[INFO] updating cached repository https://github.com/binshengliu/rforests [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] 40a73e30640d99db67db94435f2361758a7ea949 [INFO] testing binshengliu/rforests against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinshengliu%2Frforests" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/binshengliu/rforests 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 git repo https://github.com/binshengliu/rforests [INFO] finished tweaking git repo https://github.com/binshengliu/rforests [INFO] tweaked toml for git repo https://github.com/binshengliu/rforests written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/binshengliu/rforests already has a lockfile, it will not be regenerated [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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e5f426ddfff33c091825e7c60d75ef27f6a63348b264ea9b44c035374ea2767e [INFO] running `"docker" "start" "-a" "e5f426ddfff33c091825e7c60d75ef27f6a63348b264ea9b44c035374ea2767e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.32 [INFO] [stderr] Compiling lazy_static v0.2.9 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling scoped_threadpool v0.1.8 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.3 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling clap v2.27.0 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling rforests v0.1.0 (/opt/rustwide/workdir) [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(ord_max_min)] [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(conservative_impl_trait)] [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(unboxed_closures)] [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(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/util.rs:1:51 [INFO] [stderr] | [INFO] [stderr] 1 | pub type Result = ::std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)` [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/metric/mod.rs:18:48 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(name: &str, k: usize) -> Option> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/train/dataset.rs:326:22 [INFO] [stderr] | [INFO] [stderr] 326 | metric: &Box, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/train/validate_set.rs:24:40 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn measure(&self, metric: &Box) -> f64 { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/train/lambdamart/training_set.rs:174:18 [INFO] [stderr] | [INFO] [stderr] 174 | metric: &Box, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/train/lambdamart/training_set.rs:351:70 [INFO] [stderr] | [INFO] [stderr] 351 | pub fn update_lambdas_weights<'a, 'b>(&'a mut self, metric: &Box) { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/train/lambdamart/training_set.rs:392:40 [INFO] [stderr] | [INFO] [stderr] 392 | pub fn measure(&self, metric: &Box) -> f64 { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/train/lambdamart/lambdamart.rs:20:21 [INFO] [stderr] | [INFO] [stderr] 20 | pub metric: Box, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Measure` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/util.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | / lazy_static! { [INFO] [stderr] 13 | | pub static ref POOL: Mutex = Mutex::new(Pool::new(num_cpus::get() as u32)); [INFO] [stderr] 14 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/util.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | / lazy_static! { [INFO] [stderr] 13 | | pub static ref POOL: Mutex = Mutex::new(Pool::new(num_cpus::get() as u32)); [INFO] [stderr] 14 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/metric/ndcg.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | / lazy_static! { [INFO] [stderr] 5 | | static ref DISCOUNT: Vec = (0..128).map(|i| 1.0 / (i as f64 + 2.0).log2()).collect(); [INFO] [stderr] 6 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/metric/ndcg.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | / lazy_static! { [INFO] [stderr] 5 | | static ref DISCOUNT: Vec = (0..128).map(|i| 1.0 / (i as f64 + 2.0).log2()).collect(); [INFO] [stderr] 6 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/format/svmlight.rs:217:32 [INFO] [stderr] | [INFO] [stderr] 217 | .map_err(|e| e.description().into()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors; 13 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `rforests`. [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" "e5f426ddfff33c091825e7c60d75ef27f6a63348b264ea9b44c035374ea2767e"` [INFO] running `"docker" "rm" "-f" "e5f426ddfff33c091825e7c60d75ef27f6a63348b264ea9b44c035374ea2767e"` [INFO] [stdout] e5f426ddfff33c091825e7c60d75ef27f6a63348b264ea9b44c035374ea2767e