Nov 02 22:25:04.546 INFO checking CGQAQ/Rust_Learn against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517 Nov 02 22:25:04.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 22:25:04.976 INFO blam! 278fbf834d61fabc80760ef5b8170c8eb632653f88b0baa8a304d3a1c319d9ac Nov 02 22:25:04.981 INFO running `"docker" "start" "-a" "278fbf834d61fabc80760ef5b8170c8eb632653f88b0baa8a304d3a1c319d9ac"` Nov 02 22:25:06.233 INFO kablam! usermod: no changes Nov 02 22:25:06.324 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently Nov 02 22:25:06.324 INFO kablam! disables Cargo from automatically inferring other binary targets. Nov 02 22:25:06.324 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following Nov 02 22:25:06.324 INFO kablam! files will be included as a binary target: Nov 02 22:25:06.324 INFO kablam! Nov 02 22:25:06.324 INFO kablam! * /source/src/main.rs Nov 02 22:25:06.324 INFO kablam! Nov 02 22:25:06.324 INFO kablam! This is likely to break cargo build or cargo test as these files may not be Nov 02 22:25:06.324 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself Nov 02 22:25:06.324 INFO kablam! and disable this warning by adding `autobins = false` to your [package] Nov 02 22:25:06.324 INFO kablam! section. You may also move the files to a location where Cargo would not Nov 02 22:25:06.324 INFO kablam! automatically infer them to be a target, such as in subfolders. Nov 02 22:25:06.324 INFO kablam! Nov 02 22:25:06.324 INFO kablam! For more information on this warning you can consult Nov 02 22:25:06.324 INFO kablam! https://github.com/rust-lang/cargo/issues/5330 Nov 02 22:25:06.324 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `main`, Nov 02 22:25:06.324 INFO kablam! please set bin.path in Cargo.toml Nov 02 22:25:06.331 INFO kablam! Checking learn v0.1.0 (/source) Nov 02 22:25:08.112 INFO kablam! warning: variable does not need to be mutable Nov 02 22:25:08.112 INFO kablam! --> src/bin/mthread.rs:11:9 Nov 02 22:25:08.112 INFO kablam! | Nov 02 22:25:08.112 INFO kablam! 11 | let mut ptr = Arc::new(Mutex::new("hello world!".chars())); Nov 02 22:25:08.112 INFO kablam! | ----^^^ Nov 02 22:25:08.112 INFO kablam! | | Nov 02 22:25:08.112 INFO kablam! | help: remove this `mut` Nov 02 22:25:08.120 INFO kablam! | Nov 02 22:25:08.120 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 02 22:25:08.120 INFO kablam! Nov 02 22:25:08.120 INFO kablam! warning: variable does not need to be mutable Nov 02 22:25:08.120 INFO kablam! --> src/bin/mthread.rs:27:13 Nov 02 22:25:08.120 INFO kablam! | Nov 02 22:25:08.120 INFO kablam! 27 | let mut ptr = ptr.clone(); Nov 02 22:25:08.120 INFO kablam! | ----^^^ Nov 02 22:25:08.120 INFO kablam! | | Nov 02 22:25:08.120 INFO kablam! | help: remove this `mut` Nov 02 22:25:08.120 INFO kablam! Nov 02 22:25:08.120 INFO kablam! warning: variable does not need to be mutable Nov 02 22:25:08.120 INFO kablam! --> src/bin/mthread.rs:29:13 Nov 02 22:25:08.120 INFO kablam! | Nov 02 22:25:08.120 INFO kablam! 29 | let mut tx = tx.clone(); Nov 02 22:25:08.120 INFO kablam! | ----^^ Nov 02 22:25:08.121 INFO kablam! | | Nov 02 22:25:08.121 INFO kablam! | help: remove this `mut` Nov 02 22:25:08.121 INFO kablam! Nov 02 22:25:08.121 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 22:25:08.121 INFO kablam! --> src/bin/mthread.rs:20:21 Nov 02 22:25:08.121 INFO kablam! | Nov 02 22:25:08.121 INFO kablam! 20 | a.send(1); Nov 02 22:25:08.121 INFO kablam! | ^^^^^^^^^^ Nov 02 22:25:08.121 INFO kablam! | Nov 02 22:25:08.121 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 02 22:25:08.121 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 22:25:08.121 INFO kablam! Nov 02 22:25:08.121 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 22:25:08.121 INFO kablam! --> src/bin/mthread.rs:34:17 Nov 02 22:25:08.121 INFO kablam! | Nov 02 22:25:08.121 INFO kablam! 34 | tx.send(d); Nov 02 22:25:08.121 INFO kablam! | ^^^^^^^^^^^ Nov 02 22:25:08.121 INFO kablam! | Nov 02 22:25:08.121 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 22:25:08.121 INFO kablam! Nov 02 22:25:08.807 INFO kablam! warning: variable does not need to be mutable Nov 02 22:25:08.807 INFO kablam! --> src/bin/mthread.rs:11:9 Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! 11 | let mut ptr = Arc::new(Mutex::new("hello world!".chars())); Nov 02 22:25:08.807 INFO kablam! | ----^^^ Nov 02 22:25:08.807 INFO kablam! | | Nov 02 22:25:08.807 INFO kablam! | help: remove this `mut` Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 02 22:25:08.807 INFO kablam! Nov 02 22:25:08.807 INFO kablam! warning: variable does not need to be mutable Nov 02 22:25:08.807 INFO kablam! --> src/bin/mthread.rs:27:13 Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! 27 | let mut ptr = ptr.clone(); Nov 02 22:25:08.807 INFO kablam! | ----^^^ Nov 02 22:25:08.807 INFO kablam! | | Nov 02 22:25:08.807 INFO kablam! | help: remove this `mut` Nov 02 22:25:08.807 INFO kablam! Nov 02 22:25:08.807 INFO kablam! warning: variable does not need to be mutable Nov 02 22:25:08.807 INFO kablam! --> src/bin/mthread.rs:29:13 Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! 29 | let mut tx = tx.clone(); Nov 02 22:25:08.807 INFO kablam! | ----^^ Nov 02 22:25:08.807 INFO kablam! | | Nov 02 22:25:08.807 INFO kablam! | help: remove this `mut` Nov 02 22:25:08.807 INFO kablam! Nov 02 22:25:08.807 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 22:25:08.807 INFO kablam! --> src/bin/mthread.rs:20:21 Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! 20 | a.send(1); Nov 02 22:25:08.807 INFO kablam! | ^^^^^^^^^^ Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 02 22:25:08.807 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 22:25:08.807 INFO kablam! Nov 02 22:25:08.807 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 22:25:08.807 INFO kablam! --> src/bin/mthread.rs:34:17 Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! 34 | tx.send(d); Nov 02 22:25:08.807 INFO kablam! | ^^^^^^^^^^^ Nov 02 22:25:08.807 INFO kablam! | Nov 02 22:25:08.807 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 22:25:08.807 INFO kablam! Nov 02 22:25:08.840 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.57s Nov 02 22:25:08.864 INFO kablam! su: No module specific data is present Nov 02 22:25:09.673 INFO running `"docker" "rm" "-f" "278fbf834d61fabc80760ef5b8170c8eb632653f88b0baa8a304d3a1c319d9ac"` Nov 02 22:25:09.916 INFO blam! 278fbf834d61fabc80760ef5b8170c8eb632653f88b0baa8a304d3a1c319d9ac