Nov 04 14:26:10.371 INFO checking CGQAQ/Rust_Learn against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655 Nov 04 14:26:10.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 04 14:26:10.938 INFO blam! c253bda9600cef507baa7ed93677751747665a0f3bd316317a6359451a7e3fd4 Nov 04 14:26:10.955 INFO running `"docker" "start" "-a" "c253bda9600cef507baa7ed93677751747665a0f3bd316317a6359451a7e3fd4"` Nov 04 14:26:12.111 INFO kablam! usermod: no changes Nov 04 14:26:12.197 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently Nov 04 14:26:12.197 INFO kablam! disables Cargo from automatically inferring other binary targets. Nov 04 14:26:12.197 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following Nov 04 14:26:12.197 INFO kablam! files will be included as a binary target: Nov 04 14:26:12.197 INFO kablam! Nov 04 14:26:12.197 INFO kablam! * /source/src/main.rs Nov 04 14:26:12.197 INFO kablam! Nov 04 14:26:12.197 INFO kablam! This is likely to break cargo build or cargo test as these files may not be Nov 04 14:26:12.197 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself Nov 04 14:26:12.197 INFO kablam! and disable this warning by adding `autobins = false` to your [package] Nov 04 14:26:12.197 INFO kablam! section. You may also move the files to a location where Cargo would not Nov 04 14:26:12.197 INFO kablam! automatically infer them to be a target, such as in subfolders. Nov 04 14:26:12.197 INFO kablam! Nov 04 14:26:12.197 INFO kablam! For more information on this warning you can consult Nov 04 14:26:12.197 INFO kablam! https://github.com/rust-lang/cargo/issues/5330 Nov 04 14:26:12.197 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `main`, Nov 04 14:26:12.197 INFO kablam! please set bin.path in Cargo.toml Nov 04 14:26:12.227 INFO kablam! Checking learn v0.1.0 (/source) Nov 04 14:26:14.107 INFO kablam! warning: variable does not need to be mutable Nov 04 14:26:14.107 INFO kablam! --> src/bin/mthread.rs:11:9 Nov 04 14:26:14.108 INFO kablam! | Nov 04 14:26:14.108 INFO kablam! 11 | let mut ptr = Arc::new(Mutex::new("hello world!".chars())); Nov 04 14:26:14.108 INFO kablam! | ----^^^ Nov 04 14:26:14.108 INFO kablam! | | Nov 04 14:26:14.108 INFO kablam! | help: remove this `mut` Nov 04 14:26:14.127 INFO kablam! | Nov 04 14:26:14.127 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 04 14:26:14.127 INFO kablam! Nov 04 14:26:14.127 INFO kablam! warning: variable does not need to be mutable Nov 04 14:26:14.127 INFO kablam! --> src/bin/mthread.rs:27:13 Nov 04 14:26:14.128 INFO kablam! | Nov 04 14:26:14.128 INFO kablam! 27 | let mut ptr = ptr.clone(); Nov 04 14:26:14.128 INFO kablam! | ----^^^ Nov 04 14:26:14.128 INFO kablam! | | Nov 04 14:26:14.128 INFO kablam! | help: remove this `mut` Nov 04 14:26:14.128 INFO kablam! Nov 04 14:26:14.128 INFO kablam! warning: variable does not need to be mutable Nov 04 14:26:14.128 INFO kablam! --> src/bin/mthread.rs:29:13 Nov 04 14:26:14.128 INFO kablam! | Nov 04 14:26:14.128 INFO kablam! 29 | let mut tx = tx.clone(); Nov 04 14:26:14.128 INFO kablam! | ----^^ Nov 04 14:26:14.128 INFO kablam! | | Nov 04 14:26:14.128 INFO kablam! | help: remove this `mut` Nov 04 14:26:14.128 INFO kablam! Nov 04 14:26:14.128 INFO kablam! warning: unused `std::result::Result` that must be used Nov 04 14:26:14.128 INFO kablam! --> src/bin/mthread.rs:20:21 Nov 04 14:26:14.128 INFO kablam! | Nov 04 14:26:14.128 INFO kablam! 