[INFO] cloning repository https://github.com/thomabel/connect-4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomabel/connect-4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomabel%2Fconnect-4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomabel%2Fconnect-4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10217d734989639c723adaae6ef6d46e8ed79359
[INFO] testing thomabel/connect-4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomabel%2Fconnect-4" "/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/thomabel/connect-4
[INFO] finished tweaking git repo https://github.com/thomabel/connect-4
[INFO] tweaked toml for git repo https://github.com/thomabel/connect-4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomabel/connect-4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomabel/connect-4 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7048e4381d995c72d3e51cb9ff062adbc910054b9dc2384cbff1c58e8e49b8b1
[INFO] running `Command { std: "docker" "start" "-a" "7048e4381d995c72d3e51cb9ff062adbc910054b9dc2384cbff1c58e8e49b8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7048e4381d995c72d3e51cb9ff062adbc910054b9dc2384cbff1c58e8e49b8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7048e4381d995c72d3e51cb9ff062adbc910054b9dc2384cbff1c58e8e49b8b1", kill_on_drop: false }`
[INFO] [stdout] 7048e4381d995c72d3e51cb9ff062adbc910054b9dc2384cbff1c58e8e49b8b1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb47522190de7d3db06d2a58550739c88866151bb9f5d66dcb973606f9eeee5
[INFO] running `Command { std: "docker" "start" "-a" "afb47522190de7d3db06d2a58550739c88866151bb9f5d66dcb973606f9eeee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling slab_tree v0.3.2
[INFO] [stderr]    Compiling connect-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `NodeId`, `NodeMut`, `NodeRef`, `TreeBuilder`, and `Tree`
[INFO] [stdout]  --> src/minimax.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use slab_tree::{Tree, TreeBuilder, NodeId, NodeMut, NodeRef};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "afb47522190de7d3db06d2a58550739c88866151bb9f5d66dcb973606f9eeee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb47522190de7d3db06d2a58550739c88866151bb9f5d66dcb973606f9eeee5", kill_on_drop: false }`
[INFO] [stdout] afb47522190de7d3db06d2a58550739c88866151bb9f5d66dcb973606f9eeee5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f7fabf702ec421b85cc2b6c9065c2a3e8b7e09b13b94ab3b3c565c57c6d622
[INFO] running `Command { std: "docker" "start" "-a" "e8f7fabf702ec421b85cc2b6c9065c2a3e8b7e09b13b94ab3b3c565c57c6d622", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `NodeId`, `NodeMut`, `NodeRef`, `TreeBuilder`, and `Tree`
[INFO] [stdout]  --> src/minimax.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use slab_tree::{Tree, TreeBuilder, NodeId, NodeMut, NodeRef};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "e8f7fabf702ec421b85cc2b6c9065c2a3e8b7e09b13b94ab3b3c565c57c6d622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f7fabf702ec421b85cc2b6c9065c2a3e8b7e09b13b94ab3b3c565c57c6d622", kill_on_drop: false }`
[INFO] [stdout] e8f7fabf702ec421b85cc2b6c9065c2a3e8b7e09b13b94ab3b3c565c57c6d622
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db1ad2d5867db38ff1cfd4a1735a473248710ce98d0dfe18aa95259be635acf6
[INFO] running `Command { std: "docker" "start" "-a" "db1ad2d5867db38ff1cfd4a1735a473248710ce98d0dfe18aa95259be635acf6", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `NodeId`, `NodeMut`, `NodeRef`, `TreeBuilder`, and `Tree`
[INFO] [stderr]  --> src/minimax.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use slab_tree::{Tree, TreeBuilder, NodeId, NodeMut, NodeRef};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect-4` (bin "connect-4" test) generated 1 warning (run `cargo fix --bin "connect-4" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect_4-40de5abef96bd85c)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test state::string_test ... ok
[INFO] [stdout] test state::moves_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db1ad2d5867db38ff1cfd4a1735a473248710ce98d0dfe18aa95259be635acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1ad2d5867db38ff1cfd4a1735a473248710ce98d0dfe18aa95259be635acf6", kill_on_drop: false }`
[INFO] [stdout] db1ad2d5867db38ff1cfd4a1735a473248710ce98d0dfe18aa95259be635acf6