[INFO] cloning repository https://github.com/tuzz/starlight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/starlight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fstarlight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fstarlight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40639c02fb48235a5100d96d87a5de3db511bf80
[INFO] building tuzz/starlight against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fstarlight" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/starlight on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/starlight
[INFO] finished tweaking git repo https://github.com/tuzz/starlight
[INFO] tweaked toml for git repo https://github.com/tuzz/starlight written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/starlight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 818207127e5f4977c182d04afeab987234012d4d5e42684fff0633a94101ecb6
[INFO] running `Command { std: "docker" "start" "-a" "818207127e5f4977c182d04afeab987234012d4d5e42684fff0633a94101ecb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "818207127e5f4977c182d04afeab987234012d4d5e42684fff0633a94101ecb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818207127e5f4977c182d04afeab987234012d4d5e42684fff0633a94101ecb6", kill_on_drop: false }`
[INFO] [stdout] 818207127e5f4977c182d04afeab987234012d4d5e42684fff0633a94101ecb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5554837b503d4fc9d69d653292b7a449f052c4cb0626296bcf6999eee3767766
[INFO] running `Command { std: "docker" "start" "-a" "5554837b503d4fc9d69d653292b7a449f052c4cb0626296bcf6999eee3767766", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling starlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `lerp` is never used
[INFO] [stdout]   --> src/vector/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Vector {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn lerp(&self, other: Self, t: f64) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/image/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Image {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn get(&self, x: usize, y: usize) -> Vector {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "5554837b503d4fc9d69d653292b7a449f052c4cb0626296bcf6999eee3767766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5554837b503d4fc9d69d653292b7a449f052c4cb0626296bcf6999eee3767766", kill_on_drop: false }`
[INFO] [stdout] 5554837b503d4fc9d69d653292b7a449f052c4cb0626296bcf6999eee3767766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cf6b769ffd094fcc261ae1df3ec76a987f3a0220a02479938865e71f4aa20eb
[INFO] running `Command { std: "docker" "start" "-a" "4cf6b769ffd094fcc261ae1df3ec76a987f3a0220a02479938865e71f4aa20eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling starlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/integrator/test.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let subject = Subject::new(camera());
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/integrator/test.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let subject = Subject::new(camera());
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/integrator/test.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let subject = Subject::new(camera());
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subject`
[INFO] [stdout]   --> src/integrator/test.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let subject = Subject::new(camera());
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `it_builds_an_image_with_a_two_dimensional_array_of_pixel_colors` is never used
[INFO] [stdout]  --> src/image/test.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn it_builds_an_image_with_a_two_dimensional_array_of_pixel_colors() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `it_sets_the_pixel_colors_to_black` is never used
[INFO] [stdout]   --> src/image/test.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn it_sets_the_pixel_colors_to_black() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `it_sets_the_color_of_a_pixel` is never used
[INFO] [stdout]   --> src/image/test.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn it_sets_the_color_of_a_pixel() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "4cf6b769ffd094fcc261ae1df3ec76a987f3a0220a02479938865e71f4aa20eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf6b769ffd094fcc261ae1df3ec76a987f3a0220a02479938865e71f4aa20eb", kill_on_drop: false }`
[INFO] [stdout] 4cf6b769ffd094fcc261ae1df3ec76a987f3a0220a02479938865e71f4aa20eb