[INFO] crate zipper 0.0.2 is already in cache
[INFO] checking zipper-0.0.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate zipper 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zipper 0.0.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zipper 0.0.2
[INFO] finished tweaking crates.io crate zipper 0.0.2
[INFO] tweaked toml for crates.io crate zipper 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ee0bcc3626738ae0343c3c4b6401bd7c5d1de3f6ac2af1c28b387294b4e534dc
[INFO] running `"docker" "start" "-a" "ee0bcc3626738ae0343c3c4b6401bd7c5d1de3f6ac2af1c28b387294b4e534dc"`
[INFO] [stderr]     Checking zipper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `env_logger`
[INFO] [stderr]  --> examples/util.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use env_logger;
[INFO] [stderr]   |     ^^^^^^^^^^ no `env_logger` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `util`
[INFO] [stderr]   --> examples/util.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / use env_logger;
[INFO] [stderr] 2  | | use std::fs::create_dir_all;
[INFO] [stderr] 3  | | use std::path::{Path, PathBuf};
[INFO] [stderr] 4  | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     Path::new("./examples/output/").join(s)
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `examples/util.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0601.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `zipper`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing crate `zip`?
[INFO] [stderr]  --> examples/simple.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use zip::zipper::{Zipper, ZipperOptions};
[INFO] [stderr]   |     ^^^ maybe a missing crate `zip`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Zipper`
[INFO] [stderr]   --> examples/simple.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut z = Zipper::new(opts);
[INFO] [stderr]    |                 ^^^^^^ use of undeclared type or module `Zipper`
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `ZipperOptions` in this scope
[INFO] [stderr]   --> examples/simple.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let opts = ZipperOptions {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 6  | use zipper::zipper::ZipperOptions;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0422, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0422`.
[INFO] [stderr] error: could not compile `zipper`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ee0bcc3626738ae0343c3c4b6401bd7c5d1de3f6ac2af1c28b387294b4e534dc"`
[INFO] running `"docker" "rm" "-f" "ee0bcc3626738ae0343c3c4b6401bd7c5d1de3f6ac2af1c28b387294b4e534dc"`
[INFO] [stdout] ee0bcc3626738ae0343c3c4b6401bd7c5d1de3f6ac2af1c28b387294b4e534dc