[INFO] cloning repository https://github.com/i10416/aws-external-account-subjec-token-draft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i10416/aws-external-account-subjec-token-draft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi10416%2Faws-external-account-subjec-token-draft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi10416%2Faws-external-account-subjec-token-draft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e60d857fe0da625261a885c9fb5978fa2cc5222
[INFO] checking i10416/aws-external-account-subjec-token-draft against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi10416%2Faws-external-account-subjec-token-draft" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i10416/aws-external-account-subjec-token-draft on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/i10416/aws-external-account-subjec-token-draft
[INFO] finished tweaking git repo https://github.com/i10416/aws-external-account-subjec-token-draft
[INFO] tweaked toml for git repo https://github.com/i10416/aws-external-account-subjec-token-draft written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/i10416/aws-external-account-subjec-token-draft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded aws-smithy-async v1.2.1
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[INFO] running `Command { std: "docker" "start" "-a" "e2fef286bfeefb87a742ff23e1a30bb9a157109118e682fcd9ab85dbc0fb456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2fef286bfeefb87a742ff23e1a30bb9a157109118e682fcd9ab85dbc0fb456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fef286bfeefb87a742ff23e1a30bb9a157109118e682fcd9ab85dbc0fb456f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3df5cba09ab1f12e1dd18513c0ba5eea0c22393d02dfee1dc00f66da351265
[INFO] running `Command { std: "docker" "start" "-a" "4d3df5cba09ab1f12e1dd18513c0ba5eea0c22393d02dfee1dc00f66da351265", kill_on_drop: false }`
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[INFO] [stdout] warning: function `aws_subject_token` is never used
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn aws_subject_token(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AWSRequest` is never constructed
[INFO] [stdout]   --> src/lib.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct AWSRequest {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AWSRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AWSRequestHeader` is never constructed
[INFO] [stdout]   --> src/lib.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct AWSRequestHeader {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AWSRequestHeader` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl AWSRequestHeader {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 90 |     pub fn new(key: impl Into<String>, value: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_aws_props` is never used
[INFO] [stdout]   --> src/lib.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 | async fn get_aws_props() -> Result<(Credentials, Region), Box<dyn std::error::Error>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.45s
[INFO] running `Command { std: "docker" "inspect" "4d3df5cba09ab1f12e1dd18513c0ba5eea0c22393d02dfee1dc00f66da351265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3df5cba09ab1f12e1dd18513c0ba5eea0c22393d02dfee1dc00f66da351265", kill_on_drop: false }`
[INFO] [stdout] 4d3df5cba09ab1f12e1dd18513c0ba5eea0c22393d02dfee1dc00f66da351265