[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] checking bbatha/boggle against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbatha%2Fboggle" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bbatha/boggle on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bbatha/boggle 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.5.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded typed-arena v1.5.0
[INFO] [stderr]   Downloaded rayon v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d3bc837041cb8bb6bdbdafc8c8726121fc7368bc75593dc5aca35dc9362355e
[INFO] running `Command { std: "docker" "start" "-a" "6d3bc837041cb8bb6bdbdafc8c8726121fc7368bc75593dc5aca35dc9362355e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d3bc837041cb8bb6bdbdafc8c8726121fc7368bc75593dc5aca35dc9362355e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3bc837041cb8bb6bdbdafc8c8726121fc7368bc75593dc5aca35dc9362355e", kill_on_drop: false }`
[INFO] [stdout] 6d3bc837041cb8bb6bdbdafc8c8726121fc7368bc75593dc5aca35dc9362355e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 839cc2af852ebad34fbc5062d1b3159f983d14fcb59245a2a0fcfde338e661e9
[INFO] running `Command { std: "docker" "start" "-a" "839cc2af852ebad34fbc5062d1b3159f983d14fcb59245a2a0fcfde338e661e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking boggle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `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 method `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 method `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: use of deprecated method `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: methods `has_word` and `solve_single_threaded` are never used
[INFO] [stdout]    --> src/board.rs:65:8
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl<'word> Board<'word> {
[INFO] [stdout]     | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  65 |     fn has_word(&self, word: &[u8]) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn solve_single_threaded<'a>(&self, words: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/trie.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'trie, 'word> TrieNode<'trie, 'word> {
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn contains(&self, word: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec3` is never constructed
[INFO] [stdout]  --> src/multivec.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Vec3<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `idx` and `fill` are never used
[INFO] [stdout]   --> src/multivec.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Vec3<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 16 |     fn idx(&self, (x, y, z): (usize, usize, usize)) -> Option<usize> {
[INFO] [stdout]    |        ^^^
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/board.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(raw: &str) -> Result<Board, Error> {
[INFO] [stdout]    |                       ^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(raw: &str) -> Result<Board<'_>, Error> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/board.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn neighbors(&self, (x, y): (usize, usize)) -> Neighbors {
[INFO] [stdout]    |                  ^^^^^                             ^^^^^^^^^
[INFO] [stdout]    |                  |                                 |
[INFO] [stdout]    |                  |                                 the same lifetime is hidden here
[INFO] [stdout]    |                  the lifetime is elided here       the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn neighbors(&self, (x, y): (usize, usize)) -> Neighbors<'_> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/board.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(raw: &str) -> Result<Board, Error> {
[INFO] [stdout]    |                       ^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn parse(raw: &str) -> Result<Board<'_>, Error> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/board.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn neighbors(&self, (x, y): (usize, usize)) -> Neighbors {
[INFO] [stdout]    |                  ^^^^^                             ^^^^^^^^^
[INFO] [stdout]    |                  |                                 |
[INFO] [stdout]    |                  |                                 the same lifetime is hidden here
[INFO] [stdout]    |                  the lifetime is elided here       the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn neighbors(&self, (x, y): (usize, usize)) -> Neighbors<'_> {
[INFO] [stdout]    |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "839cc2af852ebad34fbc5062d1b3159f983d14fcb59245a2a0fcfde338e661e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839cc2af852ebad34fbc5062d1b3159f983d14fcb59245a2a0fcfde338e661e9", kill_on_drop: false }`
[INFO] [stdout] 839cc2af852ebad34fbc5062d1b3159f983d14fcb59245a2a0fcfde338e661e9
