[INFO] [stderr]   --> src/lib.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn compute_base_speed_for_voltage(voltage: f32) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_factor`
[INFO] [stderr]   --> src/lib.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn load_factor() -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `base_speed`
[INFO] [stderr]   --> src/lib.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn base_speed() -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Rust-f871e7d4c07ad82e)
[INFO] [stderr]    Doc-tests Rust
[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" "7023600b06cee8722f9055f5a1171181d27186739c323de3835b04d4c61f81a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7023600b06cee8722f9055f5a1171181d27186739c323de3835b04d4c61f81a9", kill_on_drop: false }`
[INFO] [stdout] 7023600b06cee8722f9055f5a1171181d27186739c323de3835b04d4c61f81a9