[INFO] crate ferrous_threads 0.1.1 is already in cache
[INFO] checking ferrous_threads-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate ferrous_threads 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ferrous_threads 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ferrous_threads 0.1.1
[INFO] finished tweaking crates.io crate ferrous_threads 0.1.1
[INFO] tweaked toml for crates.io crate ferrous_threads 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] b9298280376b0e7324625f5aa6c480317653b7dbaeaa3651d92c445ae2d888b9
[INFO] running `"docker" "start" "-a" "b9298280376b0e7324625f5aa6c480317653b7dbaeaa3651d92c445ae2d888b9"`
[INFO] [stderr]     Checking canal v0.1.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking ferrous_threads v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/task_runner.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]   --> src/thread_pool.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | use std::boxed::FnBox;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `catch_panic` in module `thread`
[INFO] [stderr]    --> src/thread_pool.rs:258:31
[INFO] [stderr]     |
[INFO] [stderr] 258 |             let res = thread::catch_panic(move || { job.run(); });
[INFO] [stderr]     |                               ^^^^^^^^^^^ not found in `thread`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/thread_pool.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |             try!(self.free_chan.send(thread));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/thread_pool.rs:257:23
[INFO] [stderr]     |
[INFO] [stderr] 257 |             let job = try!(jobs.recv());
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/thread_pool.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             try!(res_sender.send(res));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task_runner.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     task_func: Box<FnBox() + Send + 'a>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread_pool.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub type Proc<'a> = Box<Runner + Send + 'a>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runner + Send + 'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `ferrous_threads`.
[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 `"docker" "inspect" "b9298280376b0e7324625f5aa6c480317653b7dbaeaa3651d92c445ae2d888b9"`
[INFO] running `"docker" "rm" "-f" "b9298280376b0e7324625f5aa6c480317653b7dbaeaa3651d92c445ae2d888b9"`
[INFO] [stdout] b9298280376b0e7324625f5aa6c480317653b7dbaeaa3651d92c445ae2d888b9