[INFO] fetching crate looper 0.0.2...
[INFO] testing looper-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate looper 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate looper 0.0.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate looper 0.0.2
[INFO] finished tweaking crates.io crate looper 0.0.2
[INFO] tweaked toml for crates.io crate looper 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1c99552f34922d034d8e9419bf4e05e6b8caddea61a5809fffb903fc81f9f06
[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" "f1c99552f34922d034d8e9419bf4e05e6b8caddea61a5809fffb903fc81f9f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1c99552f34922d034d8e9419bf4e05e6b8caddea61a5809fffb903fc81f9f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c99552f34922d034d8e9419bf4e05e6b8caddea61a5809fffb903fc81f9f06", kill_on_drop: false }`
[INFO] [stdout] f1c99552f34922d034d8e9419bf4e05e6b8caddea61a5809fffb903fc81f9f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-04-10" "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] e08621b13dcf02d3a80869a3aee47542c483df5ff6cb6ac3c4f349d5d8d68929
[INFO] running `Command { std: "docker" "start" "-a" "e08621b13dcf02d3a80869a3aee47542c483df5ff6cb6ac3c4f349d5d8d68929", kill_on_drop: false }`
[INFO] [stderr]    Compiling looper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `update`
[INFO] [stdout]   --> src/realtime.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     update: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `RealtimeIter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/realtime.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Clone)] // TODO remove
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "e08621b13dcf02d3a80869a3aee47542c483df5ff6cb6ac3c4f349d5d8d68929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08621b13dcf02d3a80869a3aee47542c483df5ff6cb6ac3c4f349d5d8d68929", kill_on_drop: false }`
[INFO] [stdout] e08621b13dcf02d3a80869a3aee47542c483df5ff6cb6ac3c4f349d5d8d68929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-04-10" "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] e873d0a3e2d9d606bcc7e6e5ef70be0f5958ab0acacbf38d3be9f85fb2fc9094
[INFO] running `Command { std: "docker" "start" "-a" "e873d0a3e2d9d606bcc7e6e5ef70be0f5958ab0acacbf38d3be9f85fb2fc9094", kill_on_drop: false }`
[INFO] [stderr]    Compiling looper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `update`
[INFO] [stdout]   --> src/realtime.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     update: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `RealtimeIter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/realtime.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Clone)] // TODO remove
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `update`
[INFO] [stdout]   --> src/realtime.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     update: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `RealtimeIter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/realtime.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Clone)] // TODO remove
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/looper-6ea7b01f2efa814a)
[INFO] running `Command { std: "docker" "inspect" "e873d0a3e2d9d606bcc7e6e5ef70be0f5958ab0acacbf38d3be9f85fb2fc9094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e873d0a3e2d9d606bcc7e6e5ef70be0f5958ab0acacbf38d3be9f85fb2fc9094", kill_on_drop: false }`
[INFO] [stdout] e873d0a3e2d9d606bcc7e6e5ef70be0f5958ab0acacbf38d3be9f85fb2fc9094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-04-10" "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] f9ceceb1667146bfa3220aae680c85514966b517f2a0e4c22e06cf9e5e2a4b09
[INFO] running `Command { std: "docker" "start" "-a" "f9ceceb1667146bfa3220aae680c85514966b517f2a0e4c22e06cf9e5e2a4b09", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `update`
[INFO] [stderr]   --> src/realtime.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     update: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `RealtimeIter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/realtime.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | #[derive(Clone)] // TODO remove
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `looper` (lib) generated 1 warning
[INFO] [stderr] warning: `looper` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/looper-6ea7b01f2efa814a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::it_renders ... ok
[INFO] [stdout] test tests::it_updates ... ok
[INFO] [stdout] test tests::it_renders_and_updates ... ok
[INFO] [stderr]    Doc-tests looper
[INFO] [stdout] test tests::it_rps ... ok
[INFO] [stdout] test tests::it_ups ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "f9ceceb1667146bfa3220aae680c85514966b517f2a0e4c22e06cf9e5e2a4b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ceceb1667146bfa3220aae680c85514966b517f2a0e4c22e06cf9e5e2a4b09", kill_on_drop: false }`
[INFO] [stdout] f9ceceb1667146bfa3220aae680c85514966b517f2a0e4c22e06cf9e5e2a4b09