[INFO] fetching crate vercel_lambda 0.2.0...
[INFO] checking vercel_lambda-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate vercel_lambda 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vercel_lambda 0.2.0
[INFO] finished tweaking crates.io crate vercel_lambda 0.2.0
[INFO] tweaked toml for crates.io crate vercel_lambda 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vercel_lambda 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 140 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.10.1 (available: v0.22.1)
[INFO] [stderr]       Adding http v0.1.21 (available: v1.3.1)
[INFO] [stderr]       Adding lambda_runtime v0.2.1 (available: v0.14.4)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.47.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4a11207928b70411f0c7df09bcdbb51d7193169daaa6ba13d2532b869c870dd
[INFO] running `Command { std: "docker" "start" "-a" "c4a11207928b70411f0c7df09bcdbb51d7193169daaa6ba13d2532b869c870dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a11207928b70411f0c7df09bcdbb51d7193169daaa6ba13d2532b869c870dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a11207928b70411f0c7df09bcdbb51d7193169daaa6ba13d2532b869c870dd", kill_on_drop: false }`
[INFO] [stdout] c4a11207928b70411f0c7df09bcdbb51d7193169daaa6ba13d2532b869c870dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3afb9449898459ce767254c374159f71a3c504705b2bd0fe44d6c09646964fd7
[INFO] running `Command { std: "docker" "start" "-a" "3afb9449898459ce767254c374159f71a3c504705b2bd0fe44d6c09646964fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling lambda_runtime_core v0.1.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling lambda_runtime_errors_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking lambda_runtime_errors v0.1.1
[INFO] [stderr]     Checking lambda_runtime_client v0.2.2
[INFO] [stderr]     Checking lambda_runtime v0.2.1
[INFO] [stderr]     Checking vercel_lambda v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `action` is never read
[INFO] [stdout]   --> src/request.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) struct VercelEvent<'a> {
[INFO] [stdout]    |                   ----------- field in this struct
[INFO] [stdout] 27 |     #[serde(rename = "Action")]
[INFO] [stdout] 28 |     action: Cow<'a, str>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VercelEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `action` is never read
[INFO] [stdout]   --> src/request.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) struct VercelEvent<'a> {
[INFO] [stdout]    |                   ----------- field in this struct
[INFO] [stdout] 27 |     #[serde(rename = "Action")]
[INFO] [stdout] 28 |     action: Cow<'a, str>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VercelEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `Command { std: "docker" "inspect" "3afb9449898459ce767254c374159f71a3c504705b2bd0fe44d6c09646964fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afb9449898459ce767254c374159f71a3c504705b2bd0fe44d6c09646964fd7", kill_on_drop: false }`
[INFO] [stdout] 3afb9449898459ce767254c374159f71a3c504705b2bd0fe44d6c09646964fd7