[INFO] fetching crate builder-pattern 0.4.2...
[INFO] checking builder-pattern-0.4.2 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate builder-pattern 0.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate builder-pattern 0.4.2 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate builder-pattern 0.4.2
[INFO] finished tweaking crates.io crate builder-pattern 0.4.2
[INFO] tweaked toml for crates.io crate builder-pattern 0.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate builder-pattern 0.4.2 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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1753f9762170153459260e635e1559b59e68ee7bba12bc26de4b22bc553f8ca
[INFO] running `Command { std: "docker" "start" "-a" "f1753f9762170153459260e635e1559b59e68ee7bba12bc26de4b22bc553f8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1753f9762170153459260e635e1559b59e68ee7bba12bc26de4b22bc553f8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1753f9762170153459260e635e1559b59e68ee7bba12bc26de4b22bc553f8ca", kill_on_drop: false }`
[INFO] [stdout] f1753f9762170153459260e635e1559b59e68ee7bba12bc26de4b22bc553f8ca
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 429f2ae9738f257f61b03406dcbcab79937c1d73b91971b0167ecf44351d2363
[INFO] running `Command { std: "docker" "start" "-a" "429f2ae9738f257f61b03406dcbcab79937c1d73b91971b0167ecf44351d2363", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling builder-pattern-macro v0.4.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking builder-pattern v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PrivateTest`
[INFO] [stdout]   --> examples/fail-visibility1.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let t1 = PrivateTest::new().a(333).c(1.234).b("hello").build();
[INFO] [stdout]    |              ^^^^^^^^^^^ use of undeclared type `PrivateTest`
[INFO] [stdout]    |
[INFO] [stdout] note: struct `crate::test::PrivateTest` exists but is inaccessible
[INFO] [stdout]   --> examples/fail-visibility1.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     struct PrivateTest {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ not accessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]   --> examples/visibility1.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |     pub struct PublicTest {
[INFO] [stdout]    |                ---------- fields in this struct
[INFO] [stdout] 7  |         pub a: i32,
[INFO] [stdout]    |             ^
[INFO] [stdout] 8  |         pub b: Option<i32>,
[INFO] [stdout]    |             ^
[INFO] [stdout] 9  |         #[default(1.234)]
[INFO] [stdout] 10 |         c: f64,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PublicTest` 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: fields `name`, `age`, and `city` are never read
[INFO] [stdout]   --> examples/documentation.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub age: u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub city: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` 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] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `builder-pattern` (example "fail-visibility1") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0624]: method `c` is private
[INFO] [stdout]   --> examples/fail-visibility2.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 5  |     #[derive(Builder, Debug)]
[INFO] [stdout]    |              ------- private method defined here
[INFO] [stdout] ...
[INFO] [stdout] 19 |         .c(1.234) // Cannot access `c` because it is private.
[INFO] [stdout]    |          ^ private method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `builder-pattern` (example "fail-visibility2") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "429f2ae9738f257f61b03406dcbcab79937c1d73b91971b0167ecf44351d2363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429f2ae9738f257f61b03406dcbcab79937c1d73b91971b0167ecf44351d2363", kill_on_drop: false }`
[INFO] [stdout] 429f2ae9738f257f61b03406dcbcab79937c1d73b91971b0167ecf44351d2363
