[INFO] fetching crate connect4-coms 0.1.0...
[INFO] testing connect4-coms-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate connect4-coms 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate connect4-coms 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connect4-coms 0.1.0
[INFO] finished tweaking crates.io crate connect4-coms 0.1.0
[INFO] tweaked toml for crates.io crate connect4-coms 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4da47b5a3e4851c99634a9f1e9b5c82d54213b8d290ef6177643dfec3f687e1c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4da47b5a3e4851c99634a9f1e9b5c82d54213b8d290ef6177643dfec3f687e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4da47b5a3e4851c99634a9f1e9b5c82d54213b8d290ef6177643dfec3f687e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da47b5a3e4851c99634a9f1e9b5c82d54213b8d290ef6177643dfec3f687e1c", kill_on_drop: false }`
[INFO] [stdout] 4da47b5a3e4851c99634a9f1e9b5c82d54213b8d290ef6177643dfec3f687e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf108b264e48b75ba9ff23e8cfb6acb246b02bc17c41a5fa5abd6d43169643c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf108b264e48b75ba9ff23e8cfb6acb246b02bc17c41a5fa5abd6d43169643c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling connect4-lib v0.1.0
[INFO] [stderr]    Compiling connect4-coms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> src/types.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use connect4_lib::game::{BoardState, Game, Player};
[INFO] [stdout]   |                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `username` should have an upper camel case name
[INFO] [stdout]   --> src/types.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     username(String),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.30s
[INFO] running `Command { std: "docker" "inspect" "bf108b264e48b75ba9ff23e8cfb6acb246b02bc17c41a5fa5abd6d43169643c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf108b264e48b75ba9ff23e8cfb6acb246b02bc17c41a5fa5abd6d43169643c8", kill_on_drop: false }`
[INFO] [stdout] bf108b264e48b75ba9ff23e8cfb6acb246b02bc17c41a5fa5abd6d43169643c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471e018b2203ca2364ec46d714c3c11f821243e77f96fd4add64da606a9a2fe0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "471e018b2203ca2364ec46d714c3c11f821243e77f96fd4add64da606a9a2fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling connect4-coms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> src/types.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use connect4_lib::game::{BoardState, Game, Player};
[INFO] [stdout]   |                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `username` should have an upper camel case name
[INFO] [stdout]   --> src/types.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     username(String),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]  --> src/types.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use connect4_lib::game::{BoardState, Game, Player};
[INFO] [stdout]   |                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `username` should have an upper camel case name
[INFO] [stdout]   --> src/types.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     username(String),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "471e018b2203ca2364ec46d714c3c11f821243e77f96fd4add64da606a9a2fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471e018b2203ca2364ec46d714c3c11f821243e77f96fd4add64da606a9a2fe0", kill_on_drop: false }`
[INFO] [stdout] 471e018b2203ca2364ec46d714c3c11f821243e77f96fd4add64da606a9a2fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ea1e22086e13454689558d745719eef6b154d7a430057c91acd4667968bec23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ea1e22086e13454689558d745719eef6b154d7a430057c91acd4667968bec23", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Player`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/types.rs:2:44
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use connect4_lib::game::{BoardState, Game, Player};
[INFO] [stdout] 
[INFO] [stderr]   |                                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `username` should have an upper camel case name
[INFO] [stderr]   --> src/types.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     username(String),
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `connect4-coms` (lib) generated 2 warnings
[INFO] [stderr] warning: `connect4-coms` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/connect4_coms-149f12f9ab7ac63b)
[INFO] [stderr]    Doc-tests connect4-coms
[INFO] [stderr] warning: variant `username` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/types.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     username(String),
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "7ea1e22086e13454689558d745719eef6b154d7a430057c91acd4667968bec23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea1e22086e13454689558d745719eef6b154d7a430057c91acd4667968bec23", kill_on_drop: false }`
[INFO] [stdout] 7ea1e22086e13454689558d745719eef6b154d7a430057c91acd4667968bec23