[INFO] crate chain_peer 0.1.1 is already in cache [INFO] extracting crate chain_peer 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/chain_peer/0.1.1 [INFO] extracting crate chain_peer 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/chain_peer/0.1.1 [INFO] validating manifest of chain_peer-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of chain_peer-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing chain_peer-0.1.1 [INFO] finished frobbing chain_peer-0.1.1 [INFO] frobbed toml for chain_peer-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/chain_peer/0.1.1/Cargo.toml [INFO] started frobbing chain_peer-0.1.1 [INFO] finished frobbing chain_peer-0.1.1 [INFO] frobbed toml for chain_peer-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/chain_peer/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing chain_peer-0.1.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/chain_peer/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 284a5768523c3a56515e95cb299bc80c9c8c846622cedaf69feb1b6661a49728 [INFO] running `"docker" "start" "-a" "284a5768523c3a56515e95cb299bc80c9c8c846622cedaf69feb1b6661a49728"` [INFO] [stderr] Compiling chain_peer v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/peer/peer.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/peer/peer.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `channel` [INFO] [stderr] --> src/peer/server.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Events` [INFO] [stderr] --> src/peer/client.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use mio::{Events, Ready, Poll, PollOpt, Token}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::unix::UnixReady` [INFO] [stderr] --> src/peer/client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use mio::unix::UnixReady; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/peer/client.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/peer/client.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{Error, ErrorKind}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'mio::channel': use mio-extras instead [INFO] [stderr] --> src/peer/server.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'mio::Events::len': Index access removed in favor of iterator only API. [INFO] [stderr] --> src/peer/server.rs:64:76 [INFO] [stderr] | [INFO] [stderr] 64 | trace!("processing events... cnt={}; len={}", cnt, self.events.len()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'mio::Events::get': Index access removed in favor of iterator only API. [INFO] [stderr] --> src/peer/server.rs:74:41 [INFO] [stderr] | [INFO] [stderr] 74 | let event = self.events.get(i).expect("Failed to get event"); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w_q_clone` [INFO] [stderr] --> src/peer/peer.rs:47:17 [INFO] [stderr] | [INFO] [stderr] 47 | let w_q_clone = w_q.clone(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_w_q_clone` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `caches` [INFO] [stderr] --> src/peer/server.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let caches = self.caches.clone(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_caches` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/peer/client.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/peer.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | let mut cache = self.client_r.clone(); [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/peer.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut cache = self.client_w.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:171:17 [INFO] [stderr] | [INFO] [stderr] 171 | let mut w_cache = caches_clone.lock().unwrap().get_mut(&key).unwrap().clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | let mut caches = self.caches.clone(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:219:13 [INFO] [stderr] | [INFO] [stderr] 219 | let mut r_caches = self.r_caches.clone(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:269:13 [INFO] [stderr] | [INFO] [stderr] 269 | let mut r_caches = self.r_caches.clone(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/client.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut cache = self.r_cache.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/peer.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | poll.register(&stream, Token(100_000_001), Ready::writable(), PollOpt::edge()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/peer.rs:99:17 [INFO] [stderr] | [INFO] [stderr] 99 | poll.poll(&mut events, None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/peer.rs:105:25 [INFO] [stderr] | [INFO] [stderr] 105 | client.readable(&mut poll); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/server.rs:277:13 [INFO] [stderr] | [INFO] [stderr] 277 | c.send_message(Rc::new(Vec::new())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/client.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | poll.reregister(&self.sock, self.token, Ready::writable(), PollOpt::edge()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/client.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | / poll.reregister(&self.sock, self.token, self.interest, [INFO] [stderr] 108 | | PollOpt::edge()); [INFO] [stderr] | |___________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut r_q = Arc::new(Mutex::new(HashMap::new())); [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut w_q = Arc::new(Mutex::new(HashMap::new())); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let mut client_r = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut client_w = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut r_clone = r_q.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut w_clone = w_q.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut c_r = client_r.clone(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut c_w = client_w.clone(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.54s [INFO] running `"docker" "inspect" "284a5768523c3a56515e95cb299bc80c9c8c846622cedaf69feb1b6661a49728"` [INFO] running `"docker" "rm" "-f" "284a5768523c3a56515e95cb299bc80c9c8c846622cedaf69feb1b6661a49728"` [INFO] [stdout] 284a5768523c3a56515e95cb299bc80c9c8c846622cedaf69feb1b6661a49728 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/chain_peer/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] debb90a517f62bf9c162551c5d689a8f0af06206f12a856256546e94e57c9609 [INFO] running `"docker" "start" "-a" "debb90a517f62bf9c162551c5d689a8f0af06206f12a856256546e94e57c9609"` [INFO] [stderr] Compiling chain_peer v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/peer/peer.