Oct 31 21:12:45.385 INFO checking shoul/rust_tutorial against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538 Oct 31 21:12:45.386 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"` Oct 31 21:12:45.874 INFO blam! 095ce7e85b02fa55c40f0669c36d83fdcae4df30f87dfce324b22d7fb1b68a31 Oct 31 21:12:45.875 INFO running `"docker" "start" "-a" "095ce7e85b02fa55c40f0669c36d83fdcae4df30f87dfce324b22d7fb1b68a31"` Oct 31 21:12:47.924 INFO kablam! usermod: no changes Oct 31 21:12:48.004 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently Oct 31 21:12:48.004 INFO kablam! disables Cargo from automatically inferring other binary targets. Oct 31 21:12:48.004 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following Oct 31 21:12:48.004 INFO kablam! files will be included as a binary target: Oct 31 21:12:48.004 INFO kablam! Oct 31 21:12:48.004 INFO kablam! * /source/src/main.rs Oct 31 21:12:48.004 INFO kablam! Oct 31 21:12:48.004 INFO kablam! This is likely to break cargo build or cargo test as these files may not be Oct 31 21:12:48.004 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself Oct 31 21:12:48.004 INFO kablam! and disable this warning by adding `autobins = false` to your [package] Oct 31 21:12:48.004 INFO kablam! section. You may also move the files to a location where Cargo would not Oct 31 21:12:48.004 INFO kablam! automatically infer them to be a target, such as in subfolders. Oct 31 21:12:48.004 INFO kablam! Oct 31 21:12:48.004 INFO kablam! For more information on this warning you can consult Oct 31 21:12:48.004 INFO kablam! https://github.com/rust-lang/cargo/issues/5330 Oct 31 21:12:48.024 INFO kablam! Checking rust_tutorial v0.1.0 (/source) Oct 31 21:12:49.502 INFO kablam! warning: unused variable: `v2` Oct 31 21:12:49.503 INFO kablam! --> src/ownership.rs:37:9 Oct 31 21:12:49.504 INFO kablam! | Oct 31 21:12:49.505 INFO kablam! 37 | let v2 = v; Oct 31 21:12:49.505 INFO kablam! | ^^ help: consider using `_v2` instead Oct 31 21:12:49.506 INFO kablam! | Oct 31 21:12:49.506 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 31 21:12:49.507 INFO kablam! Oct 31 21:12:49.512 INFO kablam! warning: unused variable: `v2` Oct 31 21:12:49.512 INFO kablam! --> src/ownership.rs:37:9 Oct 31 21:12:49.512 INFO kablam! | Oct 31 21:12:49.512 INFO kablam! 37 | let v2 = v; Oct 31 21:12:49.512 INFO kablam! | ^^ help: consider using `_v2` instead Oct 31 21:12:49.513 INFO kablam! | Oct 31 21:12:49.513 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 31 21:12:49.513 INFO kablam! Oct 31 21:12:49.532 INFO kablam! warning: variable does not need to be mutable Oct 31 21:12:49.532 INFO kablam! --> src/ownership.rs:60:9 Oct 31 21:12:49.532 INFO kablam! | Oct 31 21:12:49.532 INFO kablam! 60 | let mut b = a; Oct 31 21:12:49.532 INFO kablam! | ----^ Oct 31 21:12:49.540 INFO kablam! | | Oct 31 21:12:49.540 INFO kablam! | help: remove this `mut` Oct 31 21:12:49.540 INFO kablam! | Oct 31 21:12:49.540 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 31 21:12:49.540 INFO kablam! Oct 31 21:12:49.542 INFO kablam! warning: variable does not need to be mutable Oct 31 21:12:49.542 INFO kablam! --> src/ownership.rs:60:9 Oct 31 21:12:49.542 INFO kablam! | Oct 31 21:12:49.542 INFO kablam! 60 | let mut b = a; Oct 31 21:12:49.552 INFO kablam! | ----^ Oct 31 21:12:49.552 INFO kablam! | | Oct 31 21:12:49.552 INFO kablam! | help: remove this `mut` Oct 31 21:12:49.552 INFO kablam! | Oct 31 21:12:49.553 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 31 21:12:49.553 INFO kablam! Oct 31 21:12:49.884 INFO kablam! warning: unused variable: `j` Oct 31 21:12:49.885 INFO kablam! --> src/vectors.rs:34:6 Oct 31 21:12:49.886 INFO kablam! | Oct 31 21:12:49.886 INFO kablam! 34 | let j: i32 = 0; Oct 31 21:12:49.887 INFO kablam! | ^ help: consider using `_j` instead Oct 31 21:12:49.887 INFO kablam! | Oct 31 21:12:49.888 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 31 21:12:49.888 INFO kablam! Oct 31 21:12:50.316 INFO kablam! warning: unused variable: `j` Oct 31 21:12:50.317 INFO kablam! --> src/vectors.rs:34:6 Oct 31 21:12:50.317 INFO kablam! | Oct 31 21:12:50.317 INFO kablam! 34 | let j: i32 = 0; Oct 31 21:12:50.317 INFO kablam! | ^ help: consider using `_j` instead Oct 31 21:12:50.317 INFO kablam! | Oct 31 21:12:50.317 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 31 21:12:50.317 INFO kablam! Oct 31 21:12:50.368 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.41s Oct 31 21:12:50.379 INFO kablam! su: No module specific data is present Oct 31 21:12:52.026 INFO running `"docker" "rm" "-f" "095ce7e85b02fa55c40f0669c36d83fdcae4df30f87dfce324b22d7fb1b68a31"` Oct 31 21:12:52.432 INFO blam! 095ce7e85b02fa55c40f0669c36d83fdcae4df30f87dfce324b22d7fb1b68a31