[INFO] crate zipper 0.0.2 is already in cache
[INFO] testing zipper-0.0.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate zipper 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zipper 0.0.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e893c02039854754bc59dca20d893fdb0281e62fef5e8d0e947bdbf874255e31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e893c02039854754bc59dca20d893fdb0281e62fef5e8d0e947bdbf874255e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e893c02039854754bc59dca20d893fdb0281e62fef5e8d0e947bdbf874255e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e893c02039854754bc59dca20d893fdb0281e62fef5e8d0e947bdbf874255e31", kill_on_drop: false }`
[INFO] [stdout] e893c02039854754bc59dca20d893fdb0281e62fef5e8d0e947bdbf874255e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91f60ae1ba21e10aef8acd95e3b6e7ff47d730732d29eb3f038b87096b80d2d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91f60ae1ba21e10aef8acd95e3b6e7ff47d730732d29eb3f038b87096b80d2d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "91f60ae1ba21e10aef8acd95e3b6e7ff47d730732d29eb3f038b87096b80d2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f60ae1ba21e10aef8acd95e3b6e7ff47d730732d29eb3f038b87096b80d2d6", kill_on_drop: false }`
[INFO] [stdout] 91f60ae1ba21e10aef8acd95e3b6e7ff47d730732d29eb3f038b87096b80d2d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cafe7b818b6137b516ab7cc12837b7a6fef40eca460e78b8d8188dd826cdc612
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cafe7b818b6137b516ab7cc12837b7a6fef40eca460e78b8d8188dd826cdc612", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 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] [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] [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[E0433]: failed to resolve: use of undeclared type or module `Zipper`
[INFO] [stdout]   --> examples/simple.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut z = Zipper::new(opts);
[INFO] [stdout]    |                 ^^^^^^ use of undeclared type or module `Zipper`
[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: 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] [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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cafe7b818b6137b516ab7cc12837b7a6fef40eca460e78b8d8188dd826cdc612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafe7b818b6137b516ab7cc12837b7a6fef40eca460e78b8d8188dd826cdc612", kill_on_drop: false }`
[INFO] [stdout] cafe7b818b6137b516ab7cc12837b7a6fef40eca460e78b8d8188dd826cdc612