20 | a.send(1); Nov 04 14:26:14.128 INFO kablam! | ^^^^^^^^^^ Nov 04 14:26:14.128 INFO kablam! | Nov 04 14:26:14.128 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 04 14:26:14.128 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 04 14:26:14.129 INFO kablam! Nov 04 14:26:14.129 INFO kablam! warning: unused `std::result::Result` that must be used Nov 04 14:26:14.129 INFO kablam! --> src/bin/mthread.rs:34:17 Nov 04 14:26:14.129 INFO kablam! | Nov 04 14:26:14.129 INFO kablam! 34 | tx.send(d); Nov 04 14:26:14.129 INFO kablam! | ^^^^^^^^^^^ Nov 04 14:26:14.129 INFO kablam! | Nov 04 14:26:14.129 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 04 14:26:14.129 INFO kablam! Nov 04 14:26:14.563 INFO kablam! warning: variable does not need to be mutable Nov 04 14:26:14.563 INFO kablam! --> src/bin/mthread.rs:11:9 Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! 11 | let mut ptr = Arc::new(Mutex::new("hello world!".chars())); Nov 04 14:26:14.563 INFO kablam! | ----^^^ Nov 04 14:26:14.563 INFO kablam! | | Nov 04 14:26:14.563 INFO kablam! | help: remove this `mut` Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 04 14:26:14.563 INFO kablam! Nov 04 14:26:14.563 INFO kablam! warning: variable does not need to be mutable Nov 04 14:26:14.563 INFO kablam! --> src/bin/mthread.rs:27:13 Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! 27 | let mut ptr = ptr.clone(); Nov 04 14:26:14.563 INFO kablam! | ----^^^ Nov 04 14:26:14.563 INFO kablam! | | Nov 04 14:26:14.563 INFO kablam! | help: remove this `mut` Nov 04 14:26:14.563 INFO kablam! Nov 04 14:26:14.563 INFO kablam! warning: variable does not need to be mutable Nov 04 14:26:14.563 INFO kablam! --> src/bin/mthread.rs:29:13 Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! 29 | let mut tx = tx.clone(); Nov 04 14:26:14.563 INFO kablam! | ----^^ Nov 04 14:26:14.563 INFO kablam! | | Nov 04 14:26:14.563 INFO kablam! | help: remove this `mut` Nov 04 14:26:14.563 INFO kablam! Nov 04 14:26:14.563 INFO kablam! warning: unused `std::result::Result` that must be used Nov 04 14:26:14.563 INFO kablam! --> src/bin/mthread.rs:20:21 Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! 20 | a.send(1); Nov 04 14:26:14.563 INFO kablam! | ^^^^^^^^^^ Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 04 14:26:14.563 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 04 14:26:14.563 INFO kablam! Nov 04 14:26:14.563 INFO kablam! warning: unused `std::result::Result` that must be used Nov 04 14:26:14.563 INFO kablam! --> src/bin/mthread.rs:34:17 Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! 34 | tx.send(d); Nov 04 14:26:14.563 INFO kablam! | ^^^^^^^^^^^ Nov 04 14:26:14.563 INFO kablam! | Nov 04 14:26:14.563 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 04 14:26:14.563 INFO kablam! Nov 04 14:26:14.603 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.47s Nov 04 14:26:14.619 INFO kablam! su: No module specific data is present Nov 04 14:26:15.847 INFO running `"docker" "rm" "-f" "c253bda9600cef507baa7ed93677751747665a0f3bd316317a6359451a7e3fd4"` Nov 04 14:26:16.199 INFO blam! c253bda9600cef507baa7ed93677751747665a0f3bd316317a6359451a7e3fd4