[INFO] fetching crate sudoku-tui 0.2.0...
[INFO] testing sudoku-tui-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate sudoku-tui 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sudoku-tui 0.2.0
[INFO] finished tweaking crates.io crate sudoku-tui 0.2.0
[INFO] tweaked toml for crates.io crate sudoku-tui 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sudoku-tui 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sudoku-tui 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clock-core v0.0.7
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded standback v0.2.11
[INFO] [stderr]   Downloaded hhmmss v0.1.0
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded cursive v0.15.0
[INFO] [stderr]   Downloaded enum-map-derive v0.4.3
[INFO] [stderr]   Downloaded enumset_derive v0.5.0
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded enum-map v0.6.3
[INFO] [stderr]   Downloaded xi-unicode v0.2.1
[INFO] [stderr]   Downloaded mio v0.7.3
[INFO] [stderr]   Downloaded cursive_core v0.1.1
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded const-random v0.1.11
[INFO] [stderr]   Downloaded ahash v0.4.5
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded enumset v1.0.1
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded time v0.2.22
[INFO] [stderr]   Downloaded const-random-macro v0.1.11
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded base-x v0.2.6
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded sudoku v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7627c1dbbe1ef43c7d452dc2e92c9acb28fcb72e8aa92f377a2918547c1cec27
[INFO] running `Command { std: "docker" "start" "-a" "7627c1dbbe1ef43c7d452dc2e92c9acb28fcb72e8aa92f377a2918547c1cec27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7627c1dbbe1ef43c7d452dc2e92c9acb28fcb72e8aa92f377a2918547c1cec27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7627c1dbbe1ef43c7d452dc2e92c9acb28fcb72e8aa92f377a2918547c1cec27", kill_on_drop: false }`
[INFO] [stdout] 7627c1dbbe1ef43c7d452dc2e92c9acb28fcb72e8aa92f377a2918547c1cec27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30ffc93a8ac01adb262e33c65827878fc6e91be88aaffdeb0996d96a0db3655
[INFO] running `Command { std: "docker" "start" "-a" "c30ffc93a8ac01adb262e33c65827878fc6e91be88aaffdeb0996d96a0db3655", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling mio v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling const-random v0.1.11
[INFO] [stderr]    Compiling ahash v0.4.5
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossterm v0.17.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling sudoku v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling clock-core v0.0.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling enum-map v0.6.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]    Compiling hhmmss v0.1.0
[INFO] [stderr]    Compiling enumset v1.0.1
[INFO] [stderr]    Compiling cursive_core v0.1.1
[INFO] [stderr]    Compiling cursive v0.15.0
[INFO] [stderr]    Compiling sudoku-tui v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]   --> src/board.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `Command { std: "docker" "inspect" "c30ffc93a8ac01adb262e33c65827878fc6e91be88aaffdeb0996d96a0db3655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30ffc93a8ac01adb262e33c65827878fc6e91be88aaffdeb0996d96a0db3655", kill_on_drop: false }`
[INFO] [stdout] c30ffc93a8ac01adb262e33c65827878fc6e91be88aaffdeb0996d96a0db3655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d396911fcde9d0fed62315c02272fff27ab5dd33c77bf16e52451941dbac031e
[INFO] running `Command { std: "docker" "start" "-a" "d396911fcde9d0fed62315c02272fff27ab5dd33c77bf16e52451941dbac031e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]   --> src/board.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sudoku-tui v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]   --> src/board.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use rand::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d396911fcde9d0fed62315c02272fff27ab5dd33c77bf16e52451941dbac031e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d396911fcde9d0fed62315c02272fff27ab5dd33c77bf16e52451941dbac031e", kill_on_drop: false }`
[INFO] [stdout] d396911fcde9d0fed62315c02272fff27ab5dd33c77bf16e52451941dbac031e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3655bf29488141eb95c6b0b4f302396e30416b9d28ac6f62fe438657832600a5
[INFO] running `Command { std: "docker" "start" "-a" "3655bf29488141eb95c6b0b4f302396e30416b9d28ac6f62fe438657832600a5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::prelude`
[INFO] [stderr]   --> src/board.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use rand::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku-tui` (lib) generated 1 warning
[INFO] [stderr] warning: `sudoku-tui` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_tui-61e0a613b20709fa)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku-22cf8d8df8250e35)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku_tui
[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] [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" "3655bf29488141eb95c6b0b4f302396e30416b9d28ac6f62fe438657832600a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3655bf29488141eb95c6b0b4f302396e30416b9d28ac6f62fe438657832600a5", kill_on_drop: false }`
[INFO] [stdout] 3655bf29488141eb95c6b0b4f302396e30416b9d28ac6f62fe438657832600a5