[INFO] cloning repository https://github.com/Flinner/FlipTracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flinner/FlipTracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlinner%2FFlipTracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlinner%2FFlipTracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc60ba90d82f6072db48c78674d412375ab96dc4
[INFO] checking Flinner/FlipTracer against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlinner%2FFlipTracer" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Flinner/FlipTracer on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Flinner/FlipTracer
[INFO] finished tweaking git repo https://github.com/Flinner/FlipTracer
[INFO] tweaked toml for git repo https://github.com/Flinner/FlipTracer written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Flinner/FlipTracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44074eb46e0e9b4b8727e1a01060d74a453126c9b4e9f8f18f9b5a40b86b214b
[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" "44074eb46e0e9b4b8727e1a01060d74a453126c9b4e9f8f18f9b5a40b86b214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44074eb46e0e9b4b8727e1a01060d74a453126c9b4e9f8f18f9b5a40b86b214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44074eb46e0e9b4b8727e1a01060d74a453126c9b4e9f8f18f9b5a40b86b214b", kill_on_drop: false }`
[INFO] [stdout] 44074eb46e0e9b4b8727e1a01060d74a453126c9b4e9f8f18f9b5a40b86b214b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58f2e4fe5320f5547047a960f43c4b270305bb2480c0eb8d35713c7c231b4458
[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" "58f2e4fe5320f5547047a960f43c4b270305bb2480c0eb8d35713c7c231b4458", kill_on_drop: false }`
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FRAC_PI_3`
[INFO] [stdout]   --> src/bin/transperant.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::f64::consts::{FRAC_PI_2, FRAC_PI_3};
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FRAC_PI_3`
[INFO] [stdout]   --> src/bin/transperant.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::f64::consts::{FRAC_PI_2, FRAC_PI_3};
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "58f2e4fe5320f5547047a960f43c4b270305bb2480c0eb8d35713c7c231b4458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f2e4fe5320f5547047a960f43c4b270305bb2480c0eb8d35713c7c231b4458", kill_on_drop: false }`
[INFO] [stdout] 58f2e4fe5320f5547047a960f43c4b270305bb2480c0eb8d35713c7c231b4458