[INFO] fetching crate serde_dynamodb_streams 0.7.1...
[INFO] checking serde_dynamodb_streams-0.7.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate serde_dynamodb_streams 0.7.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate serde_dynamodb_streams 0.7.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_dynamodb_streams 0.7.1
[INFO] finished tweaking crates.io crate serde_dynamodb_streams 0.7.1
[INFO] tweaked toml for crates.io crate serde_dynamodb_streams 0.7.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 176 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
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[INFO] [stderr]       Adding rusoto_dynamodbstreams v0.46.0 (latest: v0.48.0)
[INFO] [stderr]       Adding rusoto_signature v0.46.0 (latest: v0.48.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_dynamodbstreams v0.46.0
[INFO] [stderr]   Downloaded rusoto_signature v0.46.0
[INFO] [stderr]   Downloaded rusoto_core v0.46.0
[INFO] [stderr]   Downloaded rusoto_credential v0.46.0
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a0a35e3cf44f09d14c8a043dcbd7575acfff751518aadf72dde0a600f04de2d
[INFO] running `Command { std: "docker" "start" "-a" "2a0a35e3cf44f09d14c8a043dcbd7575acfff751518aadf72dde0a600f04de2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0a35e3cf44f09d14c8a043dcbd7575acfff751518aadf72dde0a600f04de2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0a35e3cf44f09d14c8a043dcbd7575acfff751518aadf72dde0a600f04de2d", kill_on_drop: false }`
[INFO] [stdout] 2a0a35e3cf44f09d14c8a043dcbd7575acfff751518aadf72dde0a600f04de2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4ea93ec18517cca1b1de095090fa6b46fc627a2a54905414d140f2daf132279
[INFO] running `Command { std: "docker" "start" "-a" "a4ea93ec18517cca1b1de095090fa6b46fc627a2a54905414d140f2daf132279", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rusoto_core v0.46.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking rusoto_credential v0.46.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_signature v0.46.0
[INFO] [stderr]     Checking rusoto_dynamodbstreams v0.46.0
[INFO] [stderr]     Checking rusoto_dynamodb v0.46.0
[INFO] [stderr]     Checking serde_dynamodb_streams v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/dynamodbstreams.rs:363:6
[INFO] [stdout]     |
[INFO] [stdout] 363 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `k` is never read
[INFO] [stdout]   --> tests/dynamodbstreams.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     struct Internal {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 38 |         k: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Internal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `i`, `j`, and `intern` are never read
[INFO] [stdout]   --> tests/dynamodbstreams.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     struct Basic {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 42 |         i: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 43 |         j: i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 44 |         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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "a4ea93ec18517cca1b1de095090fa6b46fc627a2a54905414d140f2daf132279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ea93ec18517cca1b1de095090fa6b46fc627a2a54905414d140f2daf132279", kill_on_drop: false }`
[INFO] [stdout] a4ea93ec18517cca1b1de095090fa6b46fc627a2a54905414d140f2daf132279