[INFO] cloning repository https://github.com/f8upd8/rstckifu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f8upd8/rstckifu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff8upd8%2Frstckifu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff8upd8%2Frstckifu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2a9b41aa25d3377e247fc38fedc512e1dc995e4
[INFO] checking f8upd8/rstckifu against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff8upd8%2Frstckifu" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/f8upd8/rstckifu
[INFO] finished tweaking git repo https://github.com/f8upd8/rstckifu
[INFO] tweaked toml for git repo https://github.com/f8upd8/rstckifu written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/f8upd8/rstckifu on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/f8upd8/rstckifu 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6274f9a3c08c60b6973e13a5c135deb234a6c11c19872e7b533d9cc70025d5bd
[INFO] running `Command { std: "docker" "start" "-a" "6274f9a3c08c60b6973e13a5c135deb234a6c11c19872e7b533d9cc70025d5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6274f9a3c08c60b6973e13a5c135deb234a6c11c19872e7b533d9cc70025d5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6274f9a3c08c60b6973e13a5c135deb234a6c11c19872e7b533d9cc70025d5bd", kill_on_drop: false }`
[INFO] [stdout] 6274f9a3c08c60b6973e13a5c135deb234a6c11c19872e7b533d9cc70025d5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f956321a52c9f859101fb01e7f59060249d85a24f216d61371634ba0e63545ea
[INFO] running `Command { std: "docker" "start" "-a" "f956321a52c9f859101fb01e7f59060249d85a24f216d61371634ba0e63545ea", kill_on_drop: false }`
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking rstckifu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut board: [u8;19*19] = [b'e';19*19];
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `EV`
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut EV: &str = "NaN";
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_EV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `PB`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut PB: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_PB`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `PW`
[INFO] [stdout]   --> src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut PW: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_PW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `WR`
[INFO] [stdout]   --> src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut WR: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_WR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `KM`
[INFO] [stdout]   --> src/main.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut KM: f32;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_KM`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `RE`
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut RE: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `DT`
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut DT: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_DT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut board: [u8;19*19] = [b'e';19*19];
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut EV: &str = "NaN";
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_add` is never used
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn move_add(board: &mut [u8], mv: &[u8; 2], is_black: bool) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EV` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut EV: &str = "NaN";
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `ev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut PB: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `pb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PW` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut PW: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `pw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WR` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut WR: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `wr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `KM` should have a snake case name
[INFO] [stdout]   --> src/main.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut KM: f32;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut RE: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `re`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DT` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut DT: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut board: [u8;19*19] = [b'e';19*19];
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `EV`
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut EV: &str = "NaN";
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_EV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `PB`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut PB: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_PB`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `PW`
[INFO] [stdout]   --> src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut PW: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_PW`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `WR`
[INFO] [stdout]   --> src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut WR: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_WR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `KM`
[INFO] [stdout]   --> src/main.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut KM: f32;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_KM`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `RE`
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut RE: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `DT`
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut DT: &str;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_DT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut board: [u8;19*19] = [b'e';19*19];
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut EV: &str = "NaN";
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_add` is never used
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn move_add(board: &mut [u8], mv: &[u8; 2], is_black: bool) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `EV` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut EV: &str = "NaN";
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `ev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PB` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let mut PB: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `pb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `PW` should have a snake case name
[INFO] [stdout]   --> src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let mut PW: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `pw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WR` should have a snake case name
[INFO] [stdout]   --> src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut WR: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `wr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `KM` should have a snake case name
[INFO] [stdout]   --> src/main.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut KM: f32;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut RE: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `re`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DT` should have a snake case name
[INFO] [stdout]   --> src/main.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut DT: &str;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `dt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "f956321a52c9f859101fb01e7f59060249d85a24f216d61371634ba0e63545ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f956321a52c9f859101fb01e7f59060249d85a24f216d61371634ba0e63545ea", kill_on_drop: false }`
[INFO] [stdout] f956321a52c9f859101fb01e7f59060249d85a24f216d61371634ba0e63545ea
