[INFO] fetching crate assemblylift-iomod-dynamodb-guest 0.1.4...
[INFO] testing assemblylift-iomod-dynamodb-guest-0.1.4 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate assemblylift-iomod-dynamodb-guest 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate assemblylift-iomod-dynamodb-guest 0.1.4 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assemblylift-core-io-common v0.2.0
[INFO] [stderr]   Downloaded assemblylift-core-io-guest v0.2.1
[INFO] [stderr]   Downloaded assemblylift-core-iomod-guest v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8428a6d170a026946c245b9c57d01c839ee5b8e840444d970c23377707c14682
[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" "8428a6d170a026946c245b9c57d01c839ee5b8e840444d970c23377707c14682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8428a6d170a026946c245b9c57d01c839ee5b8e840444d970c23377707c14682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8428a6d170a026946c245b9c57d01c839ee5b8e840444d970c23377707c14682", kill_on_drop: false }`
[INFO] [stdout] 8428a6d170a026946c245b9c57d01c839ee5b8e840444d970c23377707c14682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] effef67368f6fb95a6803c2f7fc61c5bc4da7766b5153497e7e50164775941ad
[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" "effef67368f6fb95a6803c2f7fc61c5bc4da7766b5153497e7e50164775941ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling assemblylift-core-iomod-guest v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[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 v1.0.59
[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 1m 10s
[INFO] running `Command { std: "docker" "inspect" "effef67368f6fb95a6803c2f7fc61c5bc4da7766b5153497e7e50164775941ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effef67368f6fb95a6803c2f7fc61c5bc4da7766b5153497e7e50164775941ad", kill_on_drop: false }`
[INFO] [stdout] effef67368f6fb95a6803c2f7fc61c5bc4da7766b5153497e7e50164775941ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80cdfe17254031937661471aef2a5c7eccd37bb528af5321464a074e8956c27
[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" "f80cdfe17254031937661471aef2a5c7eccd37bb528af5321464a074e8956c27", kill_on_drop: false }`
[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]    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 test [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "f80cdfe17254031937661471aef2a5c7eccd37bb528af5321464a074e8956c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80cdfe17254031937661471aef2a5c7eccd37bb528af5321464a074e8956c27", kill_on_drop: false }`
[INFO] [stdout] f80cdfe17254031937661471aef2a5c7eccd37bb528af5321464a074e8956c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37845444d643f812817028bed00c0681026f4639b3e9008eee5b94337bb88340
[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" "37845444d643f812817028bed00c0681026f4639b3e9008eee5b94337bb88340", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assemblylift_iomod_dynamodb_guest-c14016ac1a16c771
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test serialization::tests::serialize_optional_blob_when_none ... ok
[INFO] [stdout] test serialization::tests::serialize_optional_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::serialize_optional_blob_when_empty ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_optional_blob_when_null ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_list_when_empty ... ok
[INFO] [stdout] test serialization::tests::serialize_blob_list_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_list_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::deserialize_optional_blob_when_has_content ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_list_when_empty ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_when_empty ... ok
[INFO] [stdout] test serialization::tests::deserialize_blob_when_has_content ... 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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37845444d643f812817028bed00c0681026f4639b3e9008eee5b94337bb88340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37845444d643f812817028bed00c0681026f4639b3e9008eee5b94337bb88340", kill_on_drop: false }`
[INFO] [stdout] 37845444d643f812817028bed00c0681026f4639b3e9008eee5b94337bb88340