[INFO] fetching crate mdd-lib 0.1.8...
[INFO] testing mdd-lib-0.1.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mdd-lib 0.1.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mdd-lib 0.1.8 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 mdd-lib 0.1.8
[INFO] finished tweaking crates.io crate mdd-lib 0.1.8
[INFO] tweaked toml for crates.io crate mdd-lib 0.1.8 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d887761f59f7e56bddb2e969e3d0eed3540c0aa9743e57ad22c0fee1cb4d6982
[INFO] running `Command { std: "docker" "start" "-a" "d887761f59f7e56bddb2e969e3d0eed3540c0aa9743e57ad22c0fee1cb4d6982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d887761f59f7e56bddb2e969e3d0eed3540c0aa9743e57ad22c0fee1cb4d6982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d887761f59f7e56bddb2e969e3d0eed3540c0aa9743e57ad22c0fee1cb4d6982", kill_on_drop: false }`
[INFO] [stdout] d887761f59f7e56bddb2e969e3d0eed3540c0aa9743e57ad22c0fee1cb4d6982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7419dd723ed3ee128edc85b904c79f9a993468238419283623c67444cbc5f5eb
[INFO] running `Command { std: "docker" "start" "-a" "7419dd723ed3ee128edc85b904c79f9a993468238419283623c67444cbc5f5eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdd-lib v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "7419dd723ed3ee128edc85b904c79f9a993468238419283623c67444cbc5f5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7419dd723ed3ee128edc85b904c79f9a993468238419283623c67444cbc5f5eb", kill_on_drop: false }`
[INFO] [stdout] 7419dd723ed3ee128edc85b904c79f9a993468238419283623c67444cbc5f5eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4bc4140fb377c00715682bf7fafac7d1d9035f6f26e93c9ace60d318e8709ea8
[INFO] running `Command { std: "docker" "start" "-a" "4bc4140fb377c00715682bf7fafac7d1d9035f6f26e93c9ace60d318e8709ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdd-lib v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdd_lib-11b767dd6b4c3663)
[INFO] running `Command { std: "docker" "inspect" "4bc4140fb377c00715682bf7fafac7d1d9035f6f26e93c9ace60d318e8709ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc4140fb377c00715682bf7fafac7d1d9035f6f26e93c9ace60d318e8709ea8", kill_on_drop: false }`
[INFO] [stdout] 4bc4140fb377c00715682bf7fafac7d1d9035f6f26e93c9ace60d318e8709ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9d983354a11d6d23c06bd3c941e047af71ba3c54db9613555f574f0fc3caf89b
[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" "9d983354a11d6d23c06bd3c941e047af71ba3c54db9613555f574f0fc3caf89b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mdd_lib-11b767dd6b4c3663)
[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] [stderr]    Doc-tests mdd-lib
[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" "9d983354a11d6d23c06bd3c941e047af71ba3c54db9613555f574f0fc3caf89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d983354a11d6d23c06bd3c941e047af71ba3c54db9613555f574f0fc3caf89b", kill_on_drop: false }`
[INFO] [stdout] 9d983354a11d6d23c06bd3c941e047af71ba3c54db9613555f574f0fc3caf89b