[INFO] fetching crate cloud-storage-signature 0.6.9...
[INFO] checking cloud-storage-signature-0.6.9 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate cloud-storage-signature 0.6.9 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cloud-storage-signature 0.6.9 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cloud-storage-signature 0.6.9
[INFO] finished tweaking crates.io crate cloud-storage-signature 0.6.9
[INFO] tweaked toml for crates.io crate cloud-storage-signature 0.6.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 170 packages to latest compatible versions
[INFO] [stderr]       Adding deadpool v0.10.0 (available: v0.12.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] [stderr]       Adding windows-registry v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding windows-strings v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1ccc1bfa09740758fb246c6628038a3348cb103854fddf9b2dc5fc3898ca428
[INFO] running `Command { std: "docker" "start" "-a" "d1ccc1bfa09740758fb246c6628038a3348cb103854fddf9b2dc5fc3898ca428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ccc1bfa09740758fb246c6628038a3348cb103854fddf9b2dc5fc3898ca428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ccc1bfa09740758fb246c6628038a3348cb103854fddf9b2dc5fc3898ca428", kill_on_drop: false }`
[INFO] [stdout] d1ccc1bfa09740758fb246c6628038a3348cb103854fddf9b2dc5fc3898ca428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d6f55c1b7110523ab76220fda10fc4ebabece27d3be1902c5097e92ed888bd7
[INFO] running `Command { std: "docker" "start" "-a" "8d6f55c1b7110523ab76220fda10fc4ebabece27d3be1902c5097e92ed888bd7", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling rustls v0.23.13
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling async-trait v0.1.83
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[INFO] [stderr]     Checking deadpool-runtime v0.1.4
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[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]    Compiling serial_test_derive v3.1.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking scc v2.1.17
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking temp-env v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.30
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[INFO] [stderr]     Checking serde_json v1.0.128
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[INFO] [stderr]     Checking hyper v1.4.1
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[INFO] [stderr]     Checking hyper-rustls v0.27.3
[INFO] [stderr]     Checking wiremock v0.6.2
[INFO] [stderr]     Checking reqwest v0.12.7
[INFO] [stderr]     Checking cloud-storage-signature v0.6.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Aws4Request` is never constructed
[INFO] [stdout]  --> src/private/request_type.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum RequestType {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 4 |     Goog4Request,
[INFO] [stdout] 5 |     Aws4Request,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RequestType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `S3` is never constructed
[INFO] [stdout]  --> src/private/service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Service {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 4 |     Storage,
[INFO] [stdout] 5 |     S3,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Service` 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: variant `Aws4HmacSha256` is never constructed
[INFO] [stdout]  --> src/private/signing_algorithm.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum SigningAlgorithm {
[INFO] [stdout]   |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 6 |     Aws4HmacSha256,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SigningAlgorithm` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.51s
[INFO] running `Command { std: "docker" "inspect" "8d6f55c1b7110523ab76220fda10fc4ebabece27d3be1902c5097e92ed888bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6f55c1b7110523ab76220fda10fc4ebabece27d3be1902c5097e92ed888bd7", kill_on_drop: false }`
[INFO] [stdout] 8d6f55c1b7110523ab76220fda10fc4ebabece27d3be1902c5097e92ed888bd7