[INFO] updating cached repository yodang/irs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/yodang/irs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/yodang/irs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/yodang/irs"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/yodang/irs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/yodang/irs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yodang/irs"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yodang/irs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6a3d624d3fb1a4ed3db559970d368c23f2c7da1b [INFO] sha for GitHub repo yodang/irs: 6a3d624d3fb1a4ed3db559970d368c23f2c7da1b [INFO] validating manifest of yodang/irs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of yodang/irs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing yodang/irs [INFO] finished frobbing yodang/irs [INFO] frobbed toml for yodang/irs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/yodang/irs/Cargo.toml [INFO] started frobbing yodang/irs [INFO] finished frobbing yodang/irs [INFO] frobbed toml for yodang/irs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yodang/irs/Cargo.toml [INFO] crate yodang/irs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking yodang/irs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/yodang/irs:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 029f94e9a0203ad86762f40c7f82c703830aaef04a98e7314d0572c09e06d206 [INFO] running `"docker" "start" "-a" "029f94e9a0203ad86762f40c7f82c703830aaef04a98e7314d0572c09e06d206"` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking array-macro v1.0.2 [INFO] [stderr] Checking serde v1.0.55 [INFO] [stderr] Checking reexport-proc-macro v1.0.2 [INFO] [stderr] Checking enumset v0.3.3 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking maplit v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling ncurses v5.91.0 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking resolve v0.2.0 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.10 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Compiling enum-map-derive v0.2.5 [INFO] [stderr] Checking enum-map v0.2.29 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Checking cursive v0.8.1 [INFO] [stderr] Checking irs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::stdin` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::stdin; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Evented` [INFO] [stderr] --> src/ircstream.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use mio::{Evented, Ready, Poll, PollOpt, Token}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tx` [INFO] [stderr] --> src/main.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | fn input_cb(tx: &mpsc::Sender, ctx: &mut Cursive, input: &str, streams: &mut Vec>>) [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_tx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rx` [INFO] [stderr] --> src/main.rs:111:14 [INFO] [stderr] | [INFO] [stderr] 111 | let (tx, rx)=std::sync::mpsc::channel(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rx` [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{Read, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Evented` [INFO] [stderr] --> src/ircstream.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use mio::{Evented, Ready, Poll, PollOpt, Token}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tx` [INFO] [stderr] --> src/main.rs:83:13 [INFO] [stderr] | [INFO] [stderr] 83 | fn input_cb(tx: &mpsc::Sender, ctx: &mut Cursive, input: &str, streams: &mut Vec>>) [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_tx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rx` [INFO] [stderr] --> src/main.rs:111:14 [INFO] [stderr] | [INFO] [stderr] 111 | let (tx, rx)=std::sync::mpsc::channel(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rx` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | ctx.find_id::("text").unwrap().get_tx().send(input.to_owned()); [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/main.rs:100:17 [INFO] [stderr] | [INFO] [stderr] 100 | streams[0].lock().unwrap().write_all(&format!("{}\r\n", input).into_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `LISTENER` should have a snake case name [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let LISTENER=Token::from(1); [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `listener` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | poller.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/main.rs:163:29 [INFO] [stderr] | [INFO] [stderr] 163 | tx.send(format!("Received: {:?}", IrcFrame::from_str(&line))); [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/main.rs:169:33 [INFO] [stderr] | [INFO] [stderr] 169 | tx.send(format!("Send: {}", pong)); [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/main.rs:170:33 [INFO] [stderr] | [INFO] [stderr] 170 | stream.write_all(&pong.into_bytes()); [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/main.rs:177:25 [INFO] [stderr] | [INFO] [stderr] 177 | tx.send(format!("Send: {}", nick)); [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/main.rs:178:25 [INFO] [stderr] | [INFO] [stderr] 178 | stream.write_all(&nick.into_bytes()); [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/main.rs:180:25 [INFO] [stderr] | [INFO] [stderr] 180 | tx.send(format!("Send: {}", user)); [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/main.rs:181:25 [INFO] [stderr] | [INFO] [stderr] 181 | stream.write_all(&user.into_bytes()); [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/main.rs:97:13 [INFO] [stderr] | [INFO] [stderr] 97 | ctx.find_id::("text").unwrap().get_tx().send(input.to_owned()); [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/main.rs:100:17 [INFO] [stderr] | [INFO] [stderr] 100 | streams[0].lock().unwrap().write_all(&format!("{}\r\n", input).into_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `LISTENER` should have a snake case name [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let LISTENER=Token::from(1); [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `listener` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | poller.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/main.rs:163:29 [INFO] [stderr] | [INFO] [stderr] 163 | tx.send(format!("Received: {:?}", IrcFrame::from_str(&line))); [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/main.rs:169:33 [INFO] [stderr] | [INFO] [stderr] 169 | tx.send(format!("Send: {}", pong)); [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/main.rs:170:33 [INFO] [stderr] | [INFO] [stderr] 170 | stream.write_all(&pong.into_bytes()); [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/main.rs:177:25 [INFO] [stderr] | [INFO] [stderr] 177 | tx.send(format!("Send: {}", nick)); [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/main.rs:178:25 [INFO] [stderr] | [INFO] [stderr] 178 | stream.write_all(&nick.into_bytes()); [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/main.rs:180:25 [INFO] [stderr] | [INFO] [stderr] 180 | tx.send(format!("Send: {}", user)); [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/main.rs:181:25 [INFO] [stderr] | [INFO] [stderr] 181 | stream.write_all(&user.into_bytes()); [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 37.83s [INFO] running `"docker" "inspect" "029f94e9a0203ad86762f40c7f82c703830aaef04a98e7314d0572c09e06d206"` [INFO] running `"docker" "rm" "-f" "029f94e9a0203ad86762f40c7f82c703830aaef04a98e7314d0572c09e06d206"` [INFO] [stdout] 029f94e9a0203ad86762f40c7f82c703830aaef04a98e7314d0572c09e06d206