[INFO] fetching crate serde_dynamodb 0.9.0...
[INFO] checking serde_dynamodb-0.9.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate serde_dynamodb 0.9.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate serde_dynamodb 0.9.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_dynamodb 0.9.0
[INFO] finished tweaking crates.io crate serde_dynamodb 0.9.0
[INFO] tweaked toml for crates.io crate serde_dynamodb 0.9.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 081f7c9299e328ff3129a5d7321befe1e6670087772043a76c163d09f76526b2
[INFO] running `Command { std: "docker" "start" "-a" "081f7c9299e328ff3129a5d7321befe1e6670087772043a76c163d09f76526b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081f7c9299e328ff3129a5d7321befe1e6670087772043a76c163d09f76526b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081f7c9299e328ff3129a5d7321befe1e6670087772043a76c163d09f76526b2", kill_on_drop: false }`
[INFO] [stdout] 081f7c9299e328ff3129a5d7321befe1e6670087772043a76c163d09f76526b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a72f9b54f8ccc9107130f9c092512ba6110f8a3c93a85038a2a2142cbd97dc23
[INFO] running `Command { std: "docker" "start" "-a" "a72f9b54f8ccc9107130f9c092512ba6110f8a3c93a85038a2a2142cbd97dc23", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.1
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
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[INFO] [stderr]     Checking rusoto_dynamodb v0.47.0
[INFO] [stderr]     Checking serde_dynamodb v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `k`
[INFO] [stdout]   --> tests/dynamodb.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         k: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> tests/dynamodb.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         i: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `j`
[INFO] [stdout]   --> tests/dynamodb.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         j: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `intern`
[INFO] [stdout]   --> tests/dynamodb.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         intern: Internal,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.23s
[INFO] running `Command { std: "docker" "inspect" "a72f9b54f8ccc9107130f9c092512ba6110f8a3c93a85038a2a2142cbd97dc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72f9b54f8ccc9107130f9c092512ba6110f8a3c93a85038a2a2142cbd97dc23", kill_on_drop: false }`
[INFO] [stdout] a72f9b54f8ccc9107130f9c092512ba6110f8a3c93a85038a2a2142cbd97dc23