[INFO] cloning repository https://github.com/tnecio/five_letter_words
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tnecio/five_letter_words" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnecio%2Ffive_letter_words", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnecio%2Ffive_letter_words'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbd28f68e4b69704ebae26325383a17f9a940361
[INFO] testing tnecio/five_letter_words against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnecio%2Ffive_letter_words" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tnecio/five_letter_words on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tnecio/five_letter_words
[INFO] finished tweaking git repo https://github.com/tnecio/five_letter_words
[INFO] tweaked toml for git repo https://github.com/tnecio/five_letter_words written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tnecio/five_letter_words 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded redox_users v0.4.3
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.2
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded rustversion v1.0.9
[INFO] [stderr]   Downloaded prettytable-rs v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 098d22a64c97e0dc07afc079665fa0b4f3c9a3d9fcedb58d36ff24f2c5ad272a
[INFO] running `Command { std: "docker" "start" "-a" "098d22a64c97e0dc07afc079665fa0b4f3c9a3d9fcedb58d36ff24f2c5ad272a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "098d22a64c97e0dc07afc079665fa0b4f3c9a3d9fcedb58d36ff24f2c5ad272a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098d22a64c97e0dc07afc079665fa0b4f3c9a3d9fcedb58d36ff24f2c5ad272a", kill_on_drop: false }`
[INFO] [stdout] 098d22a64c97e0dc07afc079665fa0b4f3c9a3d9fcedb58d36ff24f2c5ad272a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6fb6d1dbbca7010c646977706f39c5dafeced58b32e82770519c49e24d2d62
[INFO] running `Command { std: "docker" "start" "-a" "cc6fb6d1dbbca7010c646977706f39c5dafeced58b32e82770519c49e24d2d62", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.9.0
[INFO] [stderr]    Compiling five_letter_words v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `from_bool_columns` and `print` are never used
[INFO] [stdout]    --> src/dancing_links_soa.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl DLMatrix {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn from_bool_columns(columns: &Vec<Vec<bool>>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transpose` is never used
[INFO] [stdout]    --> src/dancing_links_soa.rs:617:4
[INFO] [stdout]     |
[INFO] [stdout] 617 | fn transpose<T>(v: Vec<Vec<T>>) -> Vec<Vec<T>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "cc6fb6d1dbbca7010c646977706f39c5dafeced58b32e82770519c49e24d2d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6fb6d1dbbca7010c646977706f39c5dafeced58b32e82770519c49e24d2d62", kill_on_drop: false }`
[INFO] [stdout] cc6fb6d1dbbca7010c646977706f39c5dafeced58b32e82770519c49e24d2d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d9d0148f57d2648f5ed2ade732c3b3bae07027377ef7feb134deef890758916
[INFO] running `Command { std: "docker" "start" "-a" "5d9d0148f57d2648f5ed2ade732c3b3bae07027377ef7feb134deef890758916", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr]    Compiling five_letter_words v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `transpose` is never used
[INFO] [stdout]    --> src/dancing_links_soa.rs:617:4
[INFO] [stdout]     |
[INFO] [stdout] 617 | fn transpose<T>(v: Vec<Vec<T>>) -> Vec<Vec<T>> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "5d9d0148f57d2648f5ed2ade732c3b3bae07027377ef7feb134deef890758916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9d0148f57d2648f5ed2ade732c3b3bae07027377ef7feb134deef890758916", kill_on_drop: false }`
[INFO] [stdout] 5d9d0148f57d2648f5ed2ade732c3b3bae07027377ef7feb134deef890758916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b5511200246ecf687ceb8ba1d7105b2d32f9903f6437a93ee6b502167e28005
[INFO] running `Command { std: "docker" "start" "-a" "3b5511200246ecf687ceb8ba1d7105b2d32f9903f6437a93ee6b502167e28005", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.rustflags
[INFO] [stderr] warning: function `transpose` is never used
[INFO] [stderr]    --> src/dancing_links_soa.rs:617:4
[INFO] [stderr]     |
[INFO] [stderr] 617 | fn transpose<T>(v: Vec<Vec<T>>) -> Vec<Vec<T>> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `five_letter_words` (bin "five_letter_words" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/five_letter_words-99eed27af9fe583d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dancing_links_soa::test_create_dlmatrix ... ok
[INFO] [stdout] test dancing_links_soa::test_medium_exact_cover ... ok
[INFO] [stdout] test dancing_links_soa::test_simple_exact_cover_3el_col ... ok
[INFO] [stdout] test dancing_links_soa::test_simple_exact_cover_multi_solution ... ok
[INFO] [stdout] test dancing_links_soa::test_simple_exact_cover ... ok
[INFO] [stdout] +---+---+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
[INFO] [stdout] |   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
[INFO] [stdout] +---+---+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
[INFO] [stdout] | C |   |   |   |   |   |   |   | 1 |   |   |    |    | 3  |    |    |    |    | 5  |    | 7  |    |    |    |    | 9  |
[INFO] [stdout] +---+---+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
[INFO] [stdout] | 0 |   |   |   |   |   |   |   | 2 |   |   |    |    | 4  |    |    |    |    | 6  |    | 8  |    |    |    |    | 10 |
[INFO] [stdout] +---+---+---+---+---+---+---+---+---+---+---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
[INFO] [stdout] test dancing_links_soa::test_weird_exact_cover ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b5511200246ecf687ceb8ba1d7105b2d32f9903f6437a93ee6b502167e28005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5511200246ecf687ceb8ba1d7105b2d32f9903f6437a93ee6b502167e28005", kill_on_drop: false }`
[INFO] [stdout] 3b5511200246ecf687ceb8ba1d7105b2d32f9903f6437a93ee6b502167e28005
