[INFO] fetching crate layout_engine 0.7.0...
[INFO] testing layout_engine-0.7.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate layout_engine 0.7.0 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate layout_engine 0.7.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9024724643d9d70f284292c06723a47d27e266115bd7f82745f2a7a92cb6e64
[INFO] running `Command { std: "docker" "start" "-a" "c9024724643d9d70f284292c06723a47d27e266115bd7f82745f2a7a92cb6e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9024724643d9d70f284292c06723a47d27e266115bd7f82745f2a7a92cb6e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9024724643d9d70f284292c06723a47d27e266115bd7f82745f2a7a92cb6e64", kill_on_drop: false }`
[INFO] [stdout] c9024724643d9d70f284292c06723a47d27e266115bd7f82745f2a7a92cb6e64
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d70b3f61fdab06499aa446bbe09c51c920cdaf5a059393e2a31646b17452503
[INFO] running `Command { std: "docker" "start" "-a" "8d70b3f61fdab06499aa446bbe09c51c920cdaf5a059393e2a31646b17452503", 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "8d70b3f61fdab06499aa446bbe09c51c920cdaf5a059393e2a31646b17452503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d70b3f61fdab06499aa446bbe09c51c920cdaf5a059393e2a31646b17452503", kill_on_drop: false }`
[INFO] [stdout] 8d70b3f61fdab06499aa446bbe09c51c920cdaf5a059393e2a31646b17452503
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5144d6160f2ff70703a1ede312bec3a3e1f51d4927c33af4deb35125b74ea192
[INFO] running `Command { std: "docker" "start" "-a" "5144d6160f2ff70703a1ede312bec3a3e1f51d4927c33af4deb35125b74ea192", 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] [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 0.36s
[INFO] running `Command { std: "docker" "inspect" "5144d6160f2ff70703a1ede312bec3a3e1f51d4927c33af4deb35125b74ea192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5144d6160f2ff70703a1ede312bec3a3e1f51d4927c33af4deb35125b74ea192", kill_on_drop: false }`
[INFO] [stdout] 5144d6160f2ff70703a1ede312bec3a3e1f51d4927c33af4deb35125b74ea192
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40330843a15012cea6d6e5158d2667437bd10e1d3698cc614587c52ae5d1ed59
[INFO] running `Command { std: "docker" "start" "-a" "40330843a15012cea6d6e5158d2667437bd10e1d3698cc614587c52ae5d1ed59", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `auto_count_row`
[INFO] [stderr]    --> src/grid.rs:171:10
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let (auto_count_row, frac_row, frac_row_total, fixed_row) =
[INFO] [stderr]     |          ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auto_count_row`
[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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/layout_engine-0f542843d40b67ae)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test layout::rect::test::intersects ... ok
[INFO] [stdout] test layout::rect::test::contains ... ok
[INFO] [stderr]    Doc-tests layout_engine
[INFO] [stdout] test layout::rect::test::new ... ok
[INFO] [stdout] test layout::rect::test::end ... ok
[INFO] [stdout] test layout::rect::test::layout_info ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "40330843a15012cea6d6e5158d2667437bd10e1d3698cc614587c52ae5d1ed59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40330843a15012cea6d6e5158d2667437bd10e1d3698cc614587c52ae5d1ed59", kill_on_drop: false }`
[INFO] [stdout] 40330843a15012cea6d6e5158d2667437bd10e1d3698cc614587c52ae5d1ed59