[INFO] fetching crate membuffer 0.3.0...
[INFO] testing membuffer-0.3.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate membuffer 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate membuffer 0.3.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate membuffer 0.3.0
[INFO] finished tweaking crates.io crate membuffer 0.3.0
[INFO] tweaked toml for crates.io crate membuffer 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bbaa2ec6fe295d6b25d88b71e110c85471f7ad045338c576c6f9a18ecc887e4
[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" "1bbaa2ec6fe295d6b25d88b71e110c85471f7ad045338c576c6f9a18ecc887e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bbaa2ec6fe295d6b25d88b71e110c85471f7ad045338c576c6f9a18ecc887e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbaa2ec6fe295d6b25d88b71e110c85471f7ad045338c576c6f9a18ecc887e4", kill_on_drop: false }`
[INFO] [stdout] 1bbaa2ec6fe295d6b25d88b71e110c85471f7ad045338c576c6f9a18ecc887e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a834a5c8032cf9d3f20db86fc6b808c21d3acb650164ccaf10032e61da5f97e
[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" "7a834a5c8032cf9d3f20db86fc6b808c21d3acb650164ccaf10032e61da5f97e", kill_on_drop: false }`
[INFO] [stderr]    Compiling membuffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "7a834a5c8032cf9d3f20db86fc6b808c21d3acb650164ccaf10032e61da5f97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a834a5c8032cf9d3f20db86fc6b808c21d3acb650164ccaf10032e61da5f97e", kill_on_drop: false }`
[INFO] [stdout] 7a834a5c8032cf9d3f20db86fc6b808c21d3acb650164ccaf10032e61da5f97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 022c7b5b9071de2e9d455b149703cd66f26a1d8389b46937ab042e901e9b8a16
[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" "022c7b5b9071de2e9d455b149703cd66f26a1d8389b46937ab042e901e9b8a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling membuffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "022c7b5b9071de2e9d455b149703cd66f26a1d8389b46937ab042e901e9b8a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022c7b5b9071de2e9d455b149703cd66f26a1d8389b46937ab042e901e9b8a16", kill_on_drop: false }`
[INFO] [stdout] 022c7b5b9071de2e9d455b149703cd66f26a1d8389b46937ab042e901e9b8a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd73a67c3de7a3851398b4f51f018d95a8f10c5b356fee00bc111223d9bebb84
[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" "dd73a67c3de7a3851398b4f51f018d95a8f10c5b356fee00bc111223d9bebb84", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/membuffer-b086cd53f1b6b93e)
[INFO] [stdout] test tests::check_empty ... ok
[INFO] [stdout] test tests::check_mem_shift ... ok
[INFO] [stdout] test tests::check_enum_usage ... ok
[INFO] [stdout] test tests::check_serialize_i32_deserialize ... ok
[INFO] [stdout] test tests::check_type_error ... ok
[INFO] [stdout] test tests::check_serialize_vecu8_deserialize ... ok
[INFO] [stdout] test tests::check_serialize_vecu64_deserialize ... ok
[INFO] [stdout] test tests::check_recursive_readers ... ok
[INFO] [stdout] test tests::check_serialize_string_deserialize ... ok
[INFO] [stdout] test tests::check_serde_capability ... ok
[INFO] [stdout] test tests::check_slice_too_small ... ok
[INFO] [stdout] test tests::check_type_ids ... ok
[INFO] [stdout] test tests::check_reload_writer_from_mem ... ok
[INFO] [stdout] test tests::check_payload_len ... ok
[INFO] [stdout] test tests::check_read_attributes ... ok
[INFO] [stdout] test tests::check_len ... ok
[INFO] [stdout] test tests::corrupt_length ... ok
[INFO] [stderr]    Doc-tests membuffer
[INFO] [stdout] test tests::check_wrong_key - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MemBufferTypes (line 50) ... ok
[INFO] [stdout] test src/lib.rs - MemBufferReader (line 146) ... ok
[INFO] [stdout] test src/lib.rs - Position (line 17) ... ok
[INFO] [stdout] test src/lib.rs - MemBufferWriter::from (line 328) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd73a67c3de7a3851398b4f51f018d95a8f10c5b356fee00bc111223d9bebb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd73a67c3de7a3851398b4f51f018d95a8f10c5b356fee00bc111223d9bebb84", kill_on_drop: false }`
[INFO] [stdout] dd73a67c3de7a3851398b4f51f018d95a8f10c5b356fee00bc111223d9bebb84