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/peer/peer.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `channel` [INFO] [stderr] --> src/peer/server.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Events` [INFO] [stderr] --> src/peer/client.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use mio::{Events, Ready, Poll, PollOpt, Token}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::unix::UnixReady` [INFO] [stderr] --> src/peer/client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use mio::unix::UnixReady; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/peer/client.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/peer/client.rs:8:15 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io::{Error, ErrorKind}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'mio::channel': use mio-extras instead [INFO] [stderr] --> src/peer/server.rs:7:11 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::{channel, Events, Poll, PollOpt, Ready, Token}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'mio::Events::len': Index access removed in favor of iterator only API. [INFO] [stderr] --> src/peer/server.rs:64:76 [INFO] [stderr] | [INFO] [stderr] 64 | trace!("processing events... cnt={}; len={}", cnt, self.events.len()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'mio::Events::get': Index access removed in favor of iterator only API. [INFO] [stderr] --> src/peer/server.rs:74:41 [INFO] [stderr] | [INFO] [stderr] 74 | let event = self.events.get(i).expect("Failed to get event"); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut r_q = Arc::new(Mutex::new(HashMap::new())); [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut w_q = Arc::new(Mutex::new(HashMap::new())); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let mut client_r = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut client_w = Arc::new(Mutex::new(Vec::new())); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut r_clone = r_q.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut w_clone = w_q.clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut c_r = client_r.clone(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut c_w = client_w.clone(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `w_q_clone` [INFO] [stderr] --> src/peer/peer.rs:47:17 [INFO] [stderr] | [INFO] [stderr] 47 | let w_q_clone = w_q.clone(); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_w_q_clone` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `caches` [INFO] [stderr] --> src/peer/server.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let caches = self.caches.clone(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_caches` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/peer/client.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/peer.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | let mut cache = self.client_r.clone(); [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/peer.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut cache = self.client_w.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:171:17 [INFO] [stderr] | [INFO] [stderr] 171 | let mut w_cache = caches_clone.lock().unwrap().get_mut(&key).unwrap().clone(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:218:13 [INFO] [stderr] | [INFO] [stderr] 218 | let mut caches = self.caches.clone(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:219:13 [INFO] [stderr] | [INFO] [stderr] 219 | let mut r_caches = self.r_caches.clone(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/server.rs:269:13 [INFO] [stderr] | [INFO] [stderr] 269 | let mut r_caches = self.r_caches.clone(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/peer/client.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let mut cache = self.r_cache.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/peer.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | poll.register(&stream, Token(100_000_001), Ready::writable(), PollOpt::edge()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/peer.rs:99:17 [INFO] [stderr] | [INFO] [stderr] 99 | poll.poll(&mut events, None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/peer.rs:105:25 [INFO] [stderr] | [INFO] [stderr] 105 | client.readable(&mut poll); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/server.rs:277:13 [INFO] [stderr] | [INFO] [stderr] 277 | c.send_message(Rc::new(Vec::new())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/client.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | poll.reregister(&self.sock, self.token, Ready::writable(), PollOpt::edge()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/peer/client.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | / poll.reregister(&self.sock, self.token, self.interest, [INFO] [stderr] 108 | | PollOpt::edge()); [INFO] [stderr] | |___________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "debb90a517f62bf9c162551c5d689a8f0af06206f12a856256546e94e57c9609"` [INFO] running `"docker" "rm" "-f" "debb90a517f62bf9c162551c5d689a8f0af06206f12a856256546e94e57c9609"` [INFO] [stdout] debb90a517f62bf9c162551c5d689a8f0af06206f12a856256546e94e57c9609 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/chain_peer/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 028551cdb07ed5979e2930a8a7801f7fef1517155f82354fa705b63f3e99b3cc [INFO] running `"docker" "start" "-a" "028551cdb07ed5979e2930a8a7801f7fef1517155f82354fa705b63f3e99b3cc"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/chain_peer-8166f04d9e9e793c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/chain_peer-af39113f4eafdb63 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests chain_peer [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "028551cdb07ed5979e2930a8a7801f7fef1517155f82354fa705b63f3e99b3cc"` [INFO] running `"docker" "rm" "-f" "028551cdb07ed5979e2930a8a7801f7fef1517155f82354fa705b63f3e99b3cc"` [INFO] [stdout] 028551cdb07ed5979e2930a8a7801f7fef1517155f82354fa705b63f3e99b3cc