Nov 29 18:17:19.034 INFO checking shoul/rust_tutorial against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:17:19.034 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 18:17:19.494 INFO [stdout] b2eb1acaf45cb1b1ba6caa33035d4af6620378f1a045ac34878ac4af362a078c
Nov 29 18:17:19.496 INFO running `"docker" "start" "-a" "b2eb1acaf45cb1b1ba6caa33035d4af6620378f1a045ac34878ac4af362a078c"`
Nov 29 18:17:21.748 INFO [stderr] usermod: no changes
Nov 29 18:17:21.812 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Nov 29 18:17:21.812 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Nov 29 18:17:21.812 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 29 18:17:21.812 INFO [stderr] files will be included as a binary target:
Nov 29 18:17:21.812 INFO [stderr] 
Nov 29 18:17:21.812 INFO [stderr] * /source/src/main.rs
Nov 29 18:17:21.812 INFO [stderr] 
Nov 29 18:17:21.812 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 29 18:17:21.812 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Nov 29 18:17:21.812 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Nov 29 18:17:21.812 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 29 18:17:21.812 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 29 18:17:21.812 INFO [stderr] 
Nov 29 18:17:21.812 INFO [stderr] For more information on this warning you can consult
Nov 29 18:17:21.812 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 29 18:17:21.820 INFO [stderr]     Checking rust_tutorial v0.1.0 (/source)
Nov 29 18:17:23.452 INFO [stderr] warning: unused variable: `v2`
Nov 29 18:17:23.453 INFO [stderr]   --> src/ownership.rs:37:9
Nov 29 18:17:23.453 INFO [stderr]    |
Nov 29 18:17:23.453 INFO [stderr] 37 |     let v2 = v;
Nov 29 18:17:23.453 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Nov 29 18:17:23.453 INFO [stderr]    |
Nov 29 18:17:23.460 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:17:23.460 INFO [stderr] 
Nov 29 18:17:23.495 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:17:23.495 INFO [stderr]   --> src/ownership.rs:60:9
Nov 29 18:17:23.495 INFO [stderr]    |
Nov 29 18:17:23.495 INFO [stderr] 60 |     let mut b = a;
Nov 29 18:17:23.495 INFO [stderr]    |         ----^
Nov 29 18:17:23.495 INFO [stderr]    |         |
Nov 29 18:17:23.495 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:17:23.495 INFO [stderr]    |
Nov 29 18:17:23.516 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:17:23.516 INFO [stderr] warning: unused variable: `v2`
Nov 29 18:17:23.516 INFO [stderr]   --> src/ownership.rs:37:9
Nov 29 18:17:23.516 INFO [stderr]    |
Nov 29 18:17:23.516 INFO [stderr] 37 |     let v2 = v;
Nov 29 18:17:23.516 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Nov 29 18:17:23.517 INFO [stderr]    |
Nov 29 18:17:23.517 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:17:23.517 INFO [stderr] 
Nov 29 18:17:23.517 INFO [stderr] 
Nov 29 18:17:23.532 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:17:23.532 INFO [stderr]   --> src/ownership.rs:60:9
Nov 29 18:17:23.532 INFO [stderr]    |
Nov 29 18:17:23.532 INFO [stderr] 60 |     let mut b = a;
Nov 29 18:17:23.532 INFO [stderr]    |         ----^
Nov 29 18:17:23.532 INFO [stderr]    |         |
Nov 29 18:17:23.532 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:17:23.533 INFO [stderr]    |
Nov 29 18:17:23.533 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:17:23.533 INFO [stderr] 
Nov 29 18:17:23.796 INFO [stderr] warning: unused variable: `j`
Nov 29 18:17:23.796 INFO [stderr]   --> src/vectors.rs:34:6
Nov 29 18:17:23.796 INFO [stderr]    |
Nov 29 18:17:23.796 INFO [stderr] 34 |     let j: i32 = 0;
Nov 29 18:17:23.796 INFO [stderr]    |         ^ help: consider using `_j` instead
Nov 29 18:17:23.796 INFO [stderr]    |
Nov 29 18:17:23.796 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:17:23.796 INFO [stderr] 
Nov 29 18:17:24.084 INFO [stderr] warning: unused variable: `j`
Nov 29 18:17:24.084 INFO [stderr]   --> src/vectors.rs:34:6
Nov 29 18:17:24.084 INFO [stderr]    |
Nov 29 18:17:24.084 INFO [stderr] 34 |     let j: i32 = 0;
Nov 29 18:17:24.084 INFO [stderr]    |         ^ help: consider using `_j` instead
Nov 29 18:17:24.084 INFO [stderr]    |
Nov 29 18:17:24.084 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:17:24.084 INFO [stderr] 
Nov 29 18:17:24.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
Nov 29 18:17:24.240 INFO [stderr] su: No module specific data is present
Nov 29 18:17:25.512 INFO running `"docker" "inspect" "b2eb1acaf45cb1b1ba6caa33035d4af6620378f1a045ac34878ac4af362a078c"`
Nov 29 18:17:25.860 INFO running `"docker" "rm" "-f" "b2eb1acaf45cb1b1ba6caa33035d4af6620378f1a045ac34878ac4af362a078c"`
Nov 29 18:17:26.236 INFO [stdout] b2eb1acaf45cb1b1ba6caa33035d4af6620378f1a045ac34878ac4af362a078c