[INFO] crate zipper 0.0.2 is already in cache
[INFO] testing zipper-0.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate zipper 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zipper 0.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf5603cb7b0b50d806cb6821379959f9d112991897375e48590784ff7830d915
[INFO] running `"docker" "start" "-a" "cf5603cb7b0b50d806cb6821379959f9d112991897375e48590784ff7830d915"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling zipper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/zipper.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let bytes_read = file.read_to_end(&mut buffer).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opts`
[INFO] [stderr]   --> src/zipper.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     opts: ZipperOptions,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "cf5603cb7b0b50d806cb6821379959f9d112991897375e48590784ff7830d915"`
[INFO] running `"docker" "rm" "-f" "cf5603cb7b0b50d806cb6821379959f9d112991897375e48590784ff7830d915"`
[INFO] [stdout] cf5603cb7b0b50d806cb6821379959f9d112991897375e48590784ff7830d915
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bb4e673e4991f4c79fa224f235f94daa29942b4f08d79282898d59db5b64d93
[INFO] running `"docker" "start" "-a" "9bb4e673e4991f4c79fa224f235f94daa29942b4f08d79282898d59db5b64d93"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling zipper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/zipper.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let bytes_read = file.read_to_end(&mut buffer).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opts`
[INFO] [stderr]   --> src/zipper.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     opts: ZipperOptions,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/zipper.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let bytes_read = file.read_to_end(&mut buffer).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opts`
[INFO] [stderr]   --> src/zipper.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     opts: ZipperOptions,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[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]    |
[INFO] [stderr] help: consider importing this struct
[INFO] [stderr]    |
[INFO] [stderr] 6  | use zipper::zipper::ZipperOptions;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[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] warning: function is never used: `get_asset_path`
[INFO] [stderr]   --> examples/util.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn get_asset_path(s: &str) -> PathBuf {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9bb4e673e4991f4c79fa224f235f94daa29942b4f08d79282898d59db5b64d93"`
[INFO] running `"docker" "rm" "-f" "9bb4e673e4991f4c79fa224f235f94daa29942b4f08d79282898d59db5b64d93"`
[INFO] [stdout] 9bb4e673e4991f4c79fa224f235f94daa29942b4f08d79282898d59db5b64d93