[INFO] fetching crate aws-credential-types 1.2.0...
[INFO] checking aws-credential-types-1.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate aws-credential-types 1.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate aws-credential-types 1.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aws-credential-types 1.2.0
[INFO] finished tweaking crates.io crate aws-credential-types 1.2.0
[INFO] tweaked toml for crates.io crate aws-credential-types 1.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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 77 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws-smithy-types v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a2ed10ab960423c1a408016317587ad2729c6e043cede0c0ef2912d96e2961
[INFO] running `Command { std: "docker" "start" "-a" "c7a2ed10ab960423c1a408016317587ad2729c6e043cede0c0ef2912d96e2961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a2ed10ab960423c1a408016317587ad2729c6e043cede0c0ef2912d96e2961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a2ed10ab960423c1a408016317587ad2729c6e043cede0c0ef2912d96e2961", kill_on_drop: false }`
[INFO] [stdout] c7a2ed10ab960423c1a408016317587ad2729c6e043cede0c0ef2912d96e2961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 291d8a238aae2d4a3df3ab8fe3caaa50f6215ecff04ee89724044c0aa67b39d2
[INFO] running `Command { std: "docker" "start" "-a" "291d8a238aae2d4a3df3ab8fe3caaa50f6215ecff04ee89724044c0aa67b39d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking outref v0.5.1
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking aws-smithy-types v1.2.4
[INFO] [stderr]     Checking aws-smithy-async v1.2.1
[INFO] [stderr]     Checking aws-smithy-runtime-api v1.7.2
[INFO] [stderr]     Checking aws-credential-types v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `creds` is never used
[INFO] [stdout]   --> src/credential_fn.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     trait AnotherTrait: Send + Sync {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] 92 |         async fn creds(&self) -> Credentials;
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnotherTraitWrapper` is never constructed
[INFO] [stdout]   --> src/credential_fn.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     struct AnotherTraitWrapper<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token` is never used
[INFO] [stdout]   --> src/token_fn.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |     trait AnotherTrait: Send + Sync {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] 88 |         async fn token(&self) -> Token;
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnotherTraitWrapper` is never constructed
[INFO] [stdout]   --> src/token_fn.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct AnotherTraitWrapper<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "291d8a238aae2d4a3df3ab8fe3caaa50f6215ecff04ee89724044c0aa67b39d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291d8a238aae2d4a3df3ab8fe3caaa50f6215ecff04ee89724044c0aa67b39d2", kill_on_drop: false }`
[INFO] [stdout] 291d8a238aae2d4a3df3ab8fe3caaa50f6215ecff04ee89724044c0aa67b39d2