[INFO] fetching crate line_drawing 1.0.0...
[INFO] testing line_drawing-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate line_drawing 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate line_drawing 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate line_drawing 1.0.0
[INFO] finished tweaking crates.io crate line_drawing 1.0.0
[INFO] tweaked toml for crates.io crate line_drawing 1.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate line_drawing 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bresenham v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c8e516f296ff3645fdaeefa3b868d21b6d1f752b11644f9bf975965e40cd83
[INFO] running `Command { std: "docker" "start" "-a" "64c8e516f296ff3645fdaeefa3b868d21b6d1f752b11644f9bf975965e40cd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c8e516f296ff3645fdaeefa3b868d21b6d1f752b11644f9bf975965e40cd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c8e516f296ff3645fdaeefa3b868d21b6d1f752b11644f9bf975965e40cd83", kill_on_drop: false }`
[INFO] [stdout] 64c8e516f296ff3645fdaeefa3b868d21b6d1f752b11644f9bf975965e40cd83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d002772f554a282e5228f04bdf07d33513954a35c104cbe6f502c0787b0518c9
[INFO] running `Command { std: "docker" "start" "-a" "d002772f554a282e5228f04bdf07d33513954a35c104cbe6f502c0787b0518c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling line_drawing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "d002772f554a282e5228f04bdf07d33513954a35c104cbe6f502c0787b0518c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d002772f554a282e5228f04bdf07d33513954a35c104cbe6f502c0787b0518c9", kill_on_drop: false }`
[INFO] [stdout] d002772f554a282e5228f04bdf07d33513954a35c104cbe6f502c0787b0518c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eb6e72d64d5abc1024588c6fc9639712b848a7d3f5838fb5e7ed25c6780ff64
[INFO] running `Command { std: "docker" "start" "-a" "3eb6e72d64d5abc1024588c6fc9639712b848a7d3f5838fb5e7ed25c6780ff64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling bresenham v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling line_drawing v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "3eb6e72d64d5abc1024588c6fc9639712b848a7d3f5838fb5e7ed25c6780ff64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb6e72d64d5abc1024588c6fc9639712b848a7d3f5838fb5e7ed25c6780ff64", kill_on_drop: false }`
[INFO] [stdout] 3eb6e72d64d5abc1024588c6fc9639712b848a7d3f5838fb5e7ed25c6780ff64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84bd80066404eb4ff02c8897bdbd91a7dd9f0b4646762ced03de68a8e5050e4e
[INFO] running `Command { std: "docker" "start" "-a" "84bd80066404eb4ff02c8897bdbd91a7dd9f0b4646762ced03de68a8e5050e4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/line_drawing-47ad8588210de1c9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test bresenham::test ... ok
[INFO] [stdout] test bresenham_3d::tests ... ok
[INFO] [stdout] test grid_walking::supercover_tests ... ok
[INFO] [stdout] test grid_walking::walk_grid_tests ... ok
[INFO] [stdout] test fuzzing::bresenham_not_symmetrical - should panic ... ok
[INFO] [stdout] test fuzzing::bresenham_3d_not_symmetrical - should panic ... ok
[INFO] [stdout] test fuzzing::walk_voxels_symmetrical - should panic ... ok
[INFO] [stdout] test walk_voxels::tests ... ok
[INFO] [stdout] test midpoint::tests ... ok
[INFO] [stdout] test xiaolin_wu::tests ... ok
[INFO] [stdout] test steps::steps ... ok
[INFO] [stdout] test fuzzing::supercover_symmetrical ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests line_drawing
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/bresenham_3d.rs - bresenham_3d::Bresenham3d (line 11) ... ok
[INFO] [stdout] test src/grid_walking.rs - grid_walking::WalkGrid (line 13) ... ok
[INFO] [stdout] test src/bresenham.rs - bresenham::Bresenham (line 11) ... ok
[INFO] [stdout] test src/midpoint.rs - midpoint::Midpoint (line 11) ... ok
[INFO] [stdout] test src/grid_walking.rs - grid_walking::Supercover (line 94) ... ok
[INFO] [stdout] test src/bresenham_circle.rs - bresenham_circle::BresenhamCircle (line 10) ... ok
[INFO] [stdout] test src/xiaolin_wu.rs - xiaolin_wu::XiaolinWu (line 14) ... ok
[INFO] [stdout] test src/steps.rs - steps::Steps (line 10) ... ok
[INFO] [stdout] test src/walk_voxels.rs - walk_voxels::VoxelOrigin (line 20) ... ok
[INFO] [stdout] test src/walk_voxels.rs - walk_voxels::WalkVoxels (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84bd80066404eb4ff02c8897bdbd91a7dd9f0b4646762ced03de68a8e5050e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84bd80066404eb4ff02c8897bdbd91a7dd9f0b4646762ced03de68a8e5050e4e", kill_on_drop: false }`
[INFO] [stdout] 84bd80066404eb4ff02c8897bdbd91a7dd9f0b4646762ced03de68a8e5050e4e