[INFO] fetching crate my_package_zeng 0.1.0...
[INFO] building my_package_zeng-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate my_package_zeng 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate my_package_zeng 0.1.0
[INFO] finished tweaking crates.io crate my_package_zeng 0.1.0
[INFO] tweaked toml for crates.io crate my_package_zeng 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_package_zeng 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate my_package_zeng 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388aae63c35dfe8e1554fe67b4a5441e39df0b51736f6ff37aa164f6873afebf
[INFO] running `Command { std: "docker" "start" "-a" "388aae63c35dfe8e1554fe67b4a5441e39df0b51736f6ff37aa164f6873afebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388aae63c35dfe8e1554fe67b4a5441e39df0b51736f6ff37aa164f6873afebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388aae63c35dfe8e1554fe67b4a5441e39df0b51736f6ff37aa164f6873afebf", kill_on_drop: false }`
[INFO] [stdout] 388aae63c35dfe8e1554fe67b4a5441e39df0b51736f6ff37aa164f6873afebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a53bffc2359677cd86daa9e9ff1e3ca9cc42c2340a84f358a21e2ed675cea8ee
[INFO] running `Command { std: "docker" "start" "-a" "a53bffc2359677cd86daa9e9ff1e3ca9cc42c2340a84f358a21e2ed675cea8ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling my_package_zeng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]  --> src/customer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Customer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 2 |     id: u64,
[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/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Order {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     product: Product,
[INFO] [stdout] 6 |     customer: Customer,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let order = Order::new(1, product, customer, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "a53bffc2359677cd86daa9e9ff1e3ca9cc42c2340a84f358a21e2ed675cea8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53bffc2359677cd86daa9e9ff1e3ca9cc42c2340a84f358a21e2ed675cea8ee", kill_on_drop: false }`
[INFO] [stdout] a53bffc2359677cd86daa9e9ff1e3ca9cc42c2340a84f358a21e2ed675cea8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db87fbdd9fddb79725da89bdf830948b5bbcd1a5667d8157fca0217611dacb2
[INFO] running `Command { std: "docker" "start" "-a" "1db87fbdd9fddb79725da89bdf830948b5bbcd1a5667d8157fca0217611dacb2", kill_on_drop: false }`
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]  --> src/customer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Customer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 2 |     id: u64,
[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/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Order {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     product: Product,
[INFO] [stdout] 6 |     customer: Customer,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling my_package_zeng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]  --> src/customer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Customer {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 2 |     id: u64,
[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/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Order {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 4 |     id: u64,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     product: Product,
[INFO] [stdout] 6 |     customer: Customer,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let order = Order::new(1, product, customer, 1);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "1db87fbdd9fddb79725da89bdf830948b5bbcd1a5667d8157fca0217611dacb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db87fbdd9fddb79725da89bdf830948b5bbcd1a5667d8157fca0217611dacb2", kill_on_drop: false }`
[INFO] [stdout] 1db87fbdd9fddb79725da89bdf830948b5bbcd1a5667d8157fca0217611dacb2