[INFO] updating cached repository https://github.com/jfrikker/arbiter [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] b8fbe0b7dfe90154994c1ce1e4eaaf33cc50b42c [INFO] checking jfrikker/arbiter against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfrikker%2Farbiter" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jfrikker/arbiter on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jfrikker/arbiter [INFO] finished tweaking git repo https://github.com/jfrikker/arbiter [INFO] tweaked toml for git repo https://github.com/jfrikker/arbiter written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/jfrikker/arbiter already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] b933b7f9473eead3102ff9dcec45640eae2e95cb6bb82232f36e7f0b61c32cad [INFO] running `"docker" "start" "-a" "b933b7f9473eead3102ff9dcec45640eae2e95cb6bb82232f36e7f0b61c32cad"` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-threadpool v0.1.13 [INFO] [stderr] Checking stderrlog v0.4.1 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling prost-build v0.5.0 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Compiling tempfile v3.0.7 [INFO] [stderr] Checking tokio v0.1.18 [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Compiling prost v0.5.0 [INFO] [stderr] Compiling prost-types v0.5.0 [INFO] [stderr] Compiling arbiter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `error`, `info` [INFO] [stderr] --> src/main.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use log::{error, info}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude::*` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::codec::Framed` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use tokio::codec::Framed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::codec::length_delimited::Builder` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use tokio::codec::length_delimited::Builder; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::net::TcpListener` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use tokio::net::TcpListener; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `run`, `spawn` [INFO] [stderr] --> src/main.rs:12:38 [INFO] [stderr] | [INFO] [stderr] 12 | use tokio::runtime::current_thread::{run, spawn}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::sync::mpsc::unbounded_channel` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use tokio::sync::mpsc::unbounded_channel; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error`, `info` [INFO] [stderr] --> src/main.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use log::{error, info}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude::*` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::codec::Framed` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use tokio::codec::Framed; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::codec::length_delimited::Builder` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use tokio::codec::length_delimited::Builder; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::net::TcpListener` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use tokio::net::TcpListener; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `run`, `spawn` [INFO] [stderr] --> src/main.rs:12:38 [INFO] [stderr] | [INFO] [stderr] 12 | use tokio::runtime::current_thread::{run, spawn}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::sync::mpsc::unbounded_channel` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use tokio::sync::mpsc::unbounded_channel; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `arbiter` [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / mod arbiter; [INFO] [stderr] 2 | | mod arbiter_fut; [INFO] [stderr] 3 | | mod messages; [INFO] [stderr] 4 | | [INFO] [stderr] ... | [INFO] [stderr] 12 | | use tokio::runtime::current_thread::{run, spawn}; [INFO] [stderr] 13 | | use tokio::sync::mpsc::unbounded_channel; [INFO] [stderr] | |_________________________________________^ consider adding a `main` function to `src/main.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] error: could not compile `arbiter`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: method is never used: `get_state` [INFO] [stderr] --> src/arbiter.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn get_state(&self, id: &TID) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `transaction_progress_many` [INFO] [stderr] --> src/arbiter.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | / pub fn transaction_progress_many(&mut self, id: &TID, read: R, written: W) -> Result> [INFO] [stderr] 36 | | where R: IntoIterator, [INFO] [stderr] 37 | | W: IntoIterator { [INFO] [stderr] 38 | | self.with_transaction_mut(id, |txn| txn.transaction_progress_many(read, written))?; [INFO] [stderr] 39 | | Ok(self.advance_txns()) [INFO] [stderr] 40 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_transaction` [INFO] [stderr] --> src/arbiter.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | / fn with_transaction(&self, id: &TID, f: F) -> Result [INFO] [stderr] 136 | | where F: FnOnce(&Transaction) -> Result { [INFO] [stderr] 137 | | self.txns.get(id).map_or(Err(Error::UnknownTransaction), f) [INFO] [stderr] 138 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `transaction_progress_many` [INFO] [stderr] --> src/arbiter.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | / fn transaction_progress_many (&mut self, read: R, written: W) -> Result<()> [INFO] [stderr] 165 | | where R: IntoIterator, [INFO] [stderr] 166 | | W: IntoIterator { [INFO] [stderr] 167 | | match self.state_type { [INFO] [stderr] ... | [INFO] [stderr] 174 | | Ok(()) [INFO] [stderr] 175 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `commit_completed` [INFO] [stderr] --> src/arbiter.rs:218:5 [INFO] [stderr] | [INFO] [stderr] 218 | fn commit_completed(&mut self) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_can_commit` [INFO] [stderr] --> src/arbiter.rs:289:5 [INFO] [stderr] | [INFO] [stderr] 289 | pub fn get_can_commit(&self) -> &Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_failed` [INFO] [stderr] --> src/arbiter.rs:293:5 [INFO] [stderr] | [INFO] [stderr] 293 | pub fn get_failed(&self) -> &Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ArbiterFut` [INFO] [stderr] --> src/arbiter_fut.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | pub struct ArbiterFut { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/arbiter_fut.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `start_transaction` [INFO] [stderr] --> src/arbiter_fut.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn start_transaction(&mut self, id: TID) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `transaction_progress_many` [INFO] [stderr] --> src/arbiter_fut.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | / pub fn transaction_progress_many(&mut self, id: &TID, read: R, written: W) -> Result [INFO] [stderr] 30 | | where R: IntoIterator, [INFO] [stderr] 31 | | W: IntoIterator { [INFO] [stderr] 32 | | if !self.check_cancelled(id)? { [INFO] [stderr] ... | [INFO] [stderr] 37 | | Ok(update.get_failed().contains(id)) [INFO] [stderr] 38 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `start_commit` [INFO] [stderr] --> src/arbiter_fut.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn start_commit(&mut self, id: &TID) -> impl Future { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `commit_completed` [INFO] [stderr] --> src/arbiter_fut.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn commit_completed(&mut self, id: &TID) -> Result<(), Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_update` [INFO] [stderr] --> src/arbiter_fut.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | fn handle_update(&mut self, update: &TransactionUpdate) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `check_cancelled` [INFO] [stderr] --> src/arbiter_fut.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | fn check_cancelled(&self, id: &TID) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CanCommit` [INFO] [stderr] --> src/arbiter_fut.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | CanCommit, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `MustRetry` [INFO] [stderr] --> src/arbiter_fut.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | MustRetry [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b933b7f9473eead3102ff9dcec45640eae2e95cb6bb82232f36e7f0b61c32cad"` [INFO] running `"docker" "rm" "-f" "b933b7f9473eead3102ff9dcec45640eae2e95cb6bb82232f36e7f0b61c32cad"` [INFO] [stdout] b933b7f9473eead3102ff9dcec45640eae2e95cb6bb82232f36e7f0b61c32cad