[INFO] fetching crate pieces 0.2.0...
[INFO] testing pieces-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pieces 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pieces 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 pieces 0.2.0
[INFO] finished tweaking crates.io crate pieces 0.2.0
[INFO] tweaked toml for crates.io crate pieces 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pieces 0.2.0 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c8c3078992ca0ea595e2496a2182257ed8e5c33ad8c3703719b4cfa005c495ab
[INFO] running `Command { std: "docker" "start" "-a" "c8c3078992ca0ea595e2496a2182257ed8e5c33ad8c3703719b4cfa005c495ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c3078992ca0ea595e2496a2182257ed8e5c33ad8c3703719b4cfa005c495ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c3078992ca0ea595e2496a2182257ed8e5c33ad8c3703719b4cfa005c495ab", kill_on_drop: false }`
[INFO] [stdout] c8c3078992ca0ea595e2496a2182257ed8e5c33ad8c3703719b4cfa005c495ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6894daeee229ba76ff2721aa4d5c91dcab5bcdf611774768317f99bb0f275f50
[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" "6894daeee229ba76ff2721aa4d5c91dcab5bcdf611774768317f99bb0f275f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling pieces v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "6894daeee229ba76ff2721aa4d5c91dcab5bcdf611774768317f99bb0f275f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6894daeee229ba76ff2721aa4d5c91dcab5bcdf611774768317f99bb0f275f50", kill_on_drop: false }`
[INFO] [stdout] 6894daeee229ba76ff2721aa4d5c91dcab5bcdf611774768317f99bb0f275f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a1418715c33f9dd4567b8439e436397a6c29c4cb6d7881d21556e7cd39aeca65
[INFO] running `Command { std: "docker" "start" "-a" "a1418715c33f9dd4567b8439e436397a6c29c4cb6d7881d21556e7cd39aeca65", kill_on_drop: false }`
[INFO] [stderr]    Compiling pieces v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pieces-de5ce06f72e2c9fa)
[INFO] running `Command { std: "docker" "inspect" "a1418715c33f9dd4567b8439e436397a6c29c4cb6d7881d21556e7cd39aeca65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1418715c33f9dd4567b8439e436397a6c29c4cb6d7881d21556e7cd39aeca65", kill_on_drop: false }`
[INFO] [stdout] a1418715c33f9dd4567b8439e436397a6c29c4cb6d7881d21556e7cd39aeca65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7d61f823b22e95ef5cde68942ef462bcdfb222aee7646cb112edea89fe1787b7
[INFO] running `Command { std: "docker" "start" "-a" "7d61f823b22e95ef5cde68942ef462bcdfb222aee7646cb112edea89fe1787b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pieces-de5ce06f72e2c9fa)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests pieces
[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" "7d61f823b22e95ef5cde68942ef462bcdfb222aee7646cb112edea89fe1787b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d61f823b22e95ef5cde68942ef462bcdfb222aee7646cb112edea89fe1787b7", kill_on_drop: false }`
[INFO] [stdout] 7d61f823b22e95ef5cde68942ef462bcdfb222aee7646cb112edea89fe1787b7