[INFO] fetching crate zipper 0.0.2...
[INFO] checking zipper-0.0.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate zipper 0.0.2 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate zipper 0.0.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0df323814e4c5c9544905d60b2390541c79c403a8814ff4016499305c66dc55e
[INFO] running `Command { std: "docker" "start" "-a" "0df323814e4c5c9544905d60b2390541c79c403a8814ff4016499305c66dc55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df323814e4c5c9544905d60b2390541c79c403a8814ff4016499305c66dc55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df323814e4c5c9544905d60b2390541c79c403a8814ff4016499305c66dc55e", kill_on_drop: false }`
[INFO] [stdout] 0df323814e4c5c9544905d60b2390541c79c403a8814ff4016499305c66dc55e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5298f3e15dd2c3f0f8edb302b3c5ccf9e8344d6e3f2e3b195a805ce2080d3724
[INFO] running `Command { std: "docker" "start" "-a" "5298f3e15dd2c3f0f8edb302b3c5ccf9e8344d6e3f2e3b195a805ce2080d3724", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking zipper v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/zipper.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let bytes_read = file.read_to_end(&mut buffer).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts`
[INFO] [stdout]   --> src/zipper.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     opts: ZipperOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/zipper.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let bytes_read = file.read_to_end(&mut buffer).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opts`
[INFO] [stdout]   --> src/zipper.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     opts: ZipperOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> examples/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ no `env_logger` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `util`
[INFO] [stdout]   --> examples/util.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use env_logger;
[INFO] [stdout] 2  | | use std::fs::create_dir_all;
[INFO] [stdout] 3  | | use std::path::{Path, PathBuf};
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     Path::new("./examples/output/").join(s)
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/util.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `zip`?
[INFO] [stdout]  --> examples/simple.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use zip::zipper::{Zipper, ZipperOptions};
[INFO] [stdout]   |     ^^^ maybe a missing crate `zip`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `ZipperOptions` in this scope
[INFO] [stdout]   --> examples/simple.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let opts = ZipperOptions {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use zipper::zipper::ZipperOptions;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Zipper`
[INFO] [stdout]   --> examples/simple.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut z = Zipper::new(opts);
[INFO] [stdout]    |                 ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use zipper::zipper::Zipper;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zipper` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function is never used: `get_asset_path`
[INFO] [stdout]   --> examples/util.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn get_asset_path(s: &str) -> PathBuf {
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5298f3e15dd2c3f0f8edb302b3c5ccf9e8344d6e3f2e3b195a805ce2080d3724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5298f3e15dd2c3f0f8edb302b3c5ccf9e8344d6e3f2e3b195a805ce2080d3724", kill_on_drop: false }`
[INFO] [stdout] 5298f3e15dd2c3f0f8edb302b3c5ccf9e8344d6e3f2e3b195a805ce2080d3724
