[INFO] fetching crate rudoku-game 0.1.0...
[INFO] testing rudoku-game-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rudoku-game 0.1.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate rudoku-game 0.1.0 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 rudoku-game 0.1.0
[INFO] finished tweaking crates.io crate rudoku-game 0.1.0
[INFO] tweaked toml for crates.io crate rudoku-game 0.1.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate rudoku-game 0.1.0 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 either v1.6.0
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded box_drawing v0.1.2
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded rudoku-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] c948898a9ffa35f7018d66109e815edb7e65badf6699942a373ca54e010fa4b2
[INFO] running `Command { std: "docker" "start" "-a" "c948898a9ffa35f7018d66109e815edb7e65badf6699942a373ca54e010fa4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c948898a9ffa35f7018d66109e815edb7e65badf6699942a373ca54e010fa4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c948898a9ffa35f7018d66109e815edb7e65badf6699942a373ca54e010fa4b2", kill_on_drop: false }`
[INFO] [stdout] c948898a9ffa35f7018d66109e815edb7e65badf6699942a373ca54e010fa4b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 9442fea2bd749875e535aa4e9a48cb48190668ac9f8c3be81ee3345c7764a401
[INFO] running `Command { std: "docker" "start" "-a" "9442fea2bd749875e535aa4e9a48cb48190668ac9f8c3be81ee3345c7764a401", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling box_drawing v0.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling mio v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossterm v0.17.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rudoku-core v0.1.0
[INFO] [stderr]    Compiling rudoku-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `Command { std: "docker" "inspect" "9442fea2bd749875e535aa4e9a48cb48190668ac9f8c3be81ee3345c7764a401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9442fea2bd749875e535aa4e9a48cb48190668ac9f8c3be81ee3345c7764a401", kill_on_drop: false }`
[INFO] [stdout] 9442fea2bd749875e535aa4e9a48cb48190668ac9f8c3be81ee3345c7764a401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] f9b38d93fed769b5922f1fab4b3f0ef167ab204d8f987d0be0b962310b8fd06f
[INFO] running `Command { std: "docker" "start" "-a" "f9b38d93fed769b5922f1fab4b3f0ef167ab204d8f987d0be0b962310b8fd06f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rudoku-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "f9b38d93fed769b5922f1fab4b3f0ef167ab204d8f987d0be0b962310b8fd06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b38d93fed769b5922f1fab4b3f0ef167ab204d8f987d0be0b962310b8fd06f", kill_on_drop: false }`
[INFO] [stdout] f9b38d93fed769b5922f1fab4b3f0ef167ab204d8f987d0be0b962310b8fd06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 85ec9e4d04984b6993e5a0bd293a559bba9f0abfdd2f432a2ab457d7333e6dc1
[INFO] running `Command { std: "docker" "start" "-a" "85ec9e4d04984b6993e5a0bd293a559bba9f0abfdd2f432a2ab457d7333e6dc1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rudoku_game-3a356e979a8e27ff)
[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" "85ec9e4d04984b6993e5a0bd293a559bba9f0abfdd2f432a2ab457d7333e6dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ec9e4d04984b6993e5a0bd293a559bba9f0abfdd2f432a2ab457d7333e6dc1", kill_on_drop: false }`
[INFO] [stdout] 85ec9e4d04984b6993e5a0bd293a559bba9f0abfdd2f432a2ab457d7333e6dc1