[INFO] cloning repository https://github.com/leetie/closure-cacher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leetie/closure-cacher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2Fclosure-cacher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2Fclosure-cacher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2419e4809808df32781f0af984bb1a69d1ae2575
[INFO] testing leetie/closure-cacher against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2Fclosure-cacher" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leetie/closure-cacher 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/leetie/closure-cacher
[INFO] finished tweaking git repo https://github.com/leetie/closure-cacher
[INFO] tweaked toml for git repo https://github.com/leetie/closure-cacher written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/leetie/closure-cacher 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 189c24fd8970c83c6b33a0d45d629b8f93f15aaed1e1d2ecf4d22305e4122dcb
[INFO] running `Command { std: "docker" "start" "-a" "189c24fd8970c83c6b33a0d45d629b8f93f15aaed1e1d2ecf4d22305e4122dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189c24fd8970c83c6b33a0d45d629b8f93f15aaed1e1d2ecf4d22305e4122dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189c24fd8970c83c6b33a0d45d629b8f93f15aaed1e1d2ecf4d22305e4122dcb", kill_on_drop: false }`
[INFO] [stdout] 189c24fd8970c83c6b33a0d45d629b8f93f15aaed1e1d2ecf4d22305e4122dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] ec06a50e7b96912abdb96b9ff06c05bd5449b9cc0d5c803a578d133918d495b2
[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" "ec06a50e7b96912abdb96b9ff06c05bd5449b9cc0d5c803a578d133918d495b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure-cacher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::num::<impl u32>::is_power_of_two` that must be used
[INFO] [stdout]    --> src/main.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         arg.is_power_of_two(); // bool type!
[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 2.14s
[INFO] running `Command { std: "docker" "inspect" "ec06a50e7b96912abdb96b9ff06c05bd5449b9cc0d5c803a578d133918d495b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec06a50e7b96912abdb96b9ff06c05bd5449b9cc0d5c803a578d133918d495b2", kill_on_drop: false }`
[INFO] [stdout] ec06a50e7b96912abdb96b9ff06c05bd5449b9cc0d5c803a578d133918d495b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d7500b8b3a95540e2d82c80436b06a66ae28da3f29ea8cff1b424209430f247f
[INFO] running `Command { std: "docker" "start" "-a" "d7500b8b3a95540e2d82c80436b06a66ae28da3f29ea8cff1b424209430f247f", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure-cacher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::num::<impl u32>::is_power_of_two` that must be used
[INFO] [stdout]    --> src/main.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         arg.is_power_of_two(); // bool type!
[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 0.79s
[INFO] running `Command { std: "docker" "inspect" "d7500b8b3a95540e2d82c80436b06a66ae28da3f29ea8cff1b424209430f247f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7500b8b3a95540e2d82c80436b06a66ae28da3f29ea8cff1b424209430f247f", kill_on_drop: false }`
[INFO] [stdout] d7500b8b3a95540e2d82c80436b06a66ae28da3f29ea8cff1b424209430f247f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1ceade67e606abb332278ded3c55dda97b0f2f31325795d72628927a82daad0
[INFO] running `Command { std: "docker" "start" "-a" "a1ceade67e606abb332278ded3c55dda97b0f2f31325795d72628927a82daad0", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `core::num::<impl u32>::is_power_of_two` that must be used
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 142 |         arg.is_power_of_two(); // bool type!
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `closure-cacher` (bin "closure-cacher" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closure_cacher-5e73cd42099f1d00)
[INFO] running `Command { std: "docker" "inspect" "a1ceade67e606abb332278ded3c55dda97b0f2f31325795d72628927a82daad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ceade67e606abb332278ded3c55dda97b0f2f31325795d72628927a82daad0", kill_on_drop: false }`
[INFO] [stdout] a1ceade67e606abb332278ded3c55dda97b0f2f31325795d72628927a82daad0