[INFO] updating cached repository https://github.com/spirali/rsds
[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] 7119ad2f02ecea64b90975af202f8516fbce5ba8
[INFO] checking spirali/rsds against try#9ff4d07208097950831ed4ea9d76feb1eafc8baa for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspirali%2Frsds" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spirali/rsds on toolchain 9ff4d07208097950831ed4ea9d76feb1eafc8baa
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/spirali/rsds
[INFO] finished tweaking git repo https://github.com/spirali/rsds
[INFO] tweaked toml for git repo https://github.com/spirali/rsds written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/spirali/rsds already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "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] 8b0f0ea66b09d8bd791ad389b1954d15d298e4c1e5d023dc7bcc0c711a76dac2
[INFO] running `"docker" "start" "-a" "8b0f0ea66b09d8bd791ad389b1954d15d298e4c1e5d023dc7bcc0c711a76dac2"`
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.6
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.6
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking serde-tuple-vec-map v0.2.1
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking rmpv v0.4.2
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking rsds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ClientTaskSpec`
[INFO] [stderr]  --> src/reactor.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::protocol::clientmsg::{ClientTaskSpec, UpdateGraphMsg};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FuturesOrdered`
[INFO] [stderr]   --> src/reactor.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 | use futures::stream::{FuturesUnordered, FuturesOrdered};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]   --> src/reactor.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use hashbrown::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ClientTaskSpec`
[INFO] [stderr]  --> src/reactor.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::protocol::clientmsg::{ClientTaskSpec, UpdateGraphMsg};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FuturesOrdered`
[INFO] [stderr]   --> src/reactor.rs:24:41
[INFO] [stderr]    |
[INFO] [stderr] 24 | use futures::stream::{FuturesUnordered, FuturesOrdered};
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hashbrown::HashMap`
[INFO] [stderr]   --> src/reactor.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use hashbrown::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `nthreads` in initializer of `protocol::generic::RegisterWorkerMsg`
[INFO] [stderr]    --> src/comm.rs:671:17
[INFO] [stderr]     |
[INFO] [stderr] 671 |                 RegisterWorkerMsg {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^ missing `nthreads`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/reactor.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let mut worker_futures = join_all(
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/comm.rs:728:28
[INFO] [stderr]     |
[INFO] [stderr] 728 |           t.get_mut().spec = ClientTaskSpec::Direct {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 729 | |             function: dummy_serialized(),
[INFO] [stderr] 730 | |             args: dummy_serialized(),
[INFO] [stderr] 731 | |             kwargs: Some(dummy_serialized()),
[INFO] [stderr] 732 | |         };
[INFO] [stderr]     | |_________^ expected enum `std::option::Option`, found enum `protocol::clientmsg::ClientTaskSpec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<protocol::clientmsg::ClientTaskSpec>`
[INFO] [stderr]                found enum `protocol::clientmsg::ClientTaskSpec`
[INFO] [stderr] help: try using a variant of the expected enum
[INFO] [stderr]     |
[INFO] [stderr] 728 |         t.get_mut().spec = protocol::clientmsg::_IMPL_DESERIALIZE_FOR_ClientTaskSpec::_serde::export::Some(ClientTaskSpec::Direct {
[INFO] [stderr] 729 |             function: dummy_serialized(),
[INFO] [stderr] 730 |             args: dummy_serialized(),
[INFO] [stderr] 731 |             kwargs: Some(dummy_serialized()),
[INFO] [stderr] 732 |         });
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: could not compile `rsds`.
[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] warning: unused variable: `i`
[INFO] [stderr]    --> src/reactor.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let i = for (i, wr) in workers.iter().enumerate() {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/scheduler/workstealing/scheduler.rs:331:25
[INFO] [stderr]     |
[INFO] [stderr] 331 |                     let mut task = tref.get_mut();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut_by_key`
[INFO] [stderr]   --> src/common/key_id_map.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     pub fn get_mut_by_key<Q: Eq + Hash + ?Sized>(&mut self, key: &Q) -> Option<&mut Type>
[INFO] [stderr] 61 | |     where
[INFO] [stderr] 62 | |         Type::Key: Borrow<Q>,
[INFO] [stderr] 63 | |     {
[INFO] [stderr] 64 | |         self.get_id_by_key(&key)
[INFO] [stderr] 65 | |             .and_then(move |id| self.get_mut_by_id(id))
[INFO] [stderr] 66 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_by_key`
[INFO] [stderr]   --> src/common/key_id_map.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | /     pub fn remove_by_key<Q: Eq + Hash + ?Sized>(&mut self, key: &Q)
[INFO] [stderr] 78 | |     where
[INFO] [stderr] 79 | |         Type::Key: Borrow<Q>,
[INFO] [stderr] 80 | |     {
[INFO] [stderr] 81 | |         let id = self.key_to_id.remove(key).expect("Key does not exist");
[INFO] [stderr] 82 | |         assert!(self.id_to_item.remove(&id).is_some());
[INFO] [stderr] 83 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_num_refs`
[INFO] [stderr]   --> src/common/wrapped.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub(crate) fn get_num_refs(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/common/wrapped.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new(value: Rc<T>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/common/wrapped.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn get(&self) -> &Rc<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MIN_SCHEDULING_DELAY`
[INFO] [stderr]   --> src/scheduler/workstealing/scheduler.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const MIN_SCHEDULING_DELAY: Duration = Duration::from_millis(15);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8b0f0ea66b09d8bd791ad389b1954d15d298e4c1e5d023dc7bcc0c711a76dac2"`
[INFO] running `"docker" "rm" "-f" "8b0f0ea66b09d8bd791ad389b1954d15d298e4c1e5d023dc7bcc0c711a76dac2"`
[INFO] [stdout] 8b0f0ea66b09d8bd791ad389b1954d15d298e4c1e5d023dc7bcc0c711a76dac2