[INFO] cloning repository https://github.com/seanwbrooks/rust-guess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanwbrooks/rust-guess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanwbrooks%2Frust-guess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanwbrooks%2Frust-guess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cec97f17efb8532f176bbb1673f730e6348a0aa7
[INFO] checking seanwbrooks/rust-guess against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanwbrooks%2Frust-guess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanwbrooks/rust-guess on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanwbrooks/rust-guess
[INFO] finished tweaking git repo https://github.com/seanwbrooks/rust-guess
[INFO] tweaked toml for git repo https://github.com/seanwbrooks/rust-guess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/seanwbrooks/rust-guess 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d50605a357358c4dbce04e86d312cdae9397ca4bf4685eea65c526ff8f12cc
[INFO] running `Command { std: "docker" "start" "-a" "d2d50605a357358c4dbce04e86d312cdae9397ca4bf4685eea65c526ff8f12cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d50605a357358c4dbce04e86d312cdae9397ca4bf4685eea65c526ff8f12cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d50605a357358c4dbce04e86d312cdae9397ca4bf4685eea65c526ff8f12cc", kill_on_drop: false }`
[INFO] [stdout] d2d50605a357358c4dbce04e86d312cdae9397ca4bf4685eea65c526ff8f12cc
[INFO] checking seanwbrooks/rust-guess against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanwbrooks%2Frust-guess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanwbrooks/rust-guess on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanwbrooks/rust-guess
[INFO] finished tweaking git repo https://github.com/seanwbrooks/rust-guess
[INFO] tweaked toml for git repo https://github.com/seanwbrooks/rust-guess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/seanwbrooks/rust-guess 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fabee437b1ef571a7692cac6809947719a54bab6cf154e3c11085c5e5bab59ca
[INFO] running `Command { std: "docker" "start" "-a" "fabee437b1ef571a7692cac6809947719a54bab6cf154e3c11085c5e5bab59ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fabee437b1ef571a7692cac6809947719a54bab6cf154e3c11085c5e5bab59ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabee437b1ef571a7692cac6809947719a54bab6cf154e3c11085c5e5bab59ca", kill_on_drop: false }`
[INFO] [stdout] fabee437b1ef571a7692cac6809947719a54bab6cf154e3c11085c5e5bab59ca
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7138ce60e686084f5ad0f18a26d9d9a2f29411e515130316b07eceeebe8bc955
[INFO] running `Command { std: "docker" "start" "-a" "7138ce60e686084f5ad0f18a26d9d9a2f29411e515130316b07eceeebe8bc955", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking papergrid v0.10.0
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[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 tabled_derive v0.6.0
[INFO] [stderr]     Checking tabled v0.13.0
[INFO] [stderr]     Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/bin/ttt.rs:265:31
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 let box_num = (i * x_length + j + 1);
[INFO] [stdout]     |                               ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 265 -                 let box_num = (i * x_length + j + 1);
[INFO] [stdout] 265 +                 let box_num = i * x_length + j + 1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/bin/ttt.rs:265:31
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 let box_num = (i * x_length + j + 1);
[INFO] [stdout]     |                               ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 265 -                 let box_num = (i * x_length + j + 1);
[INFO] [stdout] 265 +                 let box_num = i * x_length + j + 1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_end`
[INFO] [stdout]   --> src/bin/ttt.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut game_end = false;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ttt.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut game_end = false;
[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: unused variable: `move_num`
[INFO] [stdout]    --> src/bin/ttt.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let move_num = move_array_to_num([i, j], x_length);
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_end`
[INFO] [stdout]   --> src/bin/ttt.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut game_end = false;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ttt.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut game_end = false;
[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: unused variable: `move_num`
[INFO] [stdout]    --> src/bin/ttt.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let move_num = move_array_to_num([i, j], x_length);
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_move_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "7138ce60e686084f5ad0f18a26d9d9a2f29411e515130316b07eceeebe8bc955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7138ce60e686084f5ad0f18a26d9d9a2f29411e515130316b07eceeebe8bc955", kill_on_drop: false }`
[INFO] [stdout] 7138ce60e686084f5ad0f18a26d9d9a2f29411e515130316b07eceeebe8bc955