[INFO] fetching crate grid_search_maze 0.2.1...
[INFO] testing grid_search_maze-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate grid_search_maze 0.2.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate grid_search_maze 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grid_search_maze 0.2.1
[INFO] finished tweaking crates.io crate grid_search_maze 0.2.1
[INFO] tweaked toml for crates.io crate grid_search_maze 0.2.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate grid_search_maze 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff76d9c6614fd93c5c8b12119761643bb4f3d6e0563cac36166a197b134a079d
[INFO] running `Command { std: "docker" "start" "-a" "ff76d9c6614fd93c5c8b12119761643bb4f3d6e0563cac36166a197b134a079d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff76d9c6614fd93c5c8b12119761643bb4f3d6e0563cac36166a197b134a079d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff76d9c6614fd93c5c8b12119761643bb4f3d6e0563cac36166a197b134a079d", kill_on_drop: false }`
[INFO] [stdout] ff76d9c6614fd93c5c8b12119761643bb4f3d6e0563cac36166a197b134a079d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64935ab22631c282486f8f0c25b895a6b9c9a1d7e6b4be2b2f3817c038b0ab57
[INFO] running `Command { std: "docker" "start" "-a" "64935ab22631c282486f8f0c25b895a6b9c9a1d7e6b4be2b2f3817c038b0ab57", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling coord_2d v0.3.2
[INFO] [stderr]    Compiling grid_2d v0.15.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling grid_search_maze v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.67s
[INFO] running `Command { std: "docker" "inspect" "64935ab22631c282486f8f0c25b895a6b9c9a1d7e6b4be2b2f3817c038b0ab57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64935ab22631c282486f8f0c25b895a6b9c9a1d7e6b4be2b2f3817c038b0ab57", kill_on_drop: false }`
[INFO] [stdout] 64935ab22631c282486f8f0c25b895a6b9c9a1d7e6b4be2b2f3817c038b0ab57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4e449609d2ca9879664922c5ffca80f9b11135f1b3590e369fd488163e297ce
[INFO] running `Command { std: "docker" "start" "-a" "c4e449609d2ca9879664922c5ffca80f9b11135f1b3590e369fd488163e297ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling grid_search_maze v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "c4e449609d2ca9879664922c5ffca80f9b11135f1b3590e369fd488163e297ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e449609d2ca9879664922c5ffca80f9b11135f1b3590e369fd488163e297ce", kill_on_drop: false }`
[INFO] [stdout] c4e449609d2ca9879664922c5ffca80f9b11135f1b3590e369fd488163e297ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3663476c4a48def5433a55a630938c0177fc0e0ec36a84f2d05a33744a30970
[INFO] running `Command { std: "docker" "start" "-a" "d3663476c4a48def5433a55a630938c0177fc0e0ec36a84f2d05a33744a30970", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grid_search_maze-2170fcc91001d767)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grid_search_maze-7f83df45af35ca91)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grid_search_maze
[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] [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" "d3663476c4a48def5433a55a630938c0177fc0e0ec36a84f2d05a33744a30970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3663476c4a48def5433a55a630938c0177fc0e0ec36a84f2d05a33744a30970", kill_on_drop: false }`
[INFO] [stdout] d3663476c4a48def5433a55a630938c0177fc0e0ec36a84f2d05a33744a30970