[INFO] fetching crate cassandra-sigv4 0.1.3...
[INFO] checking cassandra-sigv4-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cassandra-sigv4 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cassandra-sigv4 0.1.3 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 cassandra-sigv4 0.1.3
[INFO] finished tweaking crates.io crate cassandra-sigv4 0.1.3
[INFO] tweaked toml for crates.io crate cassandra-sigv4 0.1.3 written to /workspace/builds/worker-5-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]     Updating crates.io index
[INFO] [stderr]      Locking 101 packages
[INFO] [stderr]       Adding aws-sigv4 v0.55.3 (latest: v1.2.0)
[INFO] [stderr]       Adding aws-smithy-http v0.55.3 (latest: v0.60.7)
[INFO] [stderr]       Adding aws-smithy-types v0.55.3 (latest: v1.1.8)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded url-escape v0.1.1
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.55.3
[INFO] [stderr]   Downloaded aws-sigv4 v0.55.3
[INFO] [stderr]   Downloaded aws-smithy-types v0.55.3
[INFO] [stderr]   Downloaded cassandra-cpp-sys v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7e8bce6a32a20e3c6ab582175def27cbd8e23691e1b1a9909be952a72217bf03
[INFO] running `Command { std: "docker" "start" "-a" "7e8bce6a32a20e3c6ab582175def27cbd8e23691e1b1a9909be952a72217bf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8bce6a32a20e3c6ab582175def27cbd8e23691e1b1a9909be952a72217bf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8bce6a32a20e3c6ab582175def27cbd8e23691e1b1a9909be952a72217bf03", kill_on_drop: false }`
[INFO] [stdout] 7e8bce6a32a20e3c6ab582175def27cbd8e23691e1b1a9909be952a72217bf03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8f460f61ea481e1bc5e68ca3d9fa26b0e4cb0a6ddc635adb5c1e5b61f2e1f06e
[INFO] running `Command { std: "docker" "start" "-a" "8f460f61ea481e1bc5e68ca3d9fa26b0e4cb0a6ddc635adb5c1e5b61f2e1f06e", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling cassandra-cpp-sys v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking url-escape v0.1.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking aws-smithy-types v0.55.3
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking aws-smithy-http v0.55.3
[INFO] [stderr]     Checking aws-sigv4 v0.55.3
[INFO] [stderr]     Checking cassandra-sigv4 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `sha256` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sha256;
[INFO] [stdout]   |     ^^^^^^ the item `sha256` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sha256` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sha256;
[INFO] [stdout]   |     ^^^^^^ the item `sha256` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "8f460f61ea481e1bc5e68ca3d9fa26b0e4cb0a6ddc635adb5c1e5b61f2e1f06e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f460f61ea481e1bc5e68ca3d9fa26b0e4cb0a6ddc635adb5c1e5b61f2e1f06e", kill_on_drop: false }`
[INFO] [stdout] 8f460f61ea481e1bc5e68ca3d9fa26b0e4cb0a6ddc635adb5c1e5b61f2e1f06e