[INFO] cloning repository https://github.com/wattaihei/sudoku-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wattaihei/sudoku-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattaihei%2Fsudoku-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattaihei%2Fsudoku-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 712863390985cfa9d8b398f14a595755e78abd97
[INFO] testing wattaihei/sudoku-rs against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattaihei%2Fsudoku-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wattaihei/sudoku-rs on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wattaihei/sudoku-rs
[INFO] finished tweaking git repo https://github.com/wattaihei/sudoku-rs
[INFO] tweaked toml for git repo https://github.com/wattaihei/sudoku-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wattaihei/sudoku-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e07de8896471fc21a88891e16548dea3aa9bad5e44fde0b6dd82b4580f6f7a4b
[INFO] running `Command { std: "docker" "start" "-a" "e07de8896471fc21a88891e16548dea3aa9bad5e44fde0b6dd82b4580f6f7a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e07de8896471fc21a88891e16548dea3aa9bad5e44fde0b6dd82b4580f6f7a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07de8896471fc21a88891e16548dea3aa9bad5e44fde0b6dd82b4580f6f7a4b", kill_on_drop: false }`
[INFO] [stdout] e07de8896471fc21a88891e16548dea3aa9bad5e44fde0b6dd82b4580f6f7a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ab2357a87d27e71f31f5c019f4700254b55a430d61b0d78a40025011f4958d
[INFO] running `Command { std: "docker" "start" "-a" "39ab2357a87d27e71f31f5c019f4700254b55a430d61b0d78a40025011f4958d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.22
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling version_check v0.9.2
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
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[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
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[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling match_cfg v0.1.0
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[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
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[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling httparse v1.3.4
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[INFO] [stderr]    Compiling opaque-debug v0.3.0
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[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling lock_api v0.4.1
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[INFO] [stderr]    Compiling miniz_oxide v0.4.2
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling url v2.1.1
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[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling actix-codec v0.3.0
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling actix-service v1.0.6
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling trust-dns-proto v0.19.5
[INFO] [stderr]    Compiling actix-utils v2.0.0
[INFO] [stderr]    Compiling actix-server v1.0.4
[INFO] [stderr]    Compiling actix-tls v2.0.0
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.5
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling actix-router v0.2.5
[INFO] [stderr]    Compiling actix-connect v2.0.0
[INFO] [stderr]    Compiling actix-http v2.0.0
[INFO] [stderr]    Compiling awc v2.0.0
[INFO] [stderr]    Compiling actix-web v3.0.2
[INFO] [stderr]    Compiling actix-cors v0.3.0
[INFO] [stderr]    Compiling sudoku-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 24s
[INFO] running `Command { std: "docker" "inspect" "39ab2357a87d27e71f31f5c019f4700254b55a430d61b0d78a40025011f4958d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ab2357a87d27e71f31f5c019f4700254b55a430d61b0d78a40025011f4958d", kill_on_drop: false }`
[INFO] [stdout] 39ab2357a87d27e71f31f5c019f4700254b55a430d61b0d78a40025011f4958d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4ca1d329760ff00acc3d92500a0f35e9a6550acbfef6bbff0b71f246d8f40b
[INFO] running `Command { std: "docker" "start" "-a" "2f4ca1d329760ff00acc3d92500a0f35e9a6550acbfef6bbff0b71f246d8f40b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "2f4ca1d329760ff00acc3d92500a0f35e9a6550acbfef6bbff0b71f246d8f40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4ca1d329760ff00acc3d92500a0f35e9a6550acbfef6bbff0b71f246d8f40b", kill_on_drop: false }`
[INFO] [stdout] 2f4ca1d329760ff00acc3d92500a0f35e9a6550acbfef6bbff0b71f246d8f40b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a052d01228e8a0d399f024226e15d57d52aa377be092c9f5db65dc86b5b580ba
[INFO] running `Command { std: "docker" "start" "-a" "a052d01228e8a0d399f024226e15d57d52aa377be092c9f5db65dc86b5b580ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_rs-9aba32caffa11946)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test core::test_stage1_1 ... ok
[INFO] [stdout] test core::test_level1_1 ... ok
[INFO] [stdout] test core::test_forcefully_1 ... ok
[INFO] [stdout] test core::test_ununique ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a052d01228e8a0d399f024226e15d57d52aa377be092c9f5db65dc86b5b580ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a052d01228e8a0d399f024226e15d57d52aa377be092c9f5db65dc86b5b580ba", kill_on_drop: false }`
[INFO] [stdout] a052d01228e8a0d399f024226e15d57d52aa377be092c9f5db65dc86b5b580ba