[INFO] updating cached repository https://github.com/tmtaybah/simple__rust_server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] checking tmtaybah/simple__rust_server against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmtaybah%2Fsimple__rust_server" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmtaybah/simple__rust_server on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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 /workspace/builds/worker-2/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 `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4973eee3ba47e770318ae57cc6cd3bd6588371bf75f14939bb9a6b7e52e154f
[INFO] running `"docker" "start" "-a" "c4973eee3ba47e770318ae57cc6cd3bd6588371bf75f14939bb9a6b7e52e154f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking 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 (notice the capitalization): `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] 11 | trait FnBox {
[INFO] [stderr]    |       ----- this trait cannot be made into an object...
[INFO] [stderr] 12 |     fn call_box(self: Box<self>);
[INFO] [stderr]    |                       ---------
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       ...because method `call_box`'s `self` parameter cannot be dispatched on
[INFO] [stderr]    |                       help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self`
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `FnBox` cannot be made into an object
[INFO] [stderr]   --> src/lib.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 11 | trait FnBox {
[INFO] [stderr]    |       ----- this trait cannot be made into an object...
[INFO] [stderr] 12 |     fn call_box(self: Box<self>);
[INFO] [stderr]    |                       ---------
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       ...because method `call_box`'s `self` parameter cannot be dispatched on
[INFO] [stderr]    |                       help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self`
[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] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0038, E0573.
[INFO] [stderr] For more information about an 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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 (notice the capitalization): `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] 11 | trait FnBox {
[INFO] [stderr]    |       ----- this trait cannot be made into an object...
[INFO] [stderr] 12 |     fn call_box(self: Box<self>);
[INFO] [stderr]    |                       ---------
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       ...because method `call_box`'s `self` parameter cannot be dispatched on
[INFO] [stderr]    |                       help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self`
[INFO] [stderr] 
[INFO] [stderr] error[E0038]: the trait `FnBox` cannot be made into an object
[INFO] [stderr]   --> src/lib.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 11 | trait FnBox {
[INFO] [stderr]    |       ----- this trait cannot be made into an object...
[INFO] [stderr] 12 |     fn call_box(self: Box<self>);
[INFO] [stderr]    |                       ---------
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       ...because method `call_box`'s `self` parameter cannot be dispatched on
[INFO] [stderr]    |                       help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self`
[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] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0038, E0573.
[INFO] [stderr] For more information about an 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" "c4973eee3ba47e770318ae57cc6cd3bd6588371bf75f14939bb9a6b7e52e154f"`
[INFO] running `"docker" "rm" "-f" "c4973eee3ba47e770318ae57cc6cd3bd6588371bf75f14939bb9a6b7e52e154f"`
[INFO] [stdout] c4973eee3ba47e770318ae57cc6cd3bd6588371bf75f14939bb9a6b7e52e154f
