Dec 05 22:00:59.209 INFO testing hardvain/dua against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 22:00:59.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 22:00:59.688 INFO [stdout] 004c7b8a052cdbbb745e2330e247cfd878ec2940efe09b46d4550f01580f7830
Dec 05 22:00:59.690 INFO running `"docker" "start" "-a" "004c7b8a052cdbbb745e2330e247cfd878ec2940efe09b46d4550f01580f7830"`
Dec 05 22:01:00.997 INFO [stderr] usermod: no changes
Dec 05 22:01:01.060 INFO [stderr]    Compiling dua v0.1.0 (/source)
Dec 05 22:01:01.351 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 05 22:01:01.351 INFO [stderr]  --> src/main.rs:3:5
Dec 05 22:01:01.351 INFO [stderr]   |
Dec 05 22:01:01.351 INFO [stderr] 3 | use std::fmt::Debug;
Dec 05 22:01:01.351 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 22:01:01.356 INFO [stderr]   |
Dec 05 22:01:01.356 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 22:01:01.356 INFO [stderr] 
Dec 05 22:01:01.356 INFO [stderr] warning: unused import: `std::path::Display`
Dec 05 22:01:01.356 INFO [stderr]  --> src/main.rs:5:5
Dec 05 22:01:01.356 INFO [stderr]   |
Dec 05 22:01:01.356 INFO [stderr] 5 | use std::path::Display;
Dec 05 22:01:01.356 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 22:01:01.356 INFO [stderr] 
Dec 05 22:01:01.356 INFO [stderr] warning: unused imports: `Receiver`, `Sender`
Dec 05 22:01:01.356 INFO [stderr]  --> src/main.rs:8:23
Dec 05 22:01:01.357 INFO [stderr]   |
Dec 05 22:01:01.357 INFO [stderr] 8 | use std::sync::mpsc::{Sender, Receiver};
Dec 05 22:01:01.357 INFO [stderr]   |                       ^^^^^^  ^^^^^^^^
Dec 05 22:01:01.357 INFO [stderr] 
Dec 05 22:01:01.404 INFO [stderr] error[E0277]: `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>` cannot be shared between threads safely
Dec 05 22:01:01.404 INFO [stderr]   --> src/main.rs:29:13
Dec 05 22:01:01.404 INFO [stderr]    |
Dec 05 22:01:01.404 INFO [stderr] 29 |             thread::spawn(|| {
Dec 05 22:01:01.404 INFO [stderr]    |             ^^^^^^^^^^^^^ `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>` cannot be shared between threads safely
Dec 05 22:01:01.404 INFO [stderr]    |
Dec 05 22:01:01.404 INFO [stderr]    = help: the trait `std::marker::Sync` is not implemented for `std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>`
Dec 05 22:01:01.404 INFO [stderr]    = note: required because of the requirements on the impl of `std::marker::Send` for `&std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>`
Dec 05 22:01:01.404 INFO [stderr]    = note: required because it appears within the type `[closure@src/main.rs:29:27: 32:14 file:&std::fs::DirEntry, tx:&std::sync::mpsc::Sender<std::result::Result<std::vec::Vec<File>, _>>]`
Dec 05 22:01:01.404 INFO [stderr]    = note: required by `std::thread::spawn`
Dec 05 22:01:01.404 INFO [stderr] 
Dec 05 22:01:01.412 INFO [stderr] error: aborting due to previous error
Dec 05 22:01:01.412 INFO [stderr] 
Dec 05 22:01:01.412 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 05 22:01:01.426 INFO [stderr] error: Could not compile `dua`.
Dec 05 22:01:01.426 INFO [stderr] 
Dec 05 22:01:01.426 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 22:01:01.426 INFO [stderr] su: No module specific data is present
Dec 05 22:01:02.426 INFO running `"docker" "inspect" "004c7b8a052cdbbb745e2330e247cfd878ec2940efe09b46d4550f01580f7830"`
Dec 05 22:01:02.731 INFO running `"docker" "rm" "-f" "004c7b8a052cdbbb745e2330e247cfd878ec2940efe09b46d4550f01580f7830"`
Dec 05 22:01:03.024 INFO [stdout] 004c7b8a052cdbbb745e2330e247cfd878ec2940efe09b46d4550f01580f7830