[INFO] fetching crate layout_engine 0.7.0...
[INFO] testing layout_engine-0.7.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate layout_engine 0.7.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate layout_engine 0.7.0
[INFO] finished tweaking crates.io crate layout_engine 0.7.0
[INFO] tweaked toml for crates.io crate layout_engine 0.7.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate layout_engine 0.7.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af24d0e68971356353e9746f1713c42695ff265ff1c5f1d973404521210f1ec
[INFO] running `Command { std: "docker" "start" "-a" "8af24d0e68971356353e9746f1713c42695ff265ff1c5f1d973404521210f1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af24d0e68971356353e9746f1713c42695ff265ff1c5f1d973404521210f1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af24d0e68971356353e9746f1713c42695ff265ff1c5f1d973404521210f1ec", kill_on_drop: false }`
[INFO] [stdout] 8af24d0e68971356353e9746f1713c42695ff265ff1c5f1d973404521210f1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bc782af480fa5b9530adc88a1244907d968476a7e7be7e0aa20d9c49e285236
[INFO] running `Command { std: "docker" "start" "-a" "0bc782af480fa5b9530adc88a1244907d968476a7e7be7e0aa20d9c49e285236", kill_on_drop: false }`
[INFO] [stderr]    Compiling layout_engine v0.7.0 (/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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "0bc782af480fa5b9530adc88a1244907d968476a7e7be7e0aa20d9c49e285236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc782af480fa5b9530adc88a1244907d968476a7e7be7e0aa20d9c49e285236", kill_on_drop: false }`
[INFO] [stdout] 0bc782af480fa5b9530adc88a1244907d968476a7e7be7e0aa20d9c49e285236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1c41766d38e2932c32564fd9daa44ffc77cf359780ccfdbc9b6404ab7624e3
[INFO] running `Command { std: "docker" "start" "-a" "9b1c41766d38e2932c32564fd9daa44ffc77cf359780ccfdbc9b6404ab7624e3", kill_on_drop: false }`
[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] [stderr]    Compiling layout_engine v0.7.0 (/opt/rustwide/workdir)
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "9b1c41766d38e2932c32564fd9daa44ffc77cf359780ccfdbc9b6404ab7624e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1c41766d38e2932c32564fd9daa44ffc77cf359780ccfdbc9b6404ab7624e3", kill_on_drop: false }`
[INFO] [stdout] 9b1c41766d38e2932c32564fd9daa44ffc77cf359780ccfdbc9b6404ab7624e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c6208217d37e50b44da89448aa2d4499534f8b356afd101f1e8da999bdda56a
[INFO] running `Command { std: "docker" "start" "-a" "6c6208217d37e50b44da89448aa2d4499534f8b356afd101f1e8da999bdda56a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `auto_count_row`
[INFO] [stdout] 
[INFO] [stderr]    --> src/grid.rs:171:10
[INFO] [stdout] running 5 tests
[INFO] [stderr]     |
[INFO] [stdout] test layout::rect::test::contains ... ok
[INFO] [stderr] 171 |     let (auto_count_row, frac_row, frac_row_total, fixed_row) =
[INFO] [stdout] test layout::rect::test::intersects ... ok
[INFO] [stderr]     |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_row`
[INFO] [stdout] test layout::rect::test::layout_info ... ok
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `auto_count_column`
[INFO] [stderr]    --> src/grid.rs:174:10
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let (auto_count_column, frac_column, frac_column_total, fixed_column) =
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rect`
[INFO] [stderr]    --> src/grid.rs:260:5
[INFO] [stderr]     |
[INFO] [stderr] 260 |     rect: Rect,
[INFO] [stderr]     |     ^^^^ help: if this is intentional, prefix it with an underscore: `_rect`
[INFO] [stderr] 
[INFO] [stderr] warning: `layout_engine` (lib) generated 3 warnings
[INFO] [stderr] warning: `layout_engine` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/layout_engine-0f542843d40b67ae)
[INFO] [stdout] test layout::rect::test::end ... ok
[INFO] [stdout] test layout::rect::test::new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests layout_engine
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c6208217d37e50b44da89448aa2d4499534f8b356afd101f1e8da999bdda56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6208217d37e50b44da89448aa2d4499534f8b356afd101f1e8da999bdda56a", kill_on_drop: false }`
[INFO] [stdout] 6c6208217d37e50b44da89448aa2d4499534f8b356afd101f1e8da999bdda56a