[INFO] cloning repository https://github.com/Jakob-Strobl/rust-ray-tracer-in-one-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jakob-Strobl/rust-ray-tracer-in-one-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakob-Strobl%2Frust-ray-tracer-in-one-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakob-Strobl%2Frust-ray-tracer-in-one-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b29a4a9eef5220944690ddd86f8dae47739a26f4
[INFO] testing Jakob-Strobl/rust-ray-tracer-in-one-weekend against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakob-Strobl%2Frust-ray-tracer-in-one-weekend" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jakob-Strobl/rust-ray-tracer-in-one-weekend 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/Jakob-Strobl/rust-ray-tracer-in-one-weekend
[INFO] finished tweaking git repo https://github.com/Jakob-Strobl/rust-ray-tracer-in-one-weekend
[INFO] tweaked toml for git repo https://github.com/Jakob-Strobl/rust-ray-tracer-in-one-weekend written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Jakob-Strobl/rust-ray-tracer-in-one-weekend 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9a5e442d8ceb50a1369e5b8787e27b23191353d5069ea9403efb143c3c4a7ec1
[INFO] running `Command { std: "docker" "start" "-a" "9a5e442d8ceb50a1369e5b8787e27b23191353d5069ea9403efb143c3c4a7ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5e442d8ceb50a1369e5b8787e27b23191353d5069ea9403efb143c3c4a7ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5e442d8ceb50a1369e5b8787e27b23191353d5069ea9403efb143c3c4a7ec1", kill_on_drop: false }`
[INFO] [stdout] 9a5e442d8ceb50a1369e5b8787e27b23191353d5069ea9403efb143c3c4a7ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b450b7aec114c34c2a259a7c32d6b01b101c5548d2435a7ba2946fb21eb475ce
[INFO] running `Command { std: "docker" "start" "-a" "b450b7aec114c34c2a259a7c32d6b01b101c5548d2435a7ba2946fb21eb475ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling raytracer-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::rt`
[INFO] [stdout]  --> src/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::rt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/lib.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/lib.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     point: vector::Vec3,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "b450b7aec114c34c2a259a7c32d6b01b101c5548d2435a7ba2946fb21eb475ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b450b7aec114c34c2a259a7c32d6b01b101c5548d2435a7ba2946fb21eb475ce", kill_on_drop: false }`
[INFO] [stdout] b450b7aec114c34c2a259a7c32d6b01b101c5548d2435a7ba2946fb21eb475ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 89195ae55df935cb186f057e9d95ce73309528fa40c7f0e02da82c018c4335d0
[INFO] running `Command { std: "docker" "start" "-a" "89195ae55df935cb186f057e9d95ce73309528fa40c7f0e02da82c018c4335d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling raytracer-in-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::rt`
[INFO] [stdout]  --> src/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::rt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/lib.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/lib.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     point: vector::Vec3,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rt`
[INFO] [stdout]  --> src/color.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::rt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/lib.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/lib.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `point`
[INFO] [stdout]  --> src/model.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     point: vector::Vec3,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "89195ae55df935cb186f057e9d95ce73309528fa40c7f0e02da82c018c4335d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89195ae55df935cb186f057e9d95ce73309528fa40c7f0e02da82c018c4335d0", kill_on_drop: false }`
[INFO] [stdout] 89195ae55df935cb186f057e9d95ce73309528fa40c7f0e02da82c018c4335d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 85b68274f161da49b7a9b3fbe4f1014f5434be21216fef93550a1b4b2ecec384
[INFO] running `Command { std: "docker" "start" "-a" "85b68274f161da49b7a9b3fbe4f1014f5434be21216fef93550a1b4b2ecec384", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::rt`
[INFO] [stderr]  --> src/color.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::rt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/lib.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sample`
[INFO] [stderr]   --> src/lib.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `point`
[INFO] [stderr]  --> src/model.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     point: vector::Vec3,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::rt`
[INFO] [stderr]  --> src/color.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::rt;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/lib.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sample`
[INFO] [stderr]   --> src/lib.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `point`
[INFO] [stderr]  --> src/model.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     point: vector::Vec3,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracer_in_one_weekend-b3160d784380ba0c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/raytracer_in_one_weekend-01f295efc9a5ebca)
[INFO] [stdout] running 23 tests
[INFO] [stdout] test color::tests::color_add ... ok
[INFO] [stdout] test color::tests::color_multiply ... ok
[INFO] [stdout] test color::tests::color_sub ... ok
[INFO] [stdout] test color::tests::color_to_string ... ok
[INFO] [stdout] test vector::tests::create_vector ... ok
[INFO] [stdout] test vector::tests::vector_add ... ok
[INFO] [stdout] test vector::tests::vector_length ... ok
[INFO] [stdout] test vector::tests::vector_multiply ... ok
[INFO] [stdout] test vector::tests::vector_negate ... ok
[INFO] [stdout] test vector::tests::vector_normalize ... ok
[INFO] [stdout] test vector::tests::vector_reference_add ... ok
[INFO] [stdout] test vector::tests::vector_reference_multiply ... ok
[INFO] [stdout] test vector::tests::vector_reference_negate ... ok
[INFO] [stdout] test vector::tests::vector_reference_scalar_division ... ok
[INFO] [stdout] test vector::tests::vector_reference_scalar_multiply ... ok
[INFO] [stdout] test vector::tests::vector_reference_sub ... ok
[INFO] [stdout] test vector::tests::vector_scalar_division ... ok
[INFO] [stdout] test vector::tests::vector_scalar_multiply ... ok
[INFO] [stdout] test vector::tests::vector_sub ... ok
[INFO] [stdout] test color::tests::color_scalar_multiply ... ok
[INFO] [stdout] test color::tests::color_scalar_division ... ok
[INFO] [stdout] test color::tests::color_to_u8 ... ok
[INFO] [stdout] test color::tests::create_color ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests raytracer-in-one-weekend
[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] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |             for sample in (0..samples_per_pixel) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "85b68274f161da49b7a9b3fbe4f1014f5434be21216fef93550a1b4b2ecec384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b68274f161da49b7a9b3fbe4f1014f5434be21216fef93550a1b4b2ecec384", kill_on_drop: false }`
[INFO] [stdout] 85b68274f161da49b7a9b3fbe4f1014f5434be21216fef93550a1b4b2ecec384