[INFO] fetching crate arcus 0.1.0...
[INFO] testing arcus-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate arcus 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arcus 0.1.0 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 arcus 0.1.0
[INFO] finished tweaking crates.io crate arcus 0.1.0
[INFO] tweaked toml for crates.io crate arcus 0.1.0 written to /workspace/builds/worker-3/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-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: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] 4b034d1006585915e845f3d58dead6ef3dc09d16d92b62977d60966c7bc68109
[INFO] running `Command { std: "docker" "start" "-a" "4b034d1006585915e845f3d58dead6ef3dc09d16d92b62977d60966c7bc68109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b034d1006585915e845f3d58dead6ef3dc09d16d92b62977d60966c7bc68109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b034d1006585915e845f3d58dead6ef3dc09d16d92b62977d60966c7bc68109", kill_on_drop: false }`
[INFO] [stdout] 4b034d1006585915e845f3d58dead6ef3dc09d16d92b62977d60966c7bc68109
[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: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] 3c62cfd8ba3054f2d8992e5ae071da63bbbf4084c22b35a9ff5c9143af8c193d
[INFO] running `Command { std: "docker" "start" "-a" "3c62cfd8ba3054f2d8992e5ae071da63bbbf4084c22b35a9ff5c9143af8c193d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling arcus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "3c62cfd8ba3054f2d8992e5ae071da63bbbf4084c22b35a9ff5c9143af8c193d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c62cfd8ba3054f2d8992e5ae071da63bbbf4084c22b35a9ff5c9143af8c193d", kill_on_drop: false }`
[INFO] [stdout] 3c62cfd8ba3054f2d8992e5ae071da63bbbf4084c22b35a9ff5c9143af8c193d
[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: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] 8b642ce2467ebe2c76f901a7aa933267c84f8465e9b1146dd47ec873481478e0
[INFO] running `Command { std: "docker" "start" "-a" "8b642ce2467ebe2c76f901a7aa933267c84f8465e9b1146dd47ec873481478e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling arcus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/arcus-ad1992e8643dc822)
[INFO] running `Command { std: "docker" "inspect" "8b642ce2467ebe2c76f901a7aa933267c84f8465e9b1146dd47ec873481478e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b642ce2467ebe2c76f901a7aa933267c84f8465e9b1146dd47ec873481478e0", kill_on_drop: false }`
[INFO] [stdout] 8b642ce2467ebe2c76f901a7aa933267c84f8465e9b1146dd47ec873481478e0
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e067f5ef9ac4dc98ffb9e2c01d15711dcb4f374394d2465180967febbc8242f2
[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" "e067f5ef9ac4dc98ffb9e2c01d15711dcb4f374394d2465180967febbc8242f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/arcus-ad1992e8643dc822)
[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" "e067f5ef9ac4dc98ffb9e2c01d15711dcb4f374394d2465180967febbc8242f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e067f5ef9ac4dc98ffb9e2c01d15711dcb4f374394d2465180967febbc8242f2", kill_on_drop: false }`
[INFO] [stdout] e067f5ef9ac4dc98ffb9e2c01d15711dcb4f374394d2465180967febbc8242f2