[INFO] cloning repository https://github.com/levysj/zero_width
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levysj/zero_width" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevysj%2Fzero_width", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevysj%2Fzero_width'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75f3904ef51824a116cd5347edaead08a6bc0ae8
[INFO] checking levysj/zero_width against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevysj%2Fzero_width" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/levysj/zero_width on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/levysj/zero_width
[INFO] finished tweaking git repo https://github.com/levysj/zero_width
[INFO] tweaked toml for git repo https://github.com/levysj/zero_width written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/levysj/zero_width already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdb550d8b620b69c860ed507ae91b839170493d970a665cdb410997c4bb755b9
[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" "fdb550d8b620b69c860ed507ae91b839170493d970a665cdb410997c4bb755b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdb550d8b620b69c860ed507ae91b839170493d970a665cdb410997c4bb755b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb550d8b620b69c860ed507ae91b839170493d970a665cdb410997c4bb755b9", kill_on_drop: false }`
[INFO] [stdout] fdb550d8b620b69c860ed507ae91b839170493d970a665cdb410997c4bb755b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7907842b112fc59b3ffb6ec9d819f45a2b04e6907fe3462d1500032d265e6281
[INFO] running `Command { std: "docker" "start" "-a" "7907842b112fc59b3ffb6ec9d819f45a2b04e6907fe3462d1500032d265e6281", kill_on_drop: false }`
[INFO] [stderr]     Checking zero_width v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/zero_width_fun.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Err(e) => Err(ZeroWidthError::new(e.description())),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `ret`
[INFO] [stdout]   --> src/lib.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut ret: Vec<String> = Vec::new();
[INFO] [stdout]    |         ------- move occurs because `ret` has type `std::vec::Vec<std::string::String>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 67 |         let handle = thread::spawn(move || {
[INFO] [stdout]    |                                    ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stdout] 68 |             match dembbed_zero_width(&String::from(line)) {
[INFO] [stdout] 69 |                 Ok(o) => ret.push(o),
[INFO] [stdout]    |                          --- use occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/zero_width_fun.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Err(e) => Err(ZeroWidthError::new(e.description())),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `ret`
[INFO] [stdout]   --> src/lib.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut ret: Vec<String> = Vec::new();
[INFO] [stdout]    |         ------- move occurs because `ret` has type `std::vec::Vec<std::string::String>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 67 |         let handle = thread::spawn(move || {
[INFO] [stdout]    |                                    ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stdout] 68 |             match dembbed_zero_width(&String::from(line)) {
[INFO] [stdout] 69 |                 Ok(o) => ret.push(o),
[INFO] [stdout]    |                          --- use occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero_width`.
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7907842b112fc59b3ffb6ec9d819f45a2b04e6907fe3462d1500032d265e6281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7907842b112fc59b3ffb6ec9d819f45a2b04e6907fe3462d1500032d265e6281", kill_on_drop: false }`
[INFO] [stdout] 7907842b112fc59b3ffb6ec9d819f45a2b04e6907fe3462d1500032d265e6281
