[INFO] fetching crate serde_dynamodb 0.9.0...
[INFO] checking serde_dynamodb-0.9.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate serde_dynamodb 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_dynamodb 0.9.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 95ef11e3220b51b0778eac30ff7746c76d1433ad82ebdc77bb758bbc328710e2
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[INFO] running `Command { std: "docker" "rm" "-f" "95ef11e3220b51b0778eac30ff7746c76d1433ad82ebdc77bb758bbc328710e2", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cdc9f978fae70533ea1ce728b1f36eb957261e7df57b04ef28f8ac54838bb12
[INFO] running `Command { std: "docker" "start" "-a" "8cdc9f978fae70533ea1ce728b1f36eb957261e7df57b04ef28f8ac54838bb12", kill_on_drop: false }`
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[INFO] [stdout] warning: field `k` is never read
[INFO] [stdout]   --> tests/dynamodb.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     struct Internal {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 36 |         k: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Internal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `i`, `j` and `intern` are never read
[INFO] [stdout]   --> tests/dynamodb.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     struct Basic {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 40 |         i: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 41 |         j: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 42 |         intern: Internal,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Basic` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "8cdc9f978fae70533ea1ce728b1f36eb957261e7df57b04ef28f8ac54838bb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdc9f978fae70533ea1ce728b1f36eb957261e7df57b04ef28f8ac54838bb12", kill_on_drop: false }`
[INFO] [stdout] 8cdc9f978fae70533ea1ce728b1f36eb957261e7df57b04ef28f8ac54838bb12