[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] testing tailcalled/corroded-knights against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailcalled%2Fcorroded-knights" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tailcalled/corroded-knights on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a952f45002fcd645e26c8da3e3888e19343f4ae49feba427e34ba77570fca176
[INFO] running `Command { std: "docker" "start" "-a" "a952f45002fcd645e26c8da3e3888e19343f4ae49feba427e34ba77570fca176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a952f45002fcd645e26c8da3e3888e19343f4ae49feba427e34ba77570fca176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a952f45002fcd645e26c8da3e3888e19343f4ae49feba427e34ba77570fca176", kill_on_drop: false }`
[INFO] [stdout] a952f45002fcd645e26c8da3e3888e19343f4ae49feba427e34ba77570fca176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58a802567cf5eea58c8b72602f504e9ab0c601df292d5a547b4ad1fbb896896f
[INFO] running `Command { std: "docker" "start" "-a" "58a802567cf5eea58c8b72602f504e9ab0c601df292d5a547b4ad1fbb896896f", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "58a802567cf5eea58c8b72602f504e9ab0c601df292d5a547b4ad1fbb896896f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a802567cf5eea58c8b72602f504e9ab0c601df292d5a547b4ad1fbb896896f", kill_on_drop: false }`
[INFO] [stdout] 58a802567cf5eea58c8b72602f504e9ab0c601df292d5a547b4ad1fbb896896f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b1e2c6bf1b587d225cfabd887fdb6ead12552109d13d0db8127f42d0f436cba
[INFO] running `Command { std: "docker" "start" "-a" "2b1e2c6bf1b587d225cfabd887fdb6ead12552109d13d0db8127f42d0f436cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "2b1e2c6bf1b587d225cfabd887fdb6ead12552109d13d0db8127f42d0f436cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1e2c6bf1b587d225cfabd887fdb6ead12552109d13d0db8127f42d0f436cba", kill_on_drop: false }`
[INFO] [stdout] 2b1e2c6bf1b587d225cfabd887fdb6ead12552109d13d0db8127f42d0f436cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d252068c0177a7ab729d2eb2a2eca044fa4dc74573e5c6b1db16b546bb36b619
[INFO] running `Command { std: "docker" "start" "-a" "d252068c0177a7ab729d2eb2a2eca044fa4dc74573e5c6b1db16b546bb36b619", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `bmv`
[INFO] [stderr]   --> src/strategy/minimax.rs:59:39
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bmv`
[INFO] [stderr]    --> src/strategy/minimax.rs:153:39
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bmv`
[INFO] [stderr]    --> src/strategy/minimax.rs:209:39
[INFO] [stderr]     |
[INFO] [stderr] 209 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bmv`
[INFO] [stderr]    --> src/strategy/minimax.rs:277:39
[INFO] [stderr]     |
[INFO] [stderr] 277 |                     else if let Some((bmv, bscore)) = best {
[INFO] [stderr]     |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_bmv`
[INFO] [stderr] 
[INFO] [stderr] warning: `corroded-knights` (bin "corroded-knights" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/corroded_knights-3ad47611fd6c4ac5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d252068c0177a7ab729d2eb2a2eca044fa4dc74573e5c6b1db16b546bb36b619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d252068c0177a7ab729d2eb2a2eca044fa4dc74573e5c6b1db16b546bb36b619", kill_on_drop: false }`
[INFO] [stdout] d252068c0177a7ab729d2eb2a2eca044fa4dc74573e5c6b1db16b546bb36b619