[INFO] cloning repository https://github.com/mashiro-no-rabo/ray-tracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mashiro-no-rabo/ray-tracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashiro-no-rabo%2Fray-tracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmashiro-no-rabo%2Fray-tracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6edde08ad753c0e7f54b24fd35dcbb5bd632db4d
[INFO] building mashiro-no-rabo/ray-tracer-challenge 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%2Fmashiro-no-rabo%2Fray-tracer-challenge" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mashiro-no-rabo/ray-tracer-challenge 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/mashiro-no-rabo/ray-tracer-challenge
[INFO] finished tweaking git repo https://github.com/mashiro-no-rabo/ray-tracer-challenge
[INFO] tweaked toml for git repo https://github.com/mashiro-no-rabo/ray-tracer-challenge written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mashiro-no-rabo/ray-tracer-challenge 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6140495be52a6d8b7147a548d30cf6e499cab1539dc5a458862697748a7fe819
[INFO] running `Command { std: "docker" "start" "-a" "6140495be52a6d8b7147a548d30cf6e499cab1539dc5a458862697748a7fe819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6140495be52a6d8b7147a548d30cf6e499cab1539dc5a458862697748a7fe819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6140495be52a6d8b7147a548d30cf6e499cab1539dc5a458862697748a7fe819", kill_on_drop: false }`
[INFO] [stdout] 6140495be52a6d8b7147a548d30cf6e499cab1539dc5a458862697748a7fe819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] df7856d39b8b0c05f8dc998df00430246f0271c39cf63b4c9a7cbbad265090d8
[INFO] running `Command { std: "docker" "start" "-a" "df7856d39b8b0c05f8dc998df00430246f0271c39cf63b4c9a7cbbad265090d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling rtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `sub` is never used
[INFO] [stdout]  --> src/tuples/operations.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait TupleOperations {
[INFO] [stdout]   |           --------------- method in this trait
[INFO] [stdout] 2 |   fn add(&self, other: &Self) -> Self;
[INFO] [stdout] 3 |   fn sub(&self, other: &Self) -> Self;
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.64s
[INFO] running `Command { std: "docker" "inspect" "df7856d39b8b0c05f8dc998df00430246f0271c39cf63b4c9a7cbbad265090d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7856d39b8b0c05f8dc998df00430246f0271c39cf63b4c9a7cbbad265090d8", kill_on_drop: false }`
[INFO] [stdout] df7856d39b8b0c05f8dc998df00430246f0271c39cf63b4c9a7cbbad265090d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e55ed7ceb5166f4dc50b8ede674a6aa841a50367fcef3ac25f160e2f5c18c7e5
[INFO] running `Command { std: "docker" "start" "-a" "e55ed7ceb5166f4dc50b8ede674a6aa841a50367fcef3ac25f160e2f5c18c7e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "e55ed7ceb5166f4dc50b8ede674a6aa841a50367fcef3ac25f160e2f5c18c7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55ed7ceb5166f4dc50b8ede674a6aa841a50367fcef3ac25f160e2f5c18c7e5", kill_on_drop: false }`
[INFO] [stdout] e55ed7ceb5166f4dc50b8ede674a6aa841a50367fcef3ac25f160e2f5c18c7e5