[INFO] cloning repository https://github.com/ot2t7/filler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ot2t7/filler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fot2t7%2Ffiller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fot2t7%2Ffiller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e52e4c73a43aa925ddf09bccb3ecfe9507b29ce3
[INFO] building ot2t7/filler against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fot2t7%2Ffiller" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ot2t7/filler
[INFO] finished tweaking git repo https://github.com/ot2t7/filler
[INFO] tweaked toml for git repo https://github.com/ot2t7/filler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ot2t7/filler on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ot2t7/filler 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30710647d5624ffb3ae5dcc7a45bdaa5ce70d329a69bb8bb2033bbfc64b6a91e
[INFO] running `Command { std: "docker" "start" "-a" "30710647d5624ffb3ae5dcc7a45bdaa5ce70d329a69bb8bb2033bbfc64b6a91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30710647d5624ffb3ae5dcc7a45bdaa5ce70d329a69bb8bb2033bbfc64b6a91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30710647d5624ffb3ae5dcc7a45bdaa5ce70d329a69bb8bb2033bbfc64b6a91e", kill_on_drop: false }`
[INFO] [stdout] 30710647d5624ffb3ae5dcc7a45bdaa5ce70d329a69bb8bb2033bbfc64b6a91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fce04f59c5186f5787f9391aa006910d792d2c01b694c0370aae1801b42cf70
[INFO] running `Command { std: "docker" "start" "-a" "0fce04f59c5186f5787f9391aa006910d792d2c01b694c0370aae1801b42cf70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rgb v0.8.32
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored_truecolor v0.1.0
[INFO] [stderr]    Compiling filler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (_idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `COLORS_NUM`
[INFO] [stdout]     |
[INFO] [stdout] 130 -         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout] 130 +         for (COLORS_NUM, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (_idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `COLORS_NUM`
[INFO] [stdout]     |
[INFO] [stdout] 118 -         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout] 118 +         for (COLORS_NUM, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:200:49
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let mut block = &mut game.game_grid[*idx];
[INFO] [stdout]     |                           ----^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |                   ----^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |                   ----^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_ai_color` is never used
[INFO] [stdout]    --> src/main.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl Filler {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn set_ai_color(&mut self, new_color: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "0fce04f59c5186f5787f9391aa006910d792d2c01b694c0370aae1801b42cf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fce04f59c5186f5787f9391aa006910d792d2c01b694c0370aae1801b42cf70", kill_on_drop: false }`
[INFO] [stdout] 0fce04f59c5186f5787f9391aa006910d792d2c01b694c0370aae1801b42cf70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f0c682d3c5e10a5a14106b907057a875314783e4758c4cdcfd7281f27e6ba7
[INFO] running `Command { std: "docker" "start" "-a" "31f0c682d3c5e10a5a14106b907057a875314783e4758c4cdcfd7281f27e6ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling filler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (_idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `COLORS_NUM`
[INFO] [stdout]     |
[INFO] [stdout] 130 -         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout] 130 +         for (COLORS_NUM, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:200:49
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let mut block = &mut game.game_grid[*idx];
[INFO] [stdout]     |                           ----^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/main.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (_idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |              +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `COLORS_NUM`
[INFO] [stdout]     |
[INFO] [stdout] 118 -         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout] 118 +         for (COLORS_NUM, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |                   ----^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |         for (idx, mut element) in self.game_grid.iter_mut().enumerate() {
[INFO] [stdout]     |                   ----^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_ai_color` is never used
[INFO] [stdout]    --> src/main.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl Filler {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn set_ai_color(&mut self, new_color: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "31f0c682d3c5e10a5a14106b907057a875314783e4758c4cdcfd7281f27e6ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f0c682d3c5e10a5a14106b907057a875314783e4758c4cdcfd7281f27e6ba7", kill_on_drop: false }`
[INFO] [stdout] 31f0c682d3c5e10a5a14106b907057a875314783e4758c4cdcfd7281f27e6ba7
