[INFO] fetching crate assemblylift-iomod-dynamodb-guest 0.1.4...
[INFO] testing assemblylift-iomod-dynamodb-guest-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate assemblylift-iomod-dynamodb-guest 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate assemblylift-iomod-dynamodb-guest 0.1.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assemblylift-iomod-dynamodb-guest 0.1.4
[INFO] finished tweaking crates.io crate assemblylift-iomod-dynamodb-guest 0.1.4
[INFO] tweaked toml for crates.io crate assemblylift-iomod-dynamodb-guest 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assemblylift-core-io-guest v0.2.1
[INFO] [stderr]   Downloaded assemblylift-core-io-common v0.2.0
[INFO] [stderr]   Downloaded assemblylift-core-iomod-guest v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 580c6eb508c448544e70b043da600b96aa2a09a60789e365442cf233ffa04932
[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" "580c6eb508c448544e70b043da600b96aa2a09a60789e365442cf233ffa04932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580c6eb508c448544e70b043da600b96aa2a09a60789e365442cf233ffa04932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580c6eb508c448544e70b043da600b96aa2a09a60789e365442cf233ffa04932", kill_on_drop: false }`
[INFO] [stdout] 580c6eb508c448544e70b043da600b96aa2a09a60789e365442cf233ffa04932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8015bc1c7be442d282dcc74251d25d0e3c9c0d748614c9e7fdca5cc3fb12a9a4
[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" "8015bc1c7be442d282dcc74251d25d0e3c9c0d748614c9e7fdca5cc3fb12a9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling assemblylift-core-iomod-guest v0.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling assemblylift-core-io-common v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling assemblylift-core-io-guest v0.2.1
[INFO] [stderr]    Compiling assemblylift-iomod-dynamodb-guest v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/structs.rs:3396:23
[INFO] [stdout]      |
[INFO] [stdout] 3396 |         match *self { _ => Ok(()) }
[INFO] [stdout]      |                       ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.67s
[INFO] running `Command { std: "docker" "inspect" "8015bc1c7be442d282dcc74251d25d0e3c9c0d748614c9e7fdca5cc3fb12a9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8015bc1c7be442d282dcc74251d25d0e3c9c0d748614c9e7fdca5cc3fb12a9a4", kill_on_drop: false }`
[INFO] [stdout] 8015bc1c7be442d282dcc74251d25d0e3c9c0d748614c9e7fdca5cc3fb12a9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9121381f9bf235c46144badd4e186d7c538c3757435e7c26805e8f0acdef2b7d
[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" "9121381f9bf235c46144badd4e186d7c538c3757435e7c26805e8f0acdef2b7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling assemblylift-iomod-dynamodb-guest v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/structs.rs:3396:23
[INFO] [stdout]      |
[INFO] [stdout] 3396 |         match *self { _ => Ok(()) }
[INFO] [stdout]      |                       ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/structs.rs:3396:23
[INFO] [stdout]      |
[INFO] [stdout] 3396 |         match *self { _ => Ok(()) }
[INFO] [stdout]      |                       ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `Command { std: "docker" "inspect" "9121381f9bf235c46144badd4e186d7c538c3757435e7c26805e8f0acdef2b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9121381f9bf235c46144badd4e186d7c538c3757435e7c26805e8f0acdef2b7d", kill_on_drop: false }`
[INFO] [stdout] 9121381f9bf235c46144badd4e186d7c538c3757435e7c26805e8f0acdef2b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e15c84e5daa5f46f219654220b81fbc5dd478c4cd428a1110841dc6b683a9d66
[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" "e15c84e5daa5f46f219654220b81fbc5dd478c4cd428a1110841dc6b683a9d66", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/structs.rs:3396:23
[INFO] [stderr]      |
[INFO] [stderr] 3396 |         match *self { _ => Ok(()) }
[INFO] [stderr]      |                       ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/structs.rs:3396:23
[INFO] [stderr]      |
[INFO] [stderr] 3396 |         match *self { _ => Ok(()) }
[INFO] [stderr]      |                       ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assemblylift_iomod_dynamodb_guest-de39a9a65d952b37
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test serialization::tests::deserialize_blob_list_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_when_empty ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_list_when_empty ... ok
[INFO] [stdout] test serialization::tests::deserialize_optional_blob_when_null ... ok
[INFO] [stdout] test serialization::tests::deserialize_optional_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_when_null ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_when_empty ... ok
[INFO] [stdout] test serialization::tests::serialize_optional_blob_when_empty ... ok
[INFO] [stdout] test serialization::tests::serialize_optional_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_list_when_empty ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_list_when_has_content ... ok
[INFO] [stdout] test serialization::tests::serialize_optional_blob_when_none ... ok
[INFO] [stdout] test serialization::tests::deserialize_optional_blob_when_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests assemblylift-iomod-dynamodb-guest
[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" "e15c84e5daa5f46f219654220b81fbc5dd478c4cd428a1110841dc6b683a9d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15c84e5daa5f46f219654220b81fbc5dd478c4cd428a1110841dc6b683a9d66", kill_on_drop: false }`
[INFO] [stdout] e15c84e5daa5f46f219654220b81fbc5dd478c4cd428a1110841dc6b683a9d66