[INFO] cloning repository https://github.com/hiblom/haddock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hiblom/haddock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiblom%2Fhaddock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiblom%2Fhaddock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc401f5cde24ab2036e77aa957e70d406455d14e
[INFO] checking hiblom/haddock against try#09eeb2bacb9b40b2ed1d47f03177442c0632cda1 for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiblom%2Fhaddock" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hiblom/haddock
[INFO] finished tweaking git repo https://github.com/hiblom/haddock
[INFO] tweaked toml for git repo https://github.com/hiblom/haddock written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hiblom/haddock on toolchain 09eeb2bacb9b40b2ed1d47f03177442c0632cda1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hiblom/haddock 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" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f
[INFO] running `Command { std: "docker" "start" "944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f" "/opt/rustwide/cargo-home/bin/cargo" "+09eeb2bacb9b40b2ed1d47f03177442c0632cda1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking criterion-stats v0.3.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking criterion-plot v0.2.7
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking criterion v0.2.7
[INFO] [stderr]     Checking haddock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/generator.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator {
[INFO] [stdout]    |                           --              ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator<'a> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/generator.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator {
[INFO] [stdout]    |                           --              ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator<'a> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED_SQUARE_PIECE_KEYS` is never used
[INFO] [stdout]  --> src/zobrist.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const SEED_SQUARE_PIECE_KEYS: &str = "k>FHVV_Bpjqw)TMTs/'4f'FKJ7\\qN{va";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED_BLACK_KEY` is never used
[INFO] [stdout]  --> src/zobrist.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SEED_BLACK_KEY: &str = "g@/,hx'#]]^k#6qCM`Bd#3-Fv#Lu_Qj;";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED_CASTLE_KEYS` is never used
[INFO] [stdout]  --> src/zobrist.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SEED_CASTLE_KEYS: &str = ")#B&3qTwtG{Wgy6Vn:xCxSy+CY88\\Q\"^";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED_EP_FILE_KEYS` is never used
[INFO] [stdout]  --> src/zobrist.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SEED_EP_FILE_KEYS: &str = "XCkLM'a])qN3wMDs+2d6x2RTHt7NZX#s";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seed_str_to_arr` is never used
[INFO] [stdout]   --> src/zobrist.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn seed_str_to_arr(seed_string: &str) -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/searchtype.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Nodes(u64),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SearchType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Nodes(u64),
[INFO] [stdout] 6 +     Nodes(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/outcome.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Draw(i32)}
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Outcome` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Draw(i32)}
[INFO] [stdout] 13 +     Draw(())}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOVEBOARD_WHITE_PAWN_PUSH` is never used
[INFO] [stdout]   --> src/moveboard.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const MOVEBOARD_WHITE_PAWN_PUSH: usize = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOVEBOARD_BLACK_PAWN_PUSH` is never used
[INFO] [stdout]   --> src/moveboard.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MOVEBOARD_BLACK_PAWN_PUSH: usize = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_king_moveboards` is never used
[INFO] [stdout]   --> src/moveboard.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn create_king_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_knight_moveboards` is never used
[INFO] [stdout]   --> src/moveboard.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn create_knight_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_white_pawn_moveboards` is never used
[INFO] [stdout]   --> src/moveboard.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn create_white_pawn_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_black_pawn_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn create_black_pawn_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_white_pawn_captureboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn create_white_pawn_captureboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_black_pawn_captureboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn create_black_pawn_captureboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_up_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn create_ray_up_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_down_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn create_ray_down_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_left_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn create_ray_left_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_right_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn create_ray_right_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_up_right_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn create_ray_up_right_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_down_right_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn create_ray_down_right_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_down_left_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn create_ray_down_left_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_ray_up_left_moveboards` is never used
[INFO] [stdout]    --> src/moveboard.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn create_ray_up_left_moveboards() -> [BitBoard; 64] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upper` is never constructed
[INFO] [stdout]   --> src/transposition_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum Bound {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Upper}
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bound` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/generator.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator {
[INFO] [stdout]    |                           --              ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator<'a> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/searchtype.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Nodes(u64),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SearchType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Nodes(u64),
[INFO] [stdout] 6 +     Nodes(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/outcome.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Draw(i32)}
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Outcome` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     Draw(i32)}
[INFO] [stdout] 13 +     Draw(())}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Upper` is never constructed
[INFO] [stdout]   --> src/transposition_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum Bound {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Upper}
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bound` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/generator.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator {
[INFO] [stdout]    |                           --              ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(position: &'a Position) -> Generator<'a> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f", kill_on_drop: false }`
[INFO] [stdout] 944b5198ade1c86259d0b858db197eff2ffac4b21254389f919d99076bfcbd3f
