[INFO] cloning repository https://github.com/srirangan/rust-tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/srirangan/rust-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrirangan%2Frust-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrirangan%2Frust-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572aee783f106357717590424f50bcfec9b54927
[INFO] testing srirangan/rust-tic-tac-toe against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrirangan%2Frust-tic-tac-toe" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/srirangan/rust-tic-tac-toe on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/srirangan/rust-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/srirangan/rust-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/srirangan/rust-tic-tac-toe written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/srirangan/rust-tic-tac-toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2224e5e5825d99bf3f6fe0eb70523eb576e45bfa7c502227050937d3eb44277f
[INFO] running `Command { std: "docker" "start" "-a" "2224e5e5825d99bf3f6fe0eb70523eb576e45bfa7c502227050937d3eb44277f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2224e5e5825d99bf3f6fe0eb70523eb576e45bfa7c502227050937d3eb44277f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2224e5e5825d99bf3f6fe0eb70523eb576e45bfa7c502227050937d3eb44277f", kill_on_drop: false }`
[INFO] [stdout] 2224e5e5825d99bf3f6fe0eb70523eb576e45bfa7c502227050937d3eb44277f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ce31d81e9b4d90cf6a589b18acb2de1ede63a0e229b12e4c43e86df9ff4a504
[INFO] running `Command { std: "docker" "start" "-a" "7ce31d81e9b4d90cf6a589b18acb2de1ede63a0e229b12e4c43e86df9ff4a504", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling learning-rust-01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     std::process::Command::new("clear").status().unwrap().success();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "7ce31d81e9b4d90cf6a589b18acb2de1ede63a0e229b12e4c43e86df9ff4a504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce31d81e9b4d90cf6a589b18acb2de1ede63a0e229b12e4c43e86df9ff4a504", kill_on_drop: false }`
[INFO] [stdout] 7ce31d81e9b4d90cf6a589b18acb2de1ede63a0e229b12e4c43e86df9ff4a504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74b0738b92defdde08f4b88943299e8643c33d563861b102557839df8b63dec2
[INFO] running `Command { std: "docker" "start" "-a" "74b0738b92defdde08f4b88943299e8643c33d563861b102557839df8b63dec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust-01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout]   --> src/main.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     std::process::Command::new("clear").status().unwrap().success();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "74b0738b92defdde08f4b88943299e8643c33d563861b102557839df8b63dec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b0738b92defdde08f4b88943299e8643c33d563861b102557839df8b63dec2", kill_on_drop: false }`
[INFO] [stdout] 74b0738b92defdde08f4b88943299e8643c33d563861b102557839df8b63dec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dcfdf1700090dc4624de06bc81642215070e75a17e252554582a59eb9cf07ff
[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" "0dcfdf1700090dc4624de06bc81642215070e75a17e252554582a59eb9cf07ff", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `ExitStatus::success` that must be used
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:88:5
[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] 88 |     std::process::Command::new("clear").status().unwrap().success();
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learning-rust-01` (bin "learning-rust-01" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust_01-1b271e72209b2d23)
[INFO] running `Command { std: "docker" "inspect" "0dcfdf1700090dc4624de06bc81642215070e75a17e252554582a59eb9cf07ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcfdf1700090dc4624de06bc81642215070e75a17e252554582a59eb9cf07ff", kill_on_drop: false }`
[INFO] [stdout] 0dcfdf1700090dc4624de06bc81642215070e75a17e252554582a59eb9cf07ff