[INFO] cloning repository https://github.com/nthieu173/wordle-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nthieu173/wordle-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthieu173%2Fwordle-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthieu173%2Fwordle-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd1f099e28a1e229557d612493b4736348e3a796
[INFO] testing nthieu173/wordle-bot against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthieu173%2Fwordle-bot" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nthieu173/wordle-bot
[INFO] finished tweaking git repo https://github.com/nthieu173/wordle-bot
[INFO] tweaked toml for git repo https://github.com/nthieu173/wordle-bot written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nthieu173/wordle-bot on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nthieu173/wordle-bot 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded clap_derive v3.0.14
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded clap v3.0.14
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 416eb5cd244eb811f02cfa86824f3e1e663868855f2b3b236078e1fc39da6cda
[INFO] running `Command { std: "docker" "start" "-a" "416eb5cd244eb811f02cfa86824f3e1e663868855f2b3b236078e1fc39da6cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416eb5cd244eb811f02cfa86824f3e1e663868855f2b3b236078e1fc39da6cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416eb5cd244eb811f02cfa86824f3e1e663868855f2b3b236078e1fc39da6cda", kill_on_drop: false }`
[INFO] [stdout] 416eb5cd244eb811f02cfa86824f3e1e663868855f2b3b236078e1fc39da6cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf1d093ab75bb1ddcb4593ccb3d5f5baaa3bdbca533766c7f95ce589070157d
[INFO] running `Command { std: "docker" "start" "-a" "baf1d093ab75bb1ddcb4593ccb3d5f5baaa3bdbca533766c7f95ce589070157d", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling clap v3.0.14
[INFO] [stderr]    Compiling wordle-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/mcts.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         drop(current_node);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&Node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 319 -         drop(current_node);
[INFO] [stdout] 319 +         let _ = current_node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "baf1d093ab75bb1ddcb4593ccb3d5f5baaa3bdbca533766c7f95ce589070157d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf1d093ab75bb1ddcb4593ccb3d5f5baaa3bdbca533766c7f95ce589070157d", kill_on_drop: false }`
[INFO] [stdout] baf1d093ab75bb1ddcb4593ccb3d5f5baaa3bdbca533766c7f95ce589070157d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe889c539bd47b601239c11c95788d134e620c2aa4a2a03a1ba03bef3c6d98a
[INFO] running `Command { std: "docker" "start" "-a" "1fe889c539bd47b601239c11c95788d134e620c2aa4a2a03a1ba03bef3c6d98a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling wordle-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/mcts.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         drop(current_node);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&Node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 319 -         drop(current_node);
[INFO] [stdout] 319 +         let _ = current_node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "1fe889c539bd47b601239c11c95788d134e620c2aa4a2a03a1ba03bef3c6d98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe889c539bd47b601239c11c95788d134e620c2aa4a2a03a1ba03bef3c6d98a", kill_on_drop: false }`
[INFO] [stdout] 1fe889c539bd47b601239c11c95788d134e620c2aa4a2a03a1ba03bef3c6d98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd3ac312d4039a926db5898a17771c32387eb2e30b14dbb52de441684452d0a4
[INFO] running `Command { std: "docker" "start" "-a" "cd3ac312d4039a926db5898a17771c32387eb2e30b14dbb52de441684452d0a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/mcts.rs:319:9
[INFO] [stderr]     |
[INFO] [stderr] 319 |         drop(current_node);
[INFO] [stderr]     |         ^^^^^------------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&Node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 319 -         drop(current_node);
[INFO] [stderr] 319 +         let _ = current_node;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `wordle-bot` (bin "wordle-bot" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wordle_bot-de4e5529a367ad3e)
[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" "cd3ac312d4039a926db5898a17771c32387eb2e30b14dbb52de441684452d0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3ac312d4039a926db5898a17771c32387eb2e30b14dbb52de441684452d0a4", kill_on_drop: false }`
[INFO] [stdout] cd3ac312d4039a926db5898a17771c32387eb2e30b14dbb52de441684452d0a4