[INFO] updating cached repository levysj/zero_width
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/levysj/zero_width
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/levysj/zero_width" "work/ex/beta-1.38-1/sources/1.37.0/gh/levysj/zero_width"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/levysj/zero_width'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/levysj/zero_width" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/levysj/zero_width"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/levysj/zero_width'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75f3904ef51824a116cd5347edaead08a6bc0ae8
[INFO] sha for GitHub repo levysj/zero_width: 75f3904ef51824a116cd5347edaead08a6bc0ae8
[INFO] validating manifest of levysj/zero_width on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of levysj/zero_width on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing levysj/zero_width
[INFO] finished frobbing levysj/zero_width
[INFO] frobbed toml for levysj/zero_width written to work/ex/beta-1.38-1/sources/1.37.0/gh/levysj/zero_width/Cargo.toml
[INFO] started frobbing levysj/zero_width
[INFO] finished frobbing levysj/zero_width
[INFO] frobbed toml for levysj/zero_width written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/levysj/zero_width/Cargo.toml
[INFO] crate levysj/zero_width already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing levysj/zero_width against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/levysj/zero_width:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6cf4fd1ff5f8bab7b074366eab7c9ae2d0b9a9f16adae2484c77b32797e887f4
[INFO] running `"docker" "start" "-a" "6cf4fd1ff5f8bab7b074366eab7c9ae2d0b9a9f16adae2484c77b32797e887f4"`
[INFO] [stderr]    Compiling zero_width v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0382]: use of moved value: `ret`
[INFO] [stderr]   --> src/lib.rs:67:36
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut ret: Vec<String> = Vec::new();
[INFO] [stderr]    |         ------- move occurs because `ret` has type `std::vec::Vec<std::string::String>`, which does not implement the `Copy` trait
[INFO] [stderr] ...
[INFO] [stderr] 67 |         let handle = thread::spawn(move || {
[INFO] [stderr]    |                                    ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stderr] 68 |             match dembbed_zero_width(&String::from(line)) {
[INFO] [stderr] 69 |                 Ok(o) => ret.push(o),
[INFO] [stderr]    |                          --- use occurs due to use in closure
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0382`.
[INFO] [stderr] error: Could not compile `zero_width`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6cf4fd1ff5f8bab7b074366eab7c9ae2d0b9a9f16adae2484c77b32797e887f4"`
[INFO] running `"docker" "rm" "-f" "6cf4fd1ff5f8bab7b074366eab7c9ae2d0b9a9f16adae2484c77b32797e887f4"`
[INFO] [stdout] 6cf4fd1ff5f8bab7b074366eab7c9ae2d0b9a9f16adae2484c77b32797e887f4