[INFO] fetching crate layout_engine 0.6.0...
[INFO] checking layout_engine-0.6.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate layout_engine 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate layout_engine 0.6.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate layout_engine 0.6.0
[INFO] finished tweaking crates.io crate layout_engine 0.6.0
[INFO] tweaked toml for crates.io crate layout_engine 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86e406df14d0a7d01f9c3513954c85b0fa29f61f206ebf56eed2b5eaca0bcd60
[INFO] running `Command { std: "docker" "start" "-a" "86e406df14d0a7d01f9c3513954c85b0fa29f61f206ebf56eed2b5eaca0bcd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e406df14d0a7d01f9c3513954c85b0fa29f61f206ebf56eed2b5eaca0bcd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e406df14d0a7d01f9c3513954c85b0fa29f61f206ebf56eed2b5eaca0bcd60", kill_on_drop: false }`
[INFO] [stdout] 86e406df14d0a7d01f9c3513954c85b0fa29f61f206ebf56eed2b5eaca0bcd60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1af3269d7485dc3bd612c58dee29731a9d99846afcebe05141bc121301ce5ec7
[INFO] running `Command { std: "docker" "start" "-a" "1af3269d7485dc3bd612c58dee29731a9d99846afcebe05141bc121301ce5ec7", kill_on_drop: false }`
[INFO] [stderr]     Checking layout_engine v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `auto_count_row`
[INFO] [stdout]    --> src/grid.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let (auto_count_row, frac_row, frac_row_total, fixed_row) =
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `auto_count_column`
[INFO] [stdout]    --> src/grid.rs:174:10
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let (auto_count_column, frac_column, frac_column_total, fixed_column) =
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rect`
[INFO] [stdout]    --> src/grid.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 260 |     rect: Rect,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_rect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `auto_count_row`
[INFO] [stdout]    --> src/grid.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let (auto_count_row, frac_row, frac_row_total, fixed_row) =
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `auto_count_column`
[INFO] [stdout]    --> src/grid.rs:174:10
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let (auto_count_column, frac_column, frac_column_total, fixed_column) =
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rect`
[INFO] [stdout]    --> src/grid.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 260 |     rect: Rect,
[INFO] [stdout]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_rect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "1af3269d7485dc3bd612c58dee29731a9d99846afcebe05141bc121301ce5ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af3269d7485dc3bd612c58dee29731a9d99846afcebe05141bc121301ce5ec7", kill_on_drop: false }`
[INFO] [stdout] 1af3269d7485dc3bd612c58dee29731a9d99846afcebe05141bc121301ce5ec7