[INFO] fetching crate oat 0.1.1...
[INFO] checking oat-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate oat 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate oat 0.1.1
[INFO] finished tweaking crates.io crate oat 0.1.1
[INFO] tweaked toml for crates.io crate oat 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oat 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oat 0.1.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf5ba83a01c6e575421cbc20166e4e2bad72f0e85b8efa03cea9673ece3e7724
[INFO] running `Command { std: "docker" "start" "-a" "cf5ba83a01c6e575421cbc20166e4e2bad72f0e85b8efa03cea9673ece3e7724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf5ba83a01c6e575421cbc20166e4e2bad72f0e85b8efa03cea9673ece3e7724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5ba83a01c6e575421cbc20166e4e2bad72f0e85b8efa03cea9673ece3e7724", kill_on_drop: false }`
[INFO] [stdout] cf5ba83a01c6e575421cbc20166e4e2bad72f0e85b8efa03cea9673ece3e7724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f84aad4a0f00e3b6167a06de807e6fc7cbe496b589fc6446b968b320ed405c
[INFO] running `Command { std: "docker" "start" "-a" "42f84aad4a0f00e3b6167a06de807e6fc7cbe496b589fc6446b968b320ed405c", kill_on_drop: false }`
[INFO] [stderr]     Checking oat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Bitboard` is never constructed
[INFO] [stdout]  --> src/bitboard.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bitboard(u64);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/color.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Color {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `opposite` and `new_from_index` are never used
[INFO] [stdout]   --> src/color.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn opposite(self) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn new_from_index(i: u8) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `File` is never used
[INFO] [stdout]  --> src/file.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum File {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_index` is never used
[INFO] [stdout]   --> src/file.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl File {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new_from_index(i: u8) -> File {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]  --> src/piece.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Piece {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rank` is never used
[INFO] [stdout]  --> src/rank.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Rank {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_index` is never used
[INFO] [stdout]   --> src/rank.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Rank {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new_from_index(i: u8) -> Rank {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Role` is never used
[INFO] [stdout]  --> src/role.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Role {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Square` is never used
[INFO] [stdout]  --> src/square.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Square {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_from_index`, `file`, and `rank` are never used
[INFO] [stdout]   --> src/square.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Square {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     /// Return a square corresponding to the file and rank.
[INFO] [stdout] 19 |     pub fn new(file: File, rank: Rank) -> Square {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn new_from_index(i: u8) -> Square {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn file(self) -> File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn rank(self) -> Rank {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ponder`, `Explicit`, and `MoveTime` are never constructed
[INFO] [stdout]   --> src/uci.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub enum TimeControl {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 72 |     Ponder,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 73 |     Explicit {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     MoveTime {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimeControl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bitboard` is never constructed
[INFO] [stdout]  --> src/bitboard.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Bitboard(u64);
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/color.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Color {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `opposite` and `new_from_index` are never used
[INFO] [stdout]   --> src/color.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn opposite(self) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn new_from_index(i: u8) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `B`, `C`, `D`, `E`, `F`, and `G` are never constructed
[INFO] [stdout]   --> src/file.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum File {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  4 |     A,
[INFO] [stdout]  5 |     B,
[INFO] [stdout]    |     ^
[INFO] [stdout]  6 |     C,
[INFO] [stdout]    |     ^
[INFO] [stdout]  7 |     D,
[INFO] [stdout]    |     ^
[INFO] [stdout]  8 |     E,
[INFO] [stdout]    |     ^
[INFO] [stdout]  9 |     F,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     G,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `File` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]  --> src/piece.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Piece {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Two`, `Three`, `Four`, `Five`, `Six`, and `Seven` are never constructed
[INFO] [stdout]   --> src/rank.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub enum Rank {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  4 |     One,
[INFO] [stdout]  5 |     Two,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  6 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  7 |     Four,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     Five,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Six,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Seven,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rank` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Role` is never used
[INFO] [stdout]  --> src/role.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Role {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/square.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum Square {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout]  7 |     A1, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stdout]    |         ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]  8 |     A2, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]  9 |     A3, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 10 |     A4, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 11 |     A5, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 12 |     A6, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 13 |     A7, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout] 14 |     A8, B8, C8, D8, E8, F8, G8, H8,
[INFO] [stdout]    |     ^^  ^^  ^^  ^^  ^^  ^^  ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MoveTime` is never constructed
[INFO] [stdout]   --> src/uci.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub enum TimeControl {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 80 |     MoveTime {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TimeControl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42f84aad4a0f00e3b6167a06de807e6fc7cbe496b589fc6446b968b320ed405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f84aad4a0f00e3b6167a06de807e6fc7cbe496b589fc6446b968b320ed405c", kill_on_drop: false }`
[INFO] [stdout] 42f84aad4a0f00e3b6167a06de807e6fc7cbe496b589fc6446b968b320ed405c