[INFO] cloning repository https://github.com/llenotre/bayesian_optimization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llenotre/bayesian_optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllenotre%2Fbayesian_optimization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllenotre%2Fbayesian_optimization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3aaa3036720b3f5659be6dca92d8e051f53aa659
[INFO] testing llenotre/bayesian_optimization against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllenotre%2Fbayesian_optimization" "/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/llenotre/bayesian_optimization 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/llenotre/bayesian_optimization
[INFO] finished tweaking git repo https://github.com/llenotre/bayesian_optimization
[INFO] tweaked toml for git repo https://github.com/llenotre/bayesian_optimization written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/llenotre/bayesian_optimization 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] 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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37e2334b60a8d8842b704987f210487842ffcf651019516e92d24f4ec77ae06d
[INFO] running `Command { std: "docker" "start" "-a" "37e2334b60a8d8842b704987f210487842ffcf651019516e92d24f4ec77ae06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e2334b60a8d8842b704987f210487842ffcf651019516e92d24f4ec77ae06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e2334b60a8d8842b704987f210487842ffcf651019516e92d24f4ec77ae06d", kill_on_drop: false }`
[INFO] [stdout] 37e2334b60a8d8842b704987f210487842ffcf651019516e92d24f4ec77ae06d
[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" "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] 27a9c2cc07efe64fa854d6cd9d22040308200961442c84919f8e36d0f09aa605
[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" "27a9c2cc07efe64fa854d6cd9d22040308200961442c84919f8e36d0f09aa605", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leonhard v0.1.0 (https://github.com/llenotre/leonhard#23fef51b)
[INFO] [stderr]    Compiling bayesian_optimization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mean`
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let mean = compute_mean(&data, x.clone());
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_mean`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `std_deviation`
[INFO] [stdout]    --> src/main.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let std_deviation = compute_std_deviation(&data, x.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_std_deviation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gradient_descent`
[INFO] [stdout]   --> src/bfgs.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn gradient_descent<A>(mut x: Vector::<f64>, gradient: A, step_size: f64, max_steps: usize)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let A = delta / std_deviation;
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F_x` should have a snake case name
[INFO] [stdout]   --> src/normal.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let F_x = integral_constant * util::erf((mean - x) / 2_f64.sqrt() * std_deviation);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `f_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F_minus_inf` should have a snake case name
[INFO] [stdout]   --> src/normal.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let F_minus_inf = integral_constant * 1.; // `1` is the limit of erf(x) for x -> +inf
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `f_minus_inf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "27a9c2cc07efe64fa854d6cd9d22040308200961442c84919f8e36d0f09aa605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a9c2cc07efe64fa854d6cd9d22040308200961442c84919f8e36d0f09aa605", kill_on_drop: false }`
[INFO] [stdout] 27a9c2cc07efe64fa854d6cd9d22040308200961442c84919f8e36d0f09aa605
[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" "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] 6f0389db9ba571eb3680b4330162ab800836f5d4218e155e5910c54552710048
[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" "6f0389db9ba571eb3680b4330162ab800836f5d4218e155e5910c54552710048", kill_on_drop: false }`
[INFO] [stderr]    Compiling bayesian_optimization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mean`
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let mean = compute_mean(&data, x.clone());
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_mean`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `std_deviation`
[INFO] [stdout]    --> src/main.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let std_deviation = compute_std_deviation(&data, x.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_std_deviation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gradient_descent`
[INFO] [stdout]   --> src/bfgs.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn gradient_descent<A>(mut x: Vector::<f64>, gradient: A, step_size: f64, max_steps: usize)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let A = delta / std_deviation;
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F_x` should have a snake case name
[INFO] [stdout]   --> src/normal.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let F_x = integral_constant * util::erf((mean - x) / 2_f64.sqrt() * std_deviation);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `f_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `F_minus_inf` should have a snake case name
[INFO] [stdout]   --> src/normal.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let F_minus_inf = integral_constant * 1.; // `1` is the limit of erf(x) for x -> +inf
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `f_minus_inf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6f0389db9ba571eb3680b4330162ab800836f5d4218e155e5910c54552710048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0389db9ba571eb3680b4330162ab800836f5d4218e155e5910c54552710048", kill_on_drop: false }`
[INFO] [stdout] 6f0389db9ba571eb3680b4330162ab800836f5d4218e155e5910c54552710048
[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" "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] 1abe6f7bef4cfbd908bf9860d8f5f7408d6960274477840dbf99ac317601d108
[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" "1abe6f7bef4cfbd908bf9860d8f5f7408d6960274477840dbf99ac317601d108", 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] warning: unused variable: `mean`
[INFO] [stderr]    --> src/main.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let mean = compute_mean(&data, x.clone());
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_mean`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `std_deviation`
[INFO] [stderr]    --> src/main.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let std_deviation = compute_std_deviation(&data, x.clone());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_std_deviation`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gradient_descent`
[INFO] [stderr]   --> src/bfgs.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn gradient_descent<A>(mut x: Vector::<f64>, gradient: A, step_size: f64, max_steps: usize)
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> src/main.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let A = delta / std_deviation;
[INFO] [stderr]    |                 ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F_x` should have a snake case name
[INFO] [stderr]   --> src/normal.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let F_x = integral_constant * util::erf((mean - x) / 2_f64.sqrt() * std_deviation);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `f_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `F_minus_inf` should have a snake case name
[INFO] [stderr]   --> src/normal.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let F_minus_inf = integral_constant * 1.; // `1` is the limit of erf(x) for x -> +inf
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `f_minus_inf`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bayesian_optimization-3094ccacb43c1552)
[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" "1abe6f7bef4cfbd908bf9860d8f5f7408d6960274477840dbf99ac317601d108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abe6f7bef4cfbd908bf9860d8f5f7408d6960274477840dbf99ac317601d108", kill_on_drop: false }`
[INFO] [stdout] 1abe6f7bef4cfbd908bf9860d8f5f7408d6960274477840dbf99ac317601d108