[INFO] cloning repository https://github.com/Antiarchitect/rust_rectangle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Antiarchitect/rust_rectangle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frust_rectangle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frust_rectangle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 136d62ba4cdae1052dbb2038f6e480537a8d7f30
[INFO] testing Antiarchitect/rust_rectangle against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntiarchitect%2Frust_rectangle" "/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/Antiarchitect/rust_rectangle on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Antiarchitect/rust_rectangle
[INFO] finished tweaking git repo https://github.com/Antiarchitect/rust_rectangle
[INFO] tweaked toml for git repo https://github.com/Antiarchitect/rust_rectangle written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Antiarchitect/rust_rectangle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 7db59334c0eb7ff7e4610c7e555013d5616d49c8c5a3ef5abcb3703241cf89e0
[INFO] running `Command { std: "docker" "start" "-a" "7db59334c0eb7ff7e4610c7e555013d5616d49c8c5a3ef5abcb3703241cf89e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db59334c0eb7ff7e4610c7e555013d5616d49c8c5a3ef5abcb3703241cf89e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db59334c0eb7ff7e4610c7e555013d5616d49c8c5a3ef5abcb3703241cf89e0", kill_on_drop: false }`
[INFO] [stdout] 7db59334c0eb7ff7e4610c7e555013d5616d49c8c5a3ef5abcb3703241cf89e0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c732be0b4658c370ae4740ff4834fcec7f8b30b62622252dfb195b0ae17b3703
[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" "c732be0b4658c370ae4740ff4834fcec7f8b30b62622252dfb195b0ae17b3703", kill_on_drop: false }`
[INFO] [stderr]    Compiling rectangle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         (self.height() * self.width())
[INFO] [stdout]    |         ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         (self.height() * self.width())
[INFO] [stdout] 39 +         self.height() * self.width()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "c732be0b4658c370ae4740ff4834fcec7f8b30b62622252dfb195b0ae17b3703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c732be0b4658c370ae4740ff4834fcec7f8b30b62622252dfb195b0ae17b3703", kill_on_drop: false }`
[INFO] [stdout] c732be0b4658c370ae4740ff4834fcec7f8b30b62622252dfb195b0ae17b3703
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 26a07f2d31d7c611b4811ef95a55148eaf2865c3f6f25589db48d63114ce13fb
[INFO] running `Command { std: "docker" "start" "-a" "26a07f2d31d7c611b4811ef95a55148eaf2865c3f6f25589db48d63114ce13fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rectangle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         (self.height() * self.width())
[INFO] [stdout]    |         ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         (self.height() * self.width())
[INFO] [stdout] 39 +         self.height() * self.width()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "26a07f2d31d7c611b4811ef95a55148eaf2865c3f6f25589db48d63114ce13fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a07f2d31d7c611b4811ef95a55148eaf2865c3f6f25589db48d63114ce13fb", kill_on_drop: false }`
[INFO] [stdout] 26a07f2d31d7c611b4811ef95a55148eaf2865c3f6f25589db48d63114ce13fb
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", 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] 444277d980ca49e181bae18162393ac1cb8cc1490a3019029190cd2872ae0733
[INFO] running `Command { std: "docker" "start" "-a" "444277d980ca49e181bae18162393ac1cb8cc1490a3019029190cd2872ae0733", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:39:9
[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] 39 |         (self.height() * self.width())
[INFO] [stdout] 
[INFO] [stderr]    |         ^                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 39 -         (self.height() * self.width())
[INFO] [stderr] 39 +         self.height() * self.width()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rectangle` (bin "rectangle" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rectangle-081a2dddb089bd44)
[INFO] running `Command { std: "docker" "inspect" "444277d980ca49e181bae18162393ac1cb8cc1490a3019029190cd2872ae0733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444277d980ca49e181bae18162393ac1cb8cc1490a3019029190cd2872ae0733", kill_on_drop: false }`
[INFO] [stdout] 444277d980ca49e181bae18162393ac1cb8cc1490a3019029190cd2872ae0733