[INFO] fetching crate builder-pattern 0.4.2...
[INFO] checking builder-pattern-0.4.2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate builder-pattern 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate builder-pattern 0.4.2 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-3-tc1/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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.4.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.2
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded async-stream v0.3.2
[INFO] [stderr]   Downloaded futures-macro v0.3.17
[INFO] [stderr]   Downloaded builder-pattern-macro v0.4.2
[INFO] [stderr]   Downloaded futures-executor v0.3.17
[INFO] [stderr]   Downloaded futures-io v0.3.17
[INFO] [stderr]   Downloaded slab v0.4.4
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded syn v1.0.78
[INFO] [stderr]   Downloaded tokio v1.12.0
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38bbfd186382550125c7bb1ff2b675b19a13780a369c421a00272e902c2aeab6
[INFO] running `Command { std: "docker" "start" "-a" "38bbfd186382550125c7bb1ff2b675b19a13780a369c421a00272e902c2aeab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38bbfd186382550125c7bb1ff2b675b19a13780a369c421a00272e902c2aeab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bbfd186382550125c7bb1ff2b675b19a13780a369c421a00272e902c2aeab6", kill_on_drop: false }`
[INFO] [stdout] 38bbfd186382550125c7bb1ff2b675b19a13780a369c421a00272e902c2aeab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5460ea62a18be9ba44016195704e386ed10bba9122266dfafa61527427559e
[INFO] running `Command { std: "docker" "start" "-a" "fa5460ea62a18be9ba44016195704e386ed10bba9122266dfafa61527427559e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[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 slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[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] 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" "fa5460ea62a18be9ba44016195704e386ed10bba9122266dfafa61527427559e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5460ea62a18be9ba44016195704e386ed10bba9122266dfafa61527427559e", kill_on_drop: false }`
[INFO] [stdout] fa5460ea62a18be9ba44016195704e386ed10bba9122266dfafa61527427559e