Oct 31 21:12:38.894 INFO checking shoul/rust_tutorial against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 21:12:38.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 21:12:39.370 INFO blam! bc86ddba03ded85fb9eb56a8fa9d4c5de1ff44b0c1ec3f16479a8878c66a338a
Oct 31 21:12:39.372 INFO running `"docker" "start" "-a" "bc86ddba03ded85fb9eb56a8fa9d4c5de1ff44b0c1ec3f16479a8878c66a338a"`
Oct 31 21:12:40.813 INFO kablam! usermod: no changes
Oct 31 21:12:40.892 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Oct 31 21:12:40.892 INFO kablam! disables Cargo from automatically inferring other binary targets.
Oct 31 21:12:40.892 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Oct 31 21:12:40.892 INFO kablam! files will be included as a binary target:
Oct 31 21:12:40.892 INFO kablam! 
Oct 31 21:12:40.892 INFO kablam! * /source/src/main.rs
Oct 31 21:12:40.892 INFO kablam! 
Oct 31 21:12:40.892 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Oct 31 21:12:40.892 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Oct 31 21:12:40.892 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Oct 31 21:12:40.892 INFO kablam! section. You may also move the files to a location where Cargo would not
Oct 31 21:12:40.892 INFO kablam! automatically infer them to be a target, such as in subfolders.
Oct 31 21:12:40.892 INFO kablam! 
Oct 31 21:12:40.892 INFO kablam! For more information on this warning you can consult
Oct 31 21:12:40.892 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Oct 31 21:12:40.912 INFO kablam!     Checking rust_tutorial v0.1.0 (/source)
Oct 31 21:12:42.564 INFO kablam! warning: unused variable: `j`
Oct 31 21:12:42.565 INFO kablam!   --> src/vectors.rs:34:6
Oct 31 21:12:42.566 INFO kablam!    |
Oct 31 21:12:42.567 INFO kablam! 34 |     let j: i32 = 0;
Oct 31 21:12:42.567 INFO kablam!    |         ^ help: consider using `_j` instead
Oct 31 21:12:42.568 INFO kablam!    |
Oct 31 21:12:42.569 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:12:42.569 INFO kablam! 
Oct 31 21:12:42.597 INFO kablam! warning: unused variable: `v2`
Oct 31 21:12:42.597 INFO kablam!   --> src/ownership.rs:37:9
Oct 31 21:12:42.598 INFO kablam!    |
Oct 31 21:12:42.599 INFO kablam! 37 |     let v2 = v;
Oct 31 21:12:42.599 INFO kablam!    |         ^^ help: consider using `_v2` instead
Oct 31 21:12:42.600 INFO kablam!    |
Oct 31 21:12:42.600 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:12:42.600 INFO kablam! 
Oct 31 21:12:42.636 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:12:42.637 INFO kablam!   --> src/ownership.rs:60:9
Oct 31 21:12:42.637 INFO kablam!    |
Oct 31 21:12:42.637 INFO kablam! 60 |     let mut b = a;
Oct 31 21:12:42.638 INFO kablam!    |         ----^
Oct 31 21:12:42.638 INFO kablam!    |         |
Oct 31 21:12:42.638 INFO kablam!    |         help: remove this `mut`
Oct 31 21:12:42.668 INFO kablam!    |
Oct 31 21:12:42.669 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 21:12:42.669 INFO kablam! 
Oct 31 21:12:42.954 INFO kablam! warning: unused variable: `j`
Oct 31 21:12:42.954 INFO kablam!   --> src/vectors.rs:34:6
Oct 31 21:12:42.954 INFO kablam!    |
Oct 31 21:12:42.954 INFO kablam! 34 |     let j: i32 = 0;
Oct 31 21:12:42.954 INFO kablam!    |         ^ help: consider using `_j` instead
Oct 31 21:12:42.954 INFO kablam!    |
Oct 31 21:12:42.954 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:12:42.954 INFO kablam! 
Oct 31 21:12:43.308 INFO kablam! warning: unused variable: `v2`
Oct 31 21:12:43.308 INFO kablam!   --> src/ownership.rs:37:9
Oct 31 21:12:43.308 INFO kablam!    |
Oct 31 21:12:43.308 INFO kablam! 37 |     let v2 = v;
Oct 31 21:12:43.308 INFO kablam!    |         ^^ help: consider using `_v2` instead
Oct 31 21:12:43.310 INFO kablam!    |
Oct 31 21:12:43.310 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:12:43.310 INFO kablam! 
Oct 31 21:12:43.332 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:12:43.332 INFO kablam!   --> src/ownership.rs:60:9
Oct 31 21:12:43.333 INFO kablam!    |
Oct 31 21:12:43.333 INFO kablam! 60 |     let mut b = a;
Oct 31 21:12:43.333 INFO kablam!    |         ----^
Oct 31 21:12:43.333 INFO kablam!    |         |
Oct 31 21:12:43.333 INFO kablam!    |         help: remove this `mut`
Oct 31 21:12:43.333 INFO kablam!    |
Oct 31 21:12:43.333 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 21:12:43.333 INFO kablam! 
Oct 31 21:12:43.532 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
Oct 31 21:12:43.549 INFO kablam! su: No module specific data is present
Oct 31 21:12:45.028 INFO running `"docker" "rm" "-f" "bc86ddba03ded85fb9eb56a8fa9d4c5de1ff44b0c1ec3f16479a8878c66a338a"`
Oct 31 21:12:45.296 INFO blam! bc86ddba03ded85fb9eb56a8fa9d4c5de1ff44b0c1ec3f16479a8878c66a338a