[INFO] updating cached repository tmtaybah/simple__rust_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tmtaybah/simple__rust_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tmtaybah/simple__rust_server" "work/ex/beta-1.38-1/sources/1.37.0/gh/tmtaybah/simple__rust_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tmtaybah/simple__rust_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tmtaybah/simple__rust_server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmtaybah/simple__rust_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmtaybah/simple__rust_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd56a160eb500420959072994b99a0a3f54805ef
[INFO] sha for GitHub repo tmtaybah/simple__rust_server: cd56a160eb500420959072994b99a0a3f54805ef
[INFO] validating manifest of tmtaybah/simple__rust_server 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 tmtaybah/simple__rust_server 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 tmtaybah/simple__rust_server
[INFO] finished frobbing tmtaybah/simple__rust_server
[INFO] frobbed toml for tmtaybah/simple__rust_server written to work/ex/beta-1.38-1/sources/1.37.0/gh/tmtaybah/simple__rust_server/Cargo.toml
[INFO] started frobbing tmtaybah/simple__rust_server
[INFO] finished frobbing tmtaybah/simple__rust_server
[INFO] frobbed toml for tmtaybah/simple__rust_server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmtaybah/simple__rust_server/Cargo.toml
[INFO] crate tmtaybah/simple__rust_server 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 tmtaybah/simple__rust_server against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tmtaybah/simple__rust_server:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a3a265e87ec358b0b6c53170f9ddca721f859346f74de311d4c314375f698cc1
[INFO] running `"docker" "start" "-a" "a3a265e87ec358b0b6c53170f9ddca721f859346f74de311d4c314375f698cc1"`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.94
[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/crater/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" "a3a265e87ec358b0b6c53170f9ddca721f859346f74de311d4c314375f698cc1"`
[INFO] running `"docker" "rm" "-f" "a3a265e87ec358b0b6c53170f9ddca721f859346f74de311d4c314375f698cc1"`
[INFO] [stdout] a3a265e87ec358b0b6c53170f9ddca721f859346f74de311d4c314375f698cc1