[INFO] fetching crate structure_test 0.1.1...
[INFO] checking structure_test-0.1.1 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate structure_test 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate structure_test 0.1.1
[INFO] finished tweaking crates.io crate structure_test 0.1.1
[INFO] tweaked toml for crates.io crate structure_test 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate structure_test 0.1.1 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate structure_test 0.1.1 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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v1.0.3
[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c04e9341f185ca82c80a0f80f1a050a1f6832a33ca8feca7bb470100f248b504
[INFO] running `Command { std: "docker" "start" "-a" "c04e9341f185ca82c80a0f80f1a050a1f6832a33ca8feca7bb470100f248b504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04e9341f185ca82c80a0f80f1a050a1f6832a33ca8feca7bb470100f248b504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04e9341f185ca82c80a0f80f1a050a1f6832a33ca8feca7bb470100f248b504", kill_on_drop: false }`
[INFO] [stdout] c04e9341f185ca82c80a0f80f1a050a1f6832a33ca8feca7bb470100f248b504
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e167b1a90d5a77ff19bf7c0ba47e3faa4063de297f895e4e4e9ed3d242250f14
[INFO] running `Command { std: "docker" "start" "-a" "e167b1a90d5a77ff19bf7c0ba47e3faa4063de297f895e4e4e9ed3d242250f14", kill_on_drop: false }`
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking structure_test v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]  --> src/customer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Customer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 2 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `customer` are never read
[INFO] [stdout]  --> src/order.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Order {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     product: Product,
[INFO] [stdout] 6 |     customer: Customer,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]  --> src/customer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Customer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 2 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stdout] warning: fields `id` and `customer` are never read
[INFO] [stdout]  --> src/order.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Order {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     id: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     product: Product,
[INFO] [stdout] 6 |     customer: Customer,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e167b1a90d5a77ff19bf7c0ba47e3faa4063de297f895e4e4e9ed3d242250f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e167b1a90d5a77ff19bf7c0ba47e3faa4063de297f895e4e4e9ed3d242250f14", kill_on_drop: false }`
[INFO] [stdout] e167b1a90d5a77ff19bf7c0ba47e3faa4063de297f895e4e4e9ed3d242250f14