[INFO] fetching crate amazon-sigv4-kit 0.1.0...
[INFO] checking amazon-sigv4-kit-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate amazon-sigv4-kit 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate amazon-sigv4-kit 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amazon-sigv4-kit 0.1.0
[INFO] finished tweaking crates.io crate amazon-sigv4-kit 0.1.0
[INFO] tweaked toml for crates.io crate amazon-sigv4-kit 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages
[INFO] [stderr]       Adding aws-sigv4 v0.2.1 (latest: v1.2.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws-sigv4 v0.2.1
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 242f19ecf5c16a26574369f7b4f1aea809be612e83a9a8f110aa1683267d9cdf
[INFO] running `Command { std: "docker" "start" "-a" "242f19ecf5c16a26574369f7b4f1aea809be612e83a9a8f110aa1683267d9cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242f19ecf5c16a26574369f7b4f1aea809be612e83a9a8f110aa1683267d9cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242f19ecf5c16a26574369f7b4f1aea809be612e83a9a8f110aa1683267d9cdf", kill_on_drop: false }`
[INFO] [stdout] 242f19ecf5c16a26574369f7b4f1aea809be612e83a9a8f110aa1683267d9cdf
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 140824e2490c455b5a1b5f15c936dc7983ab0f71699cf57666c3fba4f824d3df
[INFO] running `Command { std: "docker" "start" "-a" "140824e2490c455b5a1b5f15c936dc7983ab0f71699cf57666c3fba4f824d3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking aws-sigv4 v0.2.1
[INFO] [stderr]     Checking amazon-sigv4-kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "140824e2490c455b5a1b5f15c936dc7983ab0f71699cf57666c3fba4f824d3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140824e2490c455b5a1b5f15c936dc7983ab0f71699cf57666c3fba4f824d3df", kill_on_drop: false }`
[INFO] [stdout] 140824e2490c455b5a1b5f15c936dc7983ab0f71699cf57666c3fba4f824d3df