[INFO] cloning repository https://github.com/jacob-oreilly/quadtree_dev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacob-oreilly/quadtree_dev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacob-oreilly%2Fquadtree_dev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacob-oreilly%2Fquadtree_dev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d78cac6733544d258cceabe78afd5c297dfa757
[INFO] building jacob-oreilly/quadtree_dev 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%2Fjacob-oreilly%2Fquadtree_dev" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacob-oreilly/quadtree_dev 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/jacob-oreilly/quadtree_dev
[INFO] finished tweaking git repo https://github.com/jacob-oreilly/quadtree_dev
[INFO] tweaked toml for git repo https://github.com/jacob-oreilly/quadtree_dev written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jacob-oreilly/quadtree_dev 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 005b1e1fe394a838883a85cfc92ce037b0606e06df6f29c63bc8c7eca84949b0
[INFO] running `Command { std: "docker" "start" "-a" "005b1e1fe394a838883a85cfc92ce037b0606e06df6f29c63bc8c7eca84949b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "005b1e1fe394a838883a85cfc92ce037b0606e06df6f29c63bc8c7eca84949b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005b1e1fe394a838883a85cfc92ce037b0606e06df6f29c63bc8c7eca84949b0", kill_on_drop: false }`
[INFO] [stdout] 005b1e1fe394a838883a85cfc92ce037b0606e06df6f29c63bc8c7eca84949b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7d4a7cf060d0aa2ed30fa7d44d9546df050674363cfb86283c6ce7b10d9621ec
[INFO] running `Command { std: "docker" "start" "-a" "7d4a7cf060d0aa2ed30fa7d44d9546df050674363cfb86283c6ce7b10d9621ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling quadtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `top_left`
[INFO] [stdout]   --> src/quadtree.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let top_left = QuadTree::new(tl_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bottom_left`
[INFO] [stdout]   --> src/quadtree.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let bottom_left = QuadTree::new(bl_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bottom_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_right`
[INFO] [stdout]   --> src/quadtree.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let top_right = QuadTree::new(tr_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bottom_right`
[INFO] [stdout]   --> src/quadtree.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let bottom_right = QuadTree::new(br_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bottom_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "7d4a7cf060d0aa2ed30fa7d44d9546df050674363cfb86283c6ce7b10d9621ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4a7cf060d0aa2ed30fa7d44d9546df050674363cfb86283c6ce7b10d9621ec", kill_on_drop: false }`
[INFO] [stdout] 7d4a7cf060d0aa2ed30fa7d44d9546df050674363cfb86283c6ce7b10d9621ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 31d7d569cfb651fa0be8d7b3da78fb8e149f7f7cfd861385e34cec0a6e42addc
[INFO] running `Command { std: "docker" "start" "-a" "31d7d569cfb651fa0be8d7b3da78fb8e149f7f7cfd861385e34cec0a6e42addc", kill_on_drop: false }`
[INFO] [stderr]    Compiling quadtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `top_left`
[INFO] [stdout]   --> src/quadtree.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let top_left = QuadTree::new(tl_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bottom_left`
[INFO] [stdout]   --> src/quadtree.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let bottom_left = QuadTree::new(bl_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bottom_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_right`
[INFO] [stdout]   --> src/quadtree.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let top_right = QuadTree::new(tr_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_top_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bottom_right`
[INFO] [stdout]   --> src/quadtree.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let bottom_right = QuadTree::new(br_rec, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bottom_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "31d7d569cfb651fa0be8d7b3da78fb8e149f7f7cfd861385e34cec0a6e42addc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d7d569cfb651fa0be8d7b3da78fb8e149f7f7cfd861385e34cec0a6e42addc", kill_on_drop: false }`
[INFO] [stdout] 31d7d569cfb651fa0be8d7b3da78fb8e149f7f7cfd861385e34cec0a6e42addc