[INFO] fetching crate scuttlebutt 0.2.0...
[INFO] testing scuttlebutt-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate scuttlebutt 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scuttlebutt 0.2.0 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 scuttlebutt 0.2.0
[INFO] finished tweaking crates.io crate scuttlebutt 0.2.0
[INFO] tweaked toml for crates.io crate scuttlebutt 0.2.0 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cd5a3914f8012fe09687756706522b41aab6775d2c7d1d97567c721db136011
[INFO] running `Command { std: "docker" "start" "-a" "4cd5a3914f8012fe09687756706522b41aab6775d2c7d1d97567c721db136011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd5a3914f8012fe09687756706522b41aab6775d2c7d1d97567c721db136011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd5a3914f8012fe09687756706522b41aab6775d2c7d1d97567c721db136011", kill_on_drop: false }`
[INFO] [stdout] 4cd5a3914f8012fe09687756706522b41aab6775d2c7d1d97567c721db136011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 08bf9790f1651c77807bc5240f97f9c4437f00d6240f23d9af7ecc077bd96bd4
[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" "08bf9790f1651c77807bc5240f97f9c4437f00d6240f23d9af7ecc077bd96bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuttlebutt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 7.83s
[INFO] running `Command { std: "docker" "inspect" "08bf9790f1651c77807bc5240f97f9c4437f00d6240f23d9af7ecc077bd96bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bf9790f1651c77807bc5240f97f9c4437f00d6240f23d9af7ecc077bd96bd4", kill_on_drop: false }`
[INFO] [stdout] 08bf9790f1651c77807bc5240f97f9c4437f00d6240f23d9af7ecc077bd96bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] f757e426ea2a0a7509681ce14fd8395ba68e1be6f2efd473101cfa1421eb0105
[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" "f757e426ea2a0a7509681ce14fd8395ba68e1be6f2efd473101cfa1421eb0105", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuttlebutt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 5.22s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/scuttlebutt-5e23a756f09f2169)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/scuttlebutt-f5a0249cc0c4a268)
[INFO] running `Command { std: "docker" "inspect" "f757e426ea2a0a7509681ce14fd8395ba68e1be6f2efd473101cfa1421eb0105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f757e426ea2a0a7509681ce14fd8395ba68e1be6f2efd473101cfa1421eb0105", kill_on_drop: false }`
[INFO] [stdout] f757e426ea2a0a7509681ce14fd8395ba68e1be6f2efd473101cfa1421eb0105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2822c2b16a6ce755e2e47c4efcd064cb91b2c58ab0716fe08c67feb4cc960857
[INFO] running `Command { std: "docker" "start" "-a" "2822c2b16a6ce755e2e47c4efcd064cb91b2c58ab0716fe08c67feb4cc960857", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:228:19
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let res = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scuttlebutt` (lib) generated 1 warning
[INFO] [stderr] warning: `scuttlebutt` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scuttlebutt-5e23a756f09f2169)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::events_generator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/scuttlebutt-f5a0249cc0c4a268)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scuttlebutt
[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] [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" "2822c2b16a6ce755e2e47c4efcd064cb91b2c58ab0716fe08c67feb4cc960857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2822c2b16a6ce755e2e47c4efcd064cb91b2c58ab0716fe08c67feb4cc960857", kill_on_drop: false }`
[INFO] [stdout] 2822c2b16a6ce755e2e47c4efcd064cb91b2c58ab0716fe08c67feb4cc960857