[INFO] updating cached repository https://github.com/tmtaybah/simple__rust_server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd56a160eb500420959072994b99a0a3f54805ef
[INFO] testing tmtaybah/simple__rust_server against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmtaybah%2Fsimple__rust_server" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmtaybah/simple__rust_server on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tmtaybah/simple__rust_server
[INFO] finished tweaking git repo https://github.com/tmtaybah/simple__rust_server
[INFO] tweaked toml for git repo https://github.com/tmtaybah/simple__rust_server written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tmtaybah/simple__rust_server already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a1c93ccd57f9a01f5d4d7a1f0879073b5b76ac8a63bd36aed45acd19a0af978a
[INFO] running `"docker" "start" "-a" "a1c93ccd57f9a01f5d4d7a1f0879073b5b76ac8a63bd36aed45acd19a0af978a"`
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]    Compiling askama v0.8.0
[INFO] [stderr]    Compiling simple_webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0573]: expected type, found module `self`
[INFO] [stderr]   --> src/lib.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn call_box(self: Box<self>);
[INFO] [stderr]    |                           ^^^^ help: a self type with a similar name exists: `Self`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `FnBox` cannot be made into an object
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     sender: mpsc::Sender<Job>, // ThreadPool holds sending end of channel
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FnBox` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = note: method `call_box`'s receiver cannot be dispatched on
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `FnBox` cannot be made into an object
[INFO] [stderr]   --> src/lib.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `FnBox` cannot be made into an object
[INFO] [stderr]    |
[INFO] [stderr]    = note: method `call_box`'s receiver cannot be dispatched on
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0038`.
[INFO] [stderr] error: Could not compile `simple_webserver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a1c93ccd57f9a01f5d4d7a1f0879073b5b76ac8a63bd36aed45acd19a0af978a"`
[INFO] running `"docker" "rm" "-f" "a1c93ccd57f9a01f5d4d7a1f0879073b5b76ac8a63bd36aed45acd19a0af978a"`
[INFO] [stdout] a1c93ccd57f9a01f5d4d7a1f0879073b5b76ac8a63bd36aed45acd19a0af978a