[INFO] cloning repository https://github.com/bbatha/boggle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbatha/boggle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd23da480e78c9a92b7e79977c8dd5387da81da4
[INFO] testing bbatha/boggle against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbatha/boggle on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbatha/boggle
[INFO] finished tweaking git repo https://github.com/bbatha/boggle
[INFO] tweaked toml for git repo https://github.com/bbatha/boggle written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/bbatha/boggle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95734897ff122a173266ee8ad958c22878570a360bc0e5d46b3b98482d7bc74e
[INFO] running `Command { std: "docker" "start" "-a" "95734897ff122a173266ee8ad958c22878570a360bc0e5d46b3b98482d7bc74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95734897ff122a173266ee8ad958c22878570a360bc0e5d46b3b98482d7bc74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95734897ff122a173266ee8ad958c22878570a360bc0e5d46b3b98482d7bc74e", kill_on_drop: false }`
[INFO] [stdout] 95734897ff122a173266ee8ad958c22878570a360bc0e5d46b3b98482d7bc74e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9c6e9cf674290abd804f6fc27e0be7bc2dd6418d04fb06bb1cd7b8ddd9e919
[INFO] running `Command { std: "docker" "start" "-a" "2d9c6e9cf674290abd804f6fc27e0be7bc2dd6418d04fb06bb1cd7b8ddd9e919", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling boggle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Io(ref err) => err.description(),
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_word`
[INFO] [stdout]   --> src/board.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn has_word(&self, word: &[u8]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve_single_threaded`
[INFO] [stdout]    --> src/board.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn solve_single_threaded<'a>(&self, words: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `visited`
[INFO] [stdout]    --> src/board.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             visited: Vec2<bool>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `DfsItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/board.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |         #[derive(Debug)]
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/board.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |             x: usize,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `DfsItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/board.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |         #[derive(Debug)]
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/board.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             y: usize,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `DfsItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/board.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |         #[derive(Debug)]
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `word`
[INFO] [stdout]    --> src/board.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             word: &'word str,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `DfsItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/board.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |         #[derive(Debug)]
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> src/trie.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn contains(&self, word: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]   --> src/multivec.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fill(width: usize, height: usize, depth: usize, value: T) -> Vec3<T>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "2d9c6e9cf674290abd804f6fc27e0be7bc2dd6418d04fb06bb1cd7b8ddd9e919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9c6e9cf674290abd804f6fc27e0be7bc2dd6418d04fb06bb1cd7b8ddd9e919", kill_on_drop: false }`
[INFO] [stdout] 2d9c6e9cf674290abd804f6fc27e0be7bc2dd6418d04fb06bb1cd7b8ddd9e919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa2e5e3542946817f8fa001a8ae7b8abc13bc16e5a91238761429099a3665436
[INFO] running `Command { std: "docker" "start" "-a" "aa2e5e3542946817f8fa001a8ae7b8abc13bc16e5a91238761429099a3665436", kill_on_drop: false }`
[INFO] [stderr]    Compiling boggle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Io(ref err) => err.description(),
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/boggle-5c492b5b0a22259b)
[INFO] running `Command { std: "docker" "inspect" "aa2e5e3542946817f8fa001a8ae7b8abc13bc16e5a91238761429099a3665436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2e5e3542946817f8fa001a8ae7b8abc13bc16e5a91238761429099a3665436", kill_on_drop: false }`
[INFO] [stdout] aa2e5e3542946817f8fa001a8ae7b8abc13bc16e5a91238761429099a3665436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbdb90d6c23ef0af02bd2a53f9b1666c9196f00e891152deb59113075b3a7879
[INFO] running `Command { std: "docker" "start" "-a" "fbdb90d6c23ef0af02bd2a53f9b1666c9196f00e891152deb59113075b3a7879", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:39
[INFO] [stderr]    |
[INFO] [stderr] 23 |         write!(f, "{}", error::Error::description(self))
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Io(ref err) => err.description(),
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `boggle` (bin "boggle" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/boggle-5c492b5b0a22259b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test board::test::neighbors ... ok
[INFO] [stdout] test board::test::parse ... ok
[INFO] [stdout] test board::test::neighbors_edge ... ok
[INFO] [stdout] test board::test::has_word ... ok
[INFO] [stdout] test multivec::smoke ... ok
[INFO] [stdout] test trie::smoke ... ok
[INFO] [stdout] test board::test::trie ... ok
[INFO] [stdout] test board::test::single_threaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fbdb90d6c23ef0af02bd2a53f9b1666c9196f00e891152deb59113075b3a7879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbdb90d6c23ef0af02bd2a53f9b1666c9196f00e891152deb59113075b3a7879", kill_on_drop: false }`
[INFO] [stdout] fbdb90d6c23ef0af02bd2a53f9b1666c9196f00e891152deb59113075b3a7879