[INFO] fetching crate sudoku_lib 0.2.9...
[INFO] testing sudoku_lib-0.2.9 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate sudoku_lib 0.2.9 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sudoku_lib 0.2.9
[INFO] finished tweaking crates.io crate sudoku_lib 0.2.9
[INFO] tweaked toml for crates.io crate sudoku_lib 0.2.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sudoku_lib 0.2.9 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6c32ab86fad4fd0172d9082698414cea33d11f1a9baea19f1efec659814549a
[INFO] running `Command { std: "docker" "start" "-a" "b6c32ab86fad4fd0172d9082698414cea33d11f1a9baea19f1efec659814549a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6c32ab86fad4fd0172d9082698414cea33d11f1a9baea19f1efec659814549a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c32ab86fad4fd0172d9082698414cea33d11f1a9baea19f1efec659814549a", kill_on_drop: false }`
[INFO] [stdout] b6c32ab86fad4fd0172d9082698414cea33d11f1a9baea19f1efec659814549a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8218e576626442baa4b6d4ff6fa60f0440b393765f9484074a876444c49d6079
[INFO] running `Command { std: "docker" "start" "-a" "8218e576626442baa4b6d4ff6fa60f0440b393765f9484074a876444c49d6079", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling sudoku_lib v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "8218e576626442baa4b6d4ff6fa60f0440b393765f9484074a876444c49d6079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8218e576626442baa4b6d4ff6fa60f0440b393765f9484074a876444c49d6079", kill_on_drop: false }`
[INFO] [stdout] 8218e576626442baa4b6d4ff6fa60f0440b393765f9484074a876444c49d6079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ad13477bde09ca3dc55ea4db49192a61150da94d40e281ef214e811cbe82100e
[INFO] running `Command { std: "docker" "start" "-a" "ad13477bde09ca3dc55ea4db49192a61150da94d40e281ef214e811cbe82100e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_lib v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ad13477bde09ca3dc55ea4db49192a61150da94d40e281ef214e811cbe82100e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad13477bde09ca3dc55ea4db49192a61150da94d40e281ef214e811cbe82100e", kill_on_drop: false }`
[INFO] [stdout] ad13477bde09ca3dc55ea4db49192a61150da94d40e281ef214e811cbe82100e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5e87a52305e6afb805efe13a836f26b65b2b769592759ea28ec063571bb26073
[INFO] running `Command { std: "docker" "start" "-a" "5e87a52305e6afb805efe13a836f26b65b2b769592759ea28ec063571bb26073", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku_lib-d23439a2afedf843)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test board::tests::get_row ... ok
[INFO] [stdout] test board::tests::get_block ... ok
[INFO] [stdout] test board::tests::is_not_valid ... ok
[INFO] [stdout] test board::tests::has_correct_display_format ... ok
[INFO] [stdout] test board::tests::set_column ... ok
[INFO] [stdout] test board::tests::set_block ... ok
[INFO] [stdout] test board::tests::set_row ... ok
[INFO] [stdout] test board::tests::is_valid ... ok
[INFO] [stdout] test chunk::tests::chunk_has_repetitions ... ok
[INFO] [stdout] test value::tests::serialized_format ... ok
[INFO] [stdout] test chunk::tests::chunk_has_no_repetitions ... ok
[INFO] [stdout] test value::tests::value_option_format ... ok
[INFO] [stdout] test board::tests::get_column ... ok
[INFO] [stderr]    Doc-tests sudoku_lib
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "5e87a52305e6afb805efe13a836f26b65b2b769592759ea28ec063571bb26073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e87a52305e6afb805efe13a836f26b65b2b769592759ea28ec063571bb26073", kill_on_drop: false }`
[INFO] [stdout] 5e87a52305e6afb805efe13a836f26b65b2b769592759ea28ec063571bb26073