[INFO] fetching crate zarr-filesystem 0.0.1-placeholder...
[INFO] testing zarr-filesystem-0.0.1-placeholder against 1.55.0 for beta-1.56-1
[INFO] extracting crate zarr-filesystem 0.0.1-placeholder into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zarr-filesystem 0.0.1-placeholder on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zarr-filesystem 0.0.1-placeholder
[INFO] finished tweaking crates.io crate zarr-filesystem 0.0.1-placeholder
[INFO] tweaked toml for crates.io crate zarr-filesystem 0.0.1-placeholder written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd031174528d24b96e42dc20a9acdff4349a8d2e4361bda2a25a9c98ea83c3ff
[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" "dd031174528d24b96e42dc20a9acdff4349a8d2e4361bda2a25a9c98ea83c3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd031174528d24b96e42dc20a9acdff4349a8d2e4361bda2a25a9c98ea83c3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd031174528d24b96e42dc20a9acdff4349a8d2e4361bda2a25a9c98ea83c3ff", kill_on_drop: false }`
[INFO] [stdout] dd031174528d24b96e42dc20a9acdff4349a8d2e4361bda2a25a9c98ea83c3ff
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 7e5fe159faa8247cb43869f10d7738f826a6831532400f986c56b752f7e59f24
[INFO] running `Command { std: "docker" "start" "-a" "7e5fe159faa8247cb43869f10d7738f826a6831532400f986c56b752f7e59f24", kill_on_drop: false }`
[INFO] [stderr]    Compiling zarr-filesystem v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "7e5fe159faa8247cb43869f10d7738f826a6831532400f986c56b752f7e59f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5fe159faa8247cb43869f10d7738f826a6831532400f986c56b752f7e59f24", kill_on_drop: false }`
[INFO] [stdout] 7e5fe159faa8247cb43869f10d7738f826a6831532400f986c56b752f7e59f24
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 82515d0d00aae5bc72c18a92017e9cb8b5d773dab827e4e9a12cee03f64b5bd6
[INFO] running `Command { std: "docker" "start" "-a" "82515d0d00aae5bc72c18a92017e9cb8b5d773dab827e4e9a12cee03f64b5bd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling zarr-filesystem v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "82515d0d00aae5bc72c18a92017e9cb8b5d773dab827e4e9a12cee03f64b5bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82515d0d00aae5bc72c18a92017e9cb8b5d773dab827e4e9a12cee03f64b5bd6", kill_on_drop: false }`
[INFO] [stdout] 82515d0d00aae5bc72c18a92017e9cb8b5d773dab827e4e9a12cee03f64b5bd6
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0952240a32a9d9df0b41c4847a6eadea3a21eee684777a042e5b09b1a3662c62
[INFO] running `Command { std: "docker" "start" "-a" "0952240a32a9d9df0b41c4847a6eadea3a21eee684777a042e5b09b1a3662c62", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zarr_filesystem-e1676eca9d0f93d3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zarr-filesystem
[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" "0952240a32a9d9df0b41c4847a6eadea3a21eee684777a042e5b09b1a3662c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0952240a32a9d9df0b41c4847a6eadea3a21eee684777a042e5b09b1a3662c62", kill_on_drop: false }`
[INFO] [stdout] 0952240a32a9d9df0b41c4847a6eadea3a21eee684777a042e5b09b1a3662c62