[INFO] fetching crate structure_test 0.1.1...
[INFO] building structure_test-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate structure_test 0.1.1 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate structure_test 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e15d79eed46c8fb2538ce83761dff2721fe76841b80fa015471e52989e137d6
[INFO] running `Command { std: "docker" "start" "-a" "7e15d79eed46c8fb2538ce83761dff2721fe76841b80fa015471e52989e137d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e15d79eed46c8fb2538ce83761dff2721fe76841b80fa015471e52989e137d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e15d79eed46c8fb2538ce83761dff2721fe76841b80fa015471e52989e137d6", kill_on_drop: false }`
[INFO] [stdout] 7e15d79eed46c8fb2538ce83761dff2721fe76841b80fa015471e52989e137d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e033e370b6b3fb697c930f6c241900d10db38142902384308b9c7e81e0bb27
[INFO] running `Command { std: "docker" "start" "-a" "65e033e370b6b3fb697c930f6c241900d10db38142902384308b9c7e81e0bb27", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling structure_test v0.1.1 (/opt/rustwide/workdir)
[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]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "65e033e370b6b3fb697c930f6c241900d10db38142902384308b9c7e81e0bb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e033e370b6b3fb697c930f6c241900d10db38142902384308b9c7e81e0bb27", kill_on_drop: false }`
[INFO] [stdout] 65e033e370b6b3fb697c930f6c241900d10db38142902384308b9c7e81e0bb27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf516ce459a1690768d2116a3f0a21c6d134f382d1f14aed8e6b07c50e89f32
[INFO] running `Command { std: "docker" "start" "-a" "fcf516ce459a1690768d2116a3f0a21c6d134f382d1f14aed8e6b07c50e89f32", kill_on_drop: false }`
[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]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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] 
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "fcf516ce459a1690768d2116a3f0a21c6d134f382d1f14aed8e6b07c50e89f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf516ce459a1690768d2116a3f0a21c6d134f382d1f14aed8e6b07c50e89f32", kill_on_drop: false }`
[INFO] [stdout] fcf516ce459a1690768d2116a3f0a21c6d134f382d1f14aed8e6b07c50e89f32