Dec 11 09:35:28.646 INFO checking shoul/rust_tutorial against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:35:28.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 09:35:29.134 INFO [stdout] 8e4a84eae7c86a60c393ca8ab1c31c39b6bea8767961d0cfd00468b095b17533
Dec 11 09:35:29.138 INFO running `"docker" "start" "-a" "8e4a84eae7c86a60c393ca8ab1c31c39b6bea8767961d0cfd00468b095b17533"`
Dec 11 09:35:30.768 INFO [stderr] usermod: no changes
Dec 11 09:35:30.808 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 11 09:35:30.808 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 11 09:35:30.808 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 11 09:35:30.808 INFO [stderr] files will be included as a binary target:
Dec 11 09:35:30.808 INFO [stderr] 
Dec 11 09:35:30.808 INFO [stderr] * /source/src/main.rs
Dec 11 09:35:30.808 INFO [stderr] 
Dec 11 09:35:30.808 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 11 09:35:30.808 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 11 09:35:30.808 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 11 09:35:30.808 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 11 09:35:30.808 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 11 09:35:30.808 INFO [stderr] 
Dec 11 09:35:30.808 INFO [stderr] For more information on this warning you can consult
Dec 11 09:35:30.808 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 11 09:35:30.808 INFO [stderr]     Checking rust_tutorial v0.1.0 (/source)
Dec 11 09:35:32.205 INFO [stderr] warning: unused variable: `j`
Dec 11 09:35:32.205 INFO [stderr]   --> src/vectors.rs:34:6
Dec 11 09:35:32.205 INFO [stderr]    |
Dec 11 09:35:32.205 INFO [stderr] 34 |     let j: i32 = 0;
Dec 11 09:35:32.205 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 11 09:35:32.205 INFO [stderr]    |
Dec 11 09:35:32.205 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 09:35:32.205 INFO [stderr] 
Dec 11 09:35:32.308 INFO [stderr] warning: unused variable: `v2`
Dec 11 09:35:32.308 INFO [stderr]   --> src/ownership.rs:37:9
Dec 11 09:35:32.308 INFO [stderr]    |
Dec 11 09:35:32.308 INFO [stderr] 37 |     let v2 = v;
Dec 11 09:35:32.308 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 11 09:35:32.336 INFO [stderr]    |
Dec 11 09:35:32.336 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 09:35:32.336 INFO [stderr] 
Dec 11 09:35:32.370 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:35:32.370 INFO [stderr]   --> src/ownership.rs:60:9
Dec 11 09:35:32.370 INFO [stderr]    |
Dec 11 09:35:32.370 INFO [stderr] 60 |     let mut b = a;
Dec 11 09:35:32.370 INFO [stderr]    |         ----^
Dec 11 09:35:32.370 INFO [stderr]    |         |
Dec 11 09:35:32.370 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:35:32.384 INFO [stderr]    |
Dec 11 09:35:32.384 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 09:35:32.384 INFO [stderr] 
Dec 11 09:35:32.636 INFO [stderr] warning: unused variable: `j`
Dec 11 09:35:32.636 INFO [stderr]   --> src/vectors.rs:34:6
Dec 11 09:35:32.636 INFO [stderr]    |
Dec 11 09:35:32.636 INFO [stderr] 34 |     let j: i32 = 0;
Dec 11 09:35:32.636 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 11 09:35:32.636 INFO [stderr]    |
Dec 11 09:35:32.636 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 09:35:32.636 INFO [stderr] 
Dec 11 09:35:32.964 INFO [stderr] warning: unused variable: `v2`
Dec 11 09:35:32.964 INFO [stderr]   --> src/ownership.rs:37:9
Dec 11 09:35:32.964 INFO [stderr]    |
Dec 11 09:35:32.964 INFO [stderr] 37 |     let v2 = v;
Dec 11 09:35:32.964 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 11 09:35:32.964 INFO [stderr]    |
Dec 11 09:35:32.964 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 09:35:32.964 INFO [stderr] 
Dec 11 09:35:32.976 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:35:32.976 INFO [stderr]   --> src/ownership.rs:60:9
Dec 11 09:35:32.976 INFO [stderr]    |
Dec 11 09:35:32.976 INFO [stderr] 60 |     let mut b = a;
Dec 11 09:35:32.976 INFO [stderr]    |         ----^
Dec 11 09:35:32.976 INFO [stderr]    |         |
Dec 11 09:35:32.976 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:35:32.976 INFO [stderr]    |
Dec 11 09:35:32.976 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 09:35:32.976 INFO [stderr] 
Dec 11 09:35:33.011 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
Dec 11 09:35:33.024 INFO [stderr] su: No module specific data is present
Dec 11 09:35:33.866 INFO running `"docker" "inspect" "8e4a84eae7c86a60c393ca8ab1c31c39b6bea8767961d0cfd00468b095b17533"`
Dec 11 09:35:34.166 INFO running `"docker" "rm" "-f" "8e4a84eae7c86a60c393ca8ab1c31c39b6bea8767961d0cfd00468b095b17533"`
Dec 11 09:35:34.493 INFO [stdout] 8e4a84eae7c86a60c393ca8ab1c31c39b6bea8767961d0cfd00468b095b17533