[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 master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomabel/connect-4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded slab_tree v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd6df53ca6ec754f8b0c7501fbd33e5b29988c86d8e705e1f3c0eaca22a89f6a
[INFO] running `Command { std: "docker" "start" "-a" "cd6df53ca6ec754f8b0c7501fbd33e5b29988c86d8e705e1f3c0eaca22a89f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd6df53ca6ec754f8b0c7501fbd33e5b29988c86d8e705e1f3c0eaca22a89f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6df53ca6ec754f8b0c7501fbd33e5b29988c86d8e705e1f3c0eaca22a89f6a", kill_on_drop: false }`
[INFO] [stdout] cd6df53ca6ec754f8b0c7501fbd33e5b29988c86d8e705e1f3c0eaca22a89f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 926c938e2dfa0505f00d59418cf83e8bbcc7c6067b8ad5369a33d40179e6f570
[INFO] running `Command { std: "docker" "start" "-a" "926c938e2dfa0505f00d59418cf83e8bbcc7c6067b8ad5369a33d40179e6f570", 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "926c938e2dfa0505f00d59418cf83e8bbcc7c6067b8ad5369a33d40179e6f570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926c938e2dfa0505f00d59418cf83e8bbcc7c6067b8ad5369a33d40179e6f570", kill_on_drop: false }`
[INFO] [stdout] 926c938e2dfa0505f00d59418cf83e8bbcc7c6067b8ad5369a33d40179e6f570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c6ea08538728546b1cf006824010c6edf34ad5f9f1450f1c3ea8abd760cac3
[INFO] running `Command { std: "docker" "start" "-a" "d7c6ea08538728546b1cf006824010c6edf34ad5f9f1450f1c3ea8abd760cac3", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "d7c6ea08538728546b1cf006824010c6edf34ad5f9f1450f1c3ea8abd760cac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c6ea08538728546b1cf006824010c6edf34ad5f9f1450f1c3ea8abd760cac3", kill_on_drop: false }`
[INFO] [stdout] d7c6ea08538728546b1cf006824010c6edf34ad5f9f1450f1c3ea8abd760cac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99a4d4b4c2165f2908d90eef82eda5dd70fdb1748abf59033c4a7802bdb05d40
[INFO] running `Command { std: "docker" "start" "-a" "99a4d4b4c2165f2908d90eef82eda5dd70fdb1748abf59033c4a7802bdb05d40", 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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect_4-40de5abef96bd85c)
[INFO] [stdout] 
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99a4d4b4c2165f2908d90eef82eda5dd70fdb1748abf59033c4a7802bdb05d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a4d4b4c2165f2908d90eef82eda5dd70fdb1748abf59033c4a7802bdb05d40", kill_on_drop: false }`
[INFO] [stdout] 99a4d4b4c2165f2908d90eef82eda5dd70fdb1748abf59033c4a7802bdb05d40