[INFO] cloning repository https://github.com/4lineclear/leer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4lineclear/leer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4lineclear%2Fleer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4lineclear%2Fleer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae83b21c8a44bc8bb79b540a7347e98d6ca6e81b
[INFO] checking 4lineclear/leer against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4lineclear%2Fleer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/4lineclear/leer
[INFO] finished tweaking git repo https://github.com/4lineclear/leer
[INFO] tweaked toml for git repo https://github.com/4lineclear/leer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/4lineclear/leer on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/4lineclear/leer 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.57
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d89f744216fdbd619c99bd8edbe528678b718f7257acc021ee3707f4a86d51
[INFO] running `Command { std: "docker" "start" "-a" "44d89f744216fdbd619c99bd8edbe528678b718f7257acc021ee3707f4a86d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d89f744216fdbd619c99bd8edbe528678b718f7257acc021ee3707f4a86d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d89f744216fdbd619c99bd8edbe528678b718f7257acc021ee3707f4a86d51", kill_on_drop: false }`
[INFO] [stdout] 44d89f744216fdbd619c99bd8edbe528678b718f7257acc021ee3707f4a86d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3570ed0214fc58d712fac373eab2e6da54307e4d1e3fff59a20283d08acef9
[INFO] running `Command { std: "docker" "start" "-a" "7c3570ed0214fc58d712fac373eab2e6da54307e4d1e3fff59a20283d08acef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.57
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking leer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `bag`, `board`, `players`, `current_player`, `bag_template`, and `board_template` are never read
[INFO] [stdout]   --> src/scrabble/mod.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  7 |     pub bag: Vec<char>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  8 |     pub board: Vec<Vec<Tile>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  9 |     pub players: Vec<Player>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 10 |     pub current_player: Cell<u8>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     /// contains the points a symbol holds
[INFO] [stdout] 12 |     bag_template: HashMap<char, u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     /// contains the multiplier a symbol holds
[INFO] [stdout] 14 |     board_template: HashMap<char, MultiplierKind>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol` and `kind` are never read
[INFO] [stdout]   --> src/scrabble/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Tile {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 38 |     symbol: char,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     kind: TileKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scrabble/mod.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Board(MultiplierKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TileKind` has derived impls for the traits `Clone` and `Debug`, 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] 45 -     Board(MultiplierKind),
[INFO] [stdout] 45 +     Board(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Play` is never constructed
[INFO] [stdout]   --> src/scrabble/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum TileKind {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 47 |     Play,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TileKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scrabble/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Word(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiplierKind` has derived impls for the traits `Clone` and `Debug`, 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] 53 -     Word(u8),
[INFO] [stdout] 53 +     Word(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scrabble/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Letter(u8),
[INFO] [stdout]    |     ------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiplierKind` has derived impls for the traits `Clone` and `Debug`, 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] 54 -     Letter(u8),
[INFO] [stdout] 54 +     Letter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `points` are never read
[INFO] [stdout]   --> src/scrabble/mod.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Player {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 59 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 60 |     pub points: Cell<u8>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bag`, `board`, `players`, `current_player`, `bag_template`, and `board_template` are never read
[INFO] [stdout]   --> src/scrabble/mod.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  7 |     pub bag: Vec<char>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]  8 |     pub board: Vec<Vec<Tile>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  9 |     pub players: Vec<Player>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 10 |     pub current_player: Cell<u8>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     /// contains the points a symbol holds
[INFO] [stdout] 12 |     bag_template: HashMap<char, u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     /// contains the multiplier a symbol holds
[INFO] [stdout] 14 |     board_template: HashMap<char, MultiplierKind>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol` and `kind` are never read
[INFO] [stdout]   --> src/scrabble/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Tile {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 38 |     symbol: char,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     kind: TileKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scrabble/mod.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Board(MultiplierKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TileKind` has derived impls for the traits `Clone` and `Debug`, 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] 45 -     Board(MultiplierKind),
[INFO] [stdout] 45 +     Board(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Play` is never constructed
[INFO] [stdout]   --> src/scrabble/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum TileKind {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 47 |     Play,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TileKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scrabble/mod.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Word(u8),
[INFO] [stdout]    |     ---- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiplierKind` has derived impls for the traits `Clone` and `Debug`, 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] 53 -     Word(u8),
[INFO] [stdout] 53 +     Word(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/scrabble/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Letter(u8),
[INFO] [stdout]    |     ------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MultiplierKind` has derived impls for the traits `Clone` and `Debug`, 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] 54 -     Letter(u8),
[INFO] [stdout] 54 +     Letter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `points` are never read
[INFO] [stdout]   --> src/scrabble/mod.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct Player {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 59 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 60 |     pub points: Cell<u8>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.77s
[INFO] running `Command { std: "docker" "inspect" "7c3570ed0214fc58d712fac373eab2e6da54307e4d1e3fff59a20283d08acef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3570ed0214fc58d712fac373eab2e6da54307e4d1e3fff59a20283d08acef9", kill_on_drop: false }`
[INFO] [stdout] 7c3570ed0214fc58d712fac373eab2e6da54307e4d1e3fff59a20283d08acef9
