[INFO] cloning repository https://github.com/tailcalled/corroded-knights
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tailcalled/corroded-knights" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailcalled%2Fcorroded-knights", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailcalled%2Fcorroded-knights'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb83d801fde1aaafa9fdf2677dba965d7d74f9f1
[INFO] checking tailcalled/corroded-knights against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailcalled%2Fcorroded-knights" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tailcalled/corroded-knights
[INFO] finished tweaking git repo https://github.com/tailcalled/corroded-knights
[INFO] tweaked toml for git repo https://github.com/tailcalled/corroded-knights written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tailcalled/corroded-knights on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tailcalled/corroded-knights 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2d130a14ba9dac0b451f22dd23d51feeeab737012f5eaf0339f19880d5da54b
[INFO] running `Command { std: "docker" "start" "-a" "b2d130a14ba9dac0b451f22dd23d51feeeab737012f5eaf0339f19880d5da54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d130a14ba9dac0b451f22dd23d51feeeab737012f5eaf0339f19880d5da54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d130a14ba9dac0b451f22dd23d51feeeab737012f5eaf0339f19880d5da54b", kill_on_drop: false }`
[INFO] [stdout] b2d130a14ba9dac0b451f22dd23d51feeeab737012f5eaf0339f19880d5da54b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5f726d6084bd1b5080542fb5e3fef8c5e058b4f034c900e97b7f9d65e04ef0
[INFO] running `Command { std: "docker" "start" "-a" "0b5f726d6084bd1b5080542fb5e3fef8c5e058b4f034c900e97b7f9d65e04ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking termion v2.0.1
[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]     Checking corroded-knights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]   --> src/strategy/minimax.rs:59:39
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]    --> src/strategy/minimax.rs:153:39
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]    --> src/strategy/minimax.rs:209:39
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]    --> src/strategy/minimax.rs:277:39
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]   --> src/strategy/minimax.rs:59:39
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]    --> src/strategy/minimax.rs:153:39
[INFO] [stdout]     |
[INFO] [stdout] 153 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]    --> src/strategy/minimax.rs:209:39
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bmv`
[INFO] [stdout]    --> src/strategy/minimax.rs:277:39
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stdout]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "0b5f726d6084bd1b5080542fb5e3fef8c5e058b4f034c900e97b7f9d65e04ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5f726d6084bd1b5080542fb5e3fef8c5e058b4f034c900e97b7f9d65e04ef0", kill_on_drop: false }`
[INFO] [stdout] 0b5f726d6084bd1b5080542fb5e3fef8c5e058b4f034c900e97b7f9d65e04ef0