[INFO] fetching crate ferrous_threads 0.1.1... [INFO] testing ferrous_threads-0.1.1 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate ferrous_threads 0.1.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate ferrous_threads 0.1.1 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 35cbd2735f7755ff94a21336cc5e64d3804b7f5721408e7f8a9d663da360a45e [INFO] running `"docker" "start" "-a" "35cbd2735f7755ff94a21336cc5e64d3804b7f5721408e7f8a9d663da360a45e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling canal v0.1.2 [INFO] [stderr] Compiling 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] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(fnbox)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(drain)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(catch_panic)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [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, [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; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runner + Send + 'a` [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors; 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554. [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] running `"docker" "inspect" "35cbd2735f7755ff94a21336cc5e64d3804b7f5721408e7f8a9d663da360a45e"` [INFO] running `"docker" "rm" "-f" "35cbd2735f7755ff94a21336cc5e64d3804b7f5721408e7f8a9d663da360a45e"` [INFO] [stdout] 35cbd2735f7755ff94a21336cc5e64d3804b7f5721408e7f8a9d663da360a45e