[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleetie%2Fclosure-cacher" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leetie/closure-cacher 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 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-5/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" "+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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c303430cf587bb11339b0c907029c50e0b3c421bf0d51bce47908c3cc503e60
[INFO] running `Command { std: "docker" "start" "-a" "5c303430cf587bb11339b0c907029c50e0b3c421bf0d51bce47908c3cc503e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c303430cf587bb11339b0c907029c50e0b3c421bf0d51bce47908c3cc503e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c303430cf587bb11339b0c907029c50e0b3c421bf0d51bce47908c3cc503e60", kill_on_drop: false }`
[INFO] [stdout] 5c303430cf587bb11339b0c907029c50e0b3c421bf0d51bce47908c3cc503e60
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e64d18663d3ad340d60510d42e6c74c941c7500d1680668d8eb43b434d2bdb98
[INFO] running `Command { std: "docker" "start" "-a" "e64d18663d3ad340d60510d42e6c74c941c7500d1680668d8eb43b434d2bdb98", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e64d18663d3ad340d60510d42e6c74c941c7500d1680668d8eb43b434d2bdb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64d18663d3ad340d60510d42e6c74c941c7500d1680668d8eb43b434d2bdb98", kill_on_drop: false }`
[INFO] [stdout] e64d18663d3ad340d60510d42e6c74c941c7500d1680668d8eb43b434d2bdb98
[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] c2d85af0ae880fb8efa4b956c440d7df6374c0da38c1ba6cd6620591eb3931e5
[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" "c2d85af0ae880fb8efa4b956c440d7df6374c0da38c1ba6cd6620591eb3931e5", 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 0.88s
[INFO] running `Command { std: "docker" "inspect" "c2d85af0ae880fb8efa4b956c440d7df6374c0da38c1ba6cd6620591eb3931e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d85af0ae880fb8efa4b956c440d7df6374c0da38c1ba6cd6620591eb3931e5", kill_on_drop: false }`
[INFO] [stdout] c2d85af0ae880fb8efa4b956c440d7df6374c0da38c1ba6cd6620591eb3931e5
[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] b3c8180c132add33b24060cbcd466d7e23aa8acd0b54c7bcba4e5415d9ecf8e6
[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" "b3c8180c132add33b24060cbcd466d7e23aa8acd0b54c7bcba4e5415d9ecf8e6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u32>::is_power_of_two` that must be used
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:142:9
[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] 142 |         arg.is_power_of_two(); // bool type!
[INFO] [stdout] 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[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-2edf99f497306c24)
[INFO] running `Command { std: "docker" "inspect" "b3c8180c132add33b24060cbcd466d7e23aa8acd0b54c7bcba4e5415d9ecf8e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c8180c132add33b24060cbcd466d7e23aa8acd0b54c7bcba4e5415d9ecf8e6", kill_on_drop: false }`
[INFO] [stdout] b3c8180c132add33b24060cbcd466d7e23aa8acd0b54c7bcba4e5415d9ecf8e6