[INFO] fetching crate rudano 0.1.0...
[INFO] testing rudano-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rudano 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rudano 0.1.0 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 rudano 0.1.0
[INFO] finished tweaking crates.io crate rudano 0.1.0
[INFO] tweaked toml for crates.io crate rudano 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 75f6f0bf9f3e54e26fa830f361c92e4a1b766b0625631d368dbb06cc0b1a3eef
[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" "75f6f0bf9f3e54e26fa830f361c92e4a1b766b0625631d368dbb06cc0b1a3eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75f6f0bf9f3e54e26fa830f361c92e4a1b766b0625631d368dbb06cc0b1a3eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f6f0bf9f3e54e26fa830f361c92e4a1b766b0625631d368dbb06cc0b1a3eef", kill_on_drop: false }`
[INFO] [stdout] 75f6f0bf9f3e54e26fa830f361c92e4a1b766b0625631d368dbb06cc0b1a3eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d914247632d0a12b96888ce09e87cbff61b81b133bd00352b8e2b0ad79775ac4
[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" "d914247632d0a12b96888ce09e87cbff61b81b133bd00352b8e2b0ad79775ac4", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rudano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "d914247632d0a12b96888ce09e87cbff61b81b133bd00352b8e2b0ad79775ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d914247632d0a12b96888ce09e87cbff61b81b133bd00352b8e2b0ad79775ac4", kill_on_drop: false }`
[INFO] [stdout] d914247632d0a12b96888ce09e87cbff61b81b133bd00352b8e2b0ad79775ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1e166b6b184606c618034b54a076193ecc0329470e6934c0db77b3b7c610da9f
[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" "1e166b6b184606c618034b54a076193ecc0329470e6934c0db77b3b7c610da9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rudano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "1e166b6b184606c618034b54a076193ecc0329470e6934c0db77b3b7c610da9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e166b6b184606c618034b54a076193ecc0329470e6934c0db77b3b7c610da9f", kill_on_drop: false }`
[INFO] [stdout] 1e166b6b184606c618034b54a076193ecc0329470e6934c0db77b3b7c610da9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 108b81eca9b72c3321c2a2f239eadec0af912f109c097502a2c6c5ac039ba2cb
[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" "108b81eca9b72c3321c2a2f239eadec0af912f109c097502a2c6c5ac039ba2cb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 58 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rudano-41f902c99eb24ce2)
[INFO] [stdout] test de::tests::borrowed_str ... ok
[INFO] [stdout] test de::tests::float64 ... ok
[INFO] [stdout] test de::tests::int32 ... ok
[INFO] [stdout] test de::tests::int16 ... ok
[INFO] [stdout] test de::tests::int128 ... ok
[INFO] [stdout] test de::tests::int64 ... ok
[INFO] [stdout] test de::tests::int8 ... ok
[INFO] [stdout] test de::tests::map ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test de::tests::tuple_struct ... ok
[INFO] [stdout] test de::tests::u16_out_of_range ... ok
[INFO] [stdout] test de::tests::uint128 ... ok
[INFO] [stdout] test de::tests::uint16 ... ok
[INFO] [stdout] test de::tests::uint32 ... ok
[INFO] [stdout] test de::tests::uint64 ... ok
[INFO] [stdout] test de::tests::uint8 ... ok
[INFO] [stdout] test de::tests::uint8_invalid ... ok
[INFO] [stdout] test de::tests::unit ... ok
[INFO] [stdout] test de::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::boolean ... ok
[INFO] [stdout] test ser::tests::byte_array ... ok
[INFO] [stdout] test ser::tests::character ... ok
[INFO] [stdout] test ser::tests::enum_variants_in_struct ... ok
[INFO] [stdout] test ser::tests::float32 ... ok
[INFO] [stdout] test de::tests::tuple ... ok
[INFO] [stdout] test ser::tests::float64 ... ok
[INFO] [stdout] test de::tests::float32 ... ok
[INFO] [stdout] test de::tests::optional_struct_identifier_fail ... ok
[INFO] [stdout] test de::tests::option ... ok
[INFO] [stdout] test de::tests::enum_variants_in_struct ... ok
[INFO] [stdout] test de::tests::comment ... ok
[INFO] [stdout] test de::tests::character ... ok
[INFO] [stdout] test ser::tests::int32 ... ok
[INFO] [stdout] test ser::tests::int64 ... ok
[INFO] [stdout] test ser::tests::map ... ok
[INFO] [stdout] test de::tests::string ... ok
[INFO] [stdout] test de::tests::seq ... ok
[INFO] [stdout] test de::tests::refuse_str_as_identifier ... ok
[INFO] [stdout] test ser::tests::int8 ... ok
[INFO] [stdout] test de::tests::struct_with_unused_fields ... ok
[INFO] [stdout] test ser::tests::option ... ok
[INFO] [stdout] test de::tests::refuse_curly_for_maps ... ok
[INFO] [stdout] test ser::tests::seq ... ok
[INFO] [stdout] test de::tests::byte_array ... ok
[INFO] [stdout] test de::tests::boolean ... ok
[INFO] [stdout] test ser::tests::int16 ... ok
[INFO] [stdout] test ser::tests::int128 ... ok
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stdout] test ser::tests::string ... ok
[INFO] [stdout] test ser::tests::uint128 ... ok
[INFO] [stdout] test ser::tests::uint16 ... ok
[INFO] [stdout] test ser::tests::unit ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test ser::tests::uint64 ... ok
[INFO] [stdout] test ser::tests::uint8 ... ok
[INFO] [stdout] test ser::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::uint32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 58 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rudano
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/array_seq.rs - array_seq::serialize_array (line 7) ... ok
[INFO] [stdout] test src/ser.rs - ser::to_string_compact (line 19) ... ok
[INFO] [stdout] test src/ser.rs - ser::to_string_pretty (line 55) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "108b81eca9b72c3321c2a2f239eadec0af912f109c097502a2c6c5ac039ba2cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108b81eca9b72c3321c2a2f239eadec0af912f109c097502a2c6c5ac039ba2cb", kill_on_drop: false }`
[INFO] [stdout] 108b81eca9b72c3321c2a2f239eadec0af912f109c097502a2c6c5ac039ba2cb