[INFO] fetching crate fastanvil 0.21.0...
[INFO] testing fastanvil-0.21.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fastanvil 0.21.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fastanvil 0.21.0 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 fastanvil 0.21.0
[INFO] finished tweaking crates.io crate fastanvil 0.21.0
[INFO] tweaked toml for crates.io crate fastanvil 0.21.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fastanvil 0.21.0 already has a lockfile, it will not be regenerated
[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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 216cd838ac1314d8828f59a8a9a91dd33386cedb8182cee2c2b33d30efcb40a3
[INFO] running `Command { std: "docker" "start" "-a" "216cd838ac1314d8828f59a8a9a91dd33386cedb8182cee2c2b33d30efcb40a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "216cd838ac1314d8828f59a8a9a91dd33386cedb8182cee2c2b33d30efcb40a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216cd838ac1314d8828f59a8a9a91dd33386cedb8182cee2c2b33d30efcb40a3", kill_on_drop: false }`
[INFO] [stdout] 216cd838ac1314d8828f59a8a9a91dd33386cedb8182cee2c2b33d30efcb40a3
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 365c2a32454d94c1cd20c4d7cb0281aa1018d44f20b6641b61bd26e1047d12a4
[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" "365c2a32454d94c1cd20c4d7cb0281aa1018d44f20b6641b61bd26e1047d12a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling fastnbt v1.1.0
[INFO] [stderr]    Compiling hematite-nbt v0.5.2
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.2
[INFO] [stderr]    Compiling num_enum v0.5.2
[INFO] [stderr]    Compiling fastanvil v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.39s
[INFO] running `Command { std: "docker" "inspect" "365c2a32454d94c1cd20c4d7cb0281aa1018d44f20b6641b61bd26e1047d12a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365c2a32454d94c1cd20c4d7cb0281aa1018d44f20b6641b61bd26e1047d12a4", kill_on_drop: false }`
[INFO] [stdout] 365c2a32454d94c1cd20c4d7cb0281aa1018d44f20b6641b61bd26e1047d12a4
[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: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] f21f730a452dfd2a809096b923e5d2759ea2bb5bb675fe663dd7c7b132ab19c6
[INFO] running `Command { std: "docker" "start" "-a" "f21f730a452dfd2a809096b923e5d2759ea2bb5bb675fe663dd7c7b132ab19c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling fastanvil v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.60s
[INFO] running `Command { std: "docker" "inspect" "f21f730a452dfd2a809096b923e5d2759ea2bb5bb675fe663dd7c7b132ab19c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21f730a452dfd2a809096b923e5d2759ea2bb5bb675fe663dd7c7b132ab19c6", kill_on_drop: false }`
[INFO] [stdout] f21f730a452dfd2a809096b923e5d2759ea2bb5bb675fe663dd7c7b132ab19c6
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d211e7614a17e949164b8792bc5afb4d95d7f14fc3e34699db6b5dd1b9d4e45b
[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" "d211e7614a17e949164b8792bc5afb4d95d7f14fc3e34699db6b5dd1b9d4e45b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastanvil-c629f8cbf00a07e9)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test bits::tests::heightmap_overworld_v1_15_2 ... ok
[INFO] [stdout] test bits::tests::nether_heightmap_v1_15_2 ... ok
[INFO] [stdout] test bits::tests::unpack_1_15_heightmap ... ok
[INFO] [stdout] test bits::tests::palette_size_checks ... ok
[INFO] [stdout] test test::rogue_chunks::etho ... ok
[INFO] [stdout] test tests::offset_beyond_data_given ... ok
[INFO] [stdout] test tex::test::cobblestone ... ok
[INFO] [stdout] test tests::invalid_offset_only_in_x ... ok
[INFO] [stdout] test tests::invalid_offset_only_in_z ... ok
[INFO] [stdout] test test::rogue_chunks::etho_empty ... ok
[INFO] [stdout] test tex::test::stairs ... ok
[INFO] [stdout] test test::rogue_chunks::etho_old_in_new ... ok
[INFO] [stdout] test tex::test::flatten_cobblestone_model_to_cube_generic ... ok
[INFO] [stdout] test test::rogue_chunks::etho_max_heights ... ok
[INFO] [stdout] test test::unicode_chunk::unicode_chunk ... ok
[INFO] [stdout] test test::rogue_chunks::etho_old_heightmap ... ok
[INFO] [stdout] test test::standard_chunks::chunk_1_17_0 ... ok
[INFO] [stdout] test tests::first_location ... ok
[INFO] [stdout] test tests::invalid_offset ... ok
[INFO] [stdout] test test::rogue_chunks::etho_old_in_new_with_rogue_bits ... ok
[INFO] [stdout] test test::standard_chunks::chunk_custom_heights_1_17_1 ... ok
[INFO] [stdout] test test::standard_chunks::chunk_1_17_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fastanvil
[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" "d211e7614a17e949164b8792bc5afb4d95d7f14fc3e34699db6b5dd1b9d4e45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d211e7614a17e949164b8792bc5afb4d95d7f14fc3e34699db6b5dd1b9d4e45b", kill_on_drop: false }`
[INFO] [stdout] d211e7614a17e949164b8792bc5afb4d95d7f14fc3e34699db6b5dd1b9d4e45b