[INFO] fetching crate builder-pattern 0.3.10...
[INFO] checking builder-pattern-0.3.10 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate builder-pattern 0.3.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate builder-pattern 0.3.10 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate builder-pattern 0.3.10
[INFO] finished tweaking crates.io crate builder-pattern 0.3.10
[INFO] tweaked toml for crates.io crate builder-pattern 0.3.10 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate builder-pattern 0.3.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57232cad95f7480e5a3d52ea4456b5f075d91870a762543001a7d3c821f24b38
[INFO] running `Command { std: "docker" "start" "-a" "57232cad95f7480e5a3d52ea4456b5f075d91870a762543001a7d3c821f24b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57232cad95f7480e5a3d52ea4456b5f075d91870a762543001a7d3c821f24b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57232cad95f7480e5a3d52ea4456b5f075d91870a762543001a7d3c821f24b38", kill_on_drop: false }`
[INFO] [stdout] 57232cad95f7480e5a3d52ea4456b5f075d91870a762543001a7d3c821f24b38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13ea1084786a756d725d11bc964ed78c3b497ad9aea7ad2b6f5078d4264aeff
[INFO] running `Command { std: "docker" "start" "-a" "f13ea1084786a756d725d11bc964ed78c3b497ad9aea7ad2b6f5078d4264aeff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking builder-pattern v0.3.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> examples/default.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]  --> examples/default.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     age: u8,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> examples/default.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     id: Uuid,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> examples/documentation.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> examples/documentation.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub age: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `city`
[INFO] [stdout]   --> examples/documentation.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `positive`
[INFO] [stdout]  --> examples/validator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     positive: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]  --> examples/into.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     a: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]  --> examples/into.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     b: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]  --> examples/into.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     c: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> examples/visibility.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         c: MyEnum,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `Command { std: "docker" "inspect" "f13ea1084786a756d725d11bc964ed78c3b497ad9aea7ad2b6f5078d4264aeff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13ea1084786a756d725d11bc964ed78c3b497ad9aea7ad2b6f5078d4264aeff", kill_on_drop: false }`
[INFO] [stdout] f13ea1084786a756d725d11bc964ed78c3b497ad9aea7ad2b6f5078d4264aeff