[INFO] fetching crate sponge-preview 0.2.0...
[INFO] testing sponge-preview-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sponge-preview 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sponge-preview 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sponge-preview 0.2.0
[INFO] finished tweaking crates.io crate sponge-preview 0.2.0
[INFO] tweaked toml for crates.io crate sponge-preview 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13ab5b1cbdff0ada04f5ecc5652182f3fdad48f9d8ebbea34163fea75394583c
[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" "13ab5b1cbdff0ada04f5ecc5652182f3fdad48f9d8ebbea34163fea75394583c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13ab5b1cbdff0ada04f5ecc5652182f3fdad48f9d8ebbea34163fea75394583c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ab5b1cbdff0ada04f5ecc5652182f3fdad48f9d8ebbea34163fea75394583c", kill_on_drop: false }`
[INFO] [stdout] 13ab5b1cbdff0ada04f5ecc5652182f3fdad48f9d8ebbea34163fea75394583c
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 7e1d82019d7d3133bee1f796aafd4bfe0c3fa4c39261bcc88d64d51e7b7a053e
[INFO] running `Command { std: "docker" "start" "-a" "7e1d82019d7d3133bee1f796aafd4bfe0c3fa4c39261bcc88d64d51e7b7a053e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sponge-preview v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "7e1d82019d7d3133bee1f796aafd4bfe0c3fa4c39261bcc88d64d51e7b7a053e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1d82019d7d3133bee1f796aafd4bfe0c3fa4c39261bcc88d64d51e7b7a053e", kill_on_drop: false }`
[INFO] [stdout] 7e1d82019d7d3133bee1f796aafd4bfe0c3fa4c39261bcc88d64d51e7b7a053e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 49a02391e0987099a7093d3b8552f02e036c03255f020e9bb633c8451d680bc4
[INFO] running `Command { std: "docker" "start" "-a" "49a02391e0987099a7093d3b8552f02e036c03255f020e9bb633c8451d680bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sponge-preview v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "49a02391e0987099a7093d3b8552f02e036c03255f020e9bb633c8451d680bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a02391e0987099a7093d3b8552f02e036c03255f020e9bb633c8451d680bc4", kill_on_drop: false }`
[INFO] [stdout] 49a02391e0987099a7093d3b8552f02e036c03255f020e9bb633c8451d680bc4
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03ae4762d3c062304cf3ae34fcd627d9798edc60ae641f3d4fe998dc01595f8a
[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" "03ae4762d3c062304cf3ae34fcd627d9798edc60ae641f3d4fe998dc01595f8a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sponge_preview-efb0fa15d5382603)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sponge-preview
[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" "03ae4762d3c062304cf3ae34fcd627d9798edc60ae641f3d4fe998dc01595f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ae4762d3c062304cf3ae34fcd627d9798edc60ae641f3d4fe998dc01595f8a", kill_on_drop: false }`
[INFO] [stdout] 03ae4762d3c062304cf3ae34fcd627d9798edc60ae641f3d4fe998dc01595f8a