[INFO] cloning repository https://github.com/BenCassidy33/AlgoTrees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenCassidy33/AlgoTrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenCassidy33%2FAlgoTrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenCassidy33%2FAlgoTrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63b3c7a99ee9830bdd82ee0ef87fec0bb5e678e5
[INFO] checking BenCassidy33/AlgoTrees/63b3c7a99ee9830bdd82ee0ef87fec0bb5e678e5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenCassidy33%2FAlgoTrees" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenCassidy33/AlgoTrees on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenCassidy33/AlgoTrees
[INFO] finished tweaking git repo https://github.com/BenCassidy33/AlgoTrees
[INFO] tweaked toml for git repo https://github.com/BenCassidy33/AlgoTrees written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BenCassidy33/AlgoTrees 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] effeaaa466f529791ac2c45bb090ac7c33b3dd62b1aa3154d344f89e64f415e6
[INFO] running `Command { std: "docker" "start" "-a" "effeaaa466f529791ac2c45bb090ac7c33b3dd62b1aa3154d344f89e64f415e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "effeaaa466f529791ac2c45bb090ac7c33b3dd62b1aa3154d344f89e64f415e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effeaaa466f529791ac2c45bb090ac7c33b3dd62b1aa3154d344f89e64f415e6", kill_on_drop: false }`
[INFO] [stdout] effeaaa466f529791ac2c45bb090ac7c33b3dd62b1aa3154d344f89e64f415e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c5c0c5dc95145144e59f7deb68ef58dddc03e92fc6cef2aba3a9e79135c530
[INFO] running `Command { std: "docker" "start" "-a" "55c5c0c5dc95145144e59f7deb68ef58dddc03e92fc6cef2aba3a9e79135c530", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Checking algotrees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "55c5c0c5dc95145144e59f7deb68ef58dddc03e92fc6cef2aba3a9e79135c530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c5c0c5dc95145144e59f7deb68ef58dddc03e92fc6cef2aba3a9e79135c530", kill_on_drop: false }`
[INFO] [stdout] 55c5c0c5dc95145144e59f7deb68ef58dddc03e92fc6cef2aba3a9e79135c530