[INFO] cloning repository https://github.com/cheenar/Rusty-Polynomials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheenar/Rusty-Polynomials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheenar%2FRusty-Polynomials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheenar%2FRusty-Polynomials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0e7ca258891034083c1d726220e4bfe09009bb4
[INFO] checking cheenar/Rusty-Polynomials against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheenar%2FRusty-Polynomials" "/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/cheenar/Rusty-Polynomials on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cheenar/Rusty-Polynomials
[INFO] finished tweaking git repo https://github.com/cheenar/Rusty-Polynomials
[INFO] tweaked toml for git repo https://github.com/cheenar/Rusty-Polynomials written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cheenar/Rusty-Polynomials already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 242341de0f09adef032202302a88ba973a9dfabeaf8cd5edbe74c149e328cacf
[INFO] running `Command { std: "docker" "start" "-a" "242341de0f09adef032202302a88ba973a9dfabeaf8cd5edbe74c149e328cacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242341de0f09adef032202302a88ba973a9dfabeaf8cd5edbe74c149e328cacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242341de0f09adef032202302a88ba973a9dfabeaf8cd5edbe74c149e328cacf", kill_on_drop: false }`
[INFO] [stdout] 242341de0f09adef032202302a88ba973a9dfabeaf8cd5edbe74c149e328cacf
[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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 68503b3434eceed67d497e245e5201c1aa9b5d573c862f9a1f762f8ff4c721da
[INFO] running `Command { std: "docker" "start" "-a" "68503b3434eceed67d497e245e5201c1aa9b5d573c862f9a1f762f8ff4c721da", kill_on_drop: false }`
[INFO] [stderr]     Checking Polynomials v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Polynomials` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `polynomials`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Polynomials` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `polynomials`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "68503b3434eceed67d497e245e5201c1aa9b5d573c862f9a1f762f8ff4c721da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68503b3434eceed67d497e245e5201c1aa9b5d573c862f9a1f762f8ff4c721da", kill_on_drop: false }`
[INFO] [stdout] 68503b3434eceed67d497e245e5201c1aa9b5d573c862f9a1f762f8ff4c721da