Nov 01 18:06:48.009 INFO checking r4-1.0.1 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 18:06:48.011 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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"`
Nov 01 18:06:48.255 INFO blam! 432a4aacefcf4ce1e482660fad01e10c20fe5488dec20cfaf40aff7692b67ea4
Nov 01 18:06:48.262 INFO running `"docker" "start" "-a" "432a4aacefcf4ce1e482660fad01e10c20fe5488dec20cfaf40aff7692b67ea4"`
Nov 01 18:06:48.774 INFO kablam! usermod: no changes
Nov 01 18:06:48.805 INFO kablam!     Checking r4 v1.0.1 (/source)
Nov 01 18:06:49.876 INFO kablam! warning: unused variable: `i`
Nov 01 18:06:49.876 INFO kablam!    --> src/lib.rs:407:34
Nov 01 18:06:49.876 INFO kablam!     |
Nov 01 18:06:49.876 INFO kablam! 407 |                     iterate![for i in 0..4;
Nov 01 18:06:49.876 INFO kablam!     |                                  ^ help: consider using `_i` instead
Nov 01 18:06:49.876 INFO kablam!     |
Nov 01 18:06:49.876 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 18:06:49.876 INFO kablam! 
Nov 01 18:06:49.876 INFO kablam! warning: unused variable: `x`
Nov 01 18:06:49.877 INFO kablam!    --> src/lib.rs:433:34
Nov 01 18:06:49.877 INFO kablam!     |
Nov 01 18:06:49.877 INFO kablam! 433 |                     iterate![for x in vs.iter();
Nov 01 18:06:49.877 INFO kablam!     |                                  ^ help: consider using `_x` instead
Nov 01 18:06:49.877 INFO kablam! 
Nov 01 18:06:49.877 INFO kablam! warning: unused variable: `x`
Nov 01 18:06:49.877 INFO kablam!    --> src/lib.rs:443:34
Nov 01 18:06:49.877 INFO kablam!     |
Nov 01 18:06:49.877 INFO kablam! 443 |                     iterate![for x in vs.iter();
Nov 01 18:06:49.877 INFO kablam!     |                                  ^ help: consider using `_x` instead
Nov 01 18:06:49.877 INFO kablam! 
Nov 01 18:06:49.877 INFO kablam! warning: unused variable: `a`
Nov 01 18:06:49.877 INFO kablam!    --> src/lib.rs:474:34
Nov 01 18:06:49.877 INFO kablam!     |
Nov 01 18:06:49.877 INFO kablam! 474 |                              let a = *x + 3;
Nov 01 18:06:49.877 INFO kablam!     |                                  ^ help: consider using `_a` instead
Nov 01 18:06:49.877 INFO kablam! 
Nov 01 18:06:49.877 INFO kablam! warning: unused variable: `a`
Nov 01 18:06:49.877 INFO kablam!    --> src/lib.rs:489:34
Nov 01 18:06:49.877 INFO kablam!     |
Nov 01 18:06:49.877 INFO kablam! 489 |                              let a = *x + 3;
Nov 01 18:06:49.877 INFO kablam!     |                                  ^ help: consider using `_a` instead
Nov 01 18:06:49.877 INFO kablam! 
Nov 01 18:06:49.877 INFO kablam! warning: unused variable: `y`
Nov 01 18:06:49.877 INFO kablam!    --> src/lib.rs:506:34
Nov 01 18:06:49.877 INFO kablam!     |
Nov 01 18:06:49.877 INFO kablam! 506 |                              for y in vs.iter();
Nov 01 18:06:49.877 INFO kablam!     |                                  ^ help: consider using `_y` instead
Nov 01 18:06:49.877 INFO kablam! 
Nov 01 18:06:49.877 INFO kablam! warning: unused variable: `x`
Nov 01 18:06:49.877 INFO kablam!    --> src/lib.rs:522:34
Nov 01 18:06:49.877 INFO kablam!     |
Nov 01 18:06:49.877 INFO kablam! 522 |                              let x = *x + 1;
Nov 01 18:06:49.877 INFO kablam!     |                                  ^ help: consider using `_x` instead
Nov 01 18:06:49.877 INFO kablam! 
Nov 01 18:06:49.976 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
Nov 01 18:06:49.978 INFO kablam! su: No module specific data is present
Nov 01 18:06:50.294 INFO running `"docker" "rm" "-f" "432a4aacefcf4ce1e482660fad01e10c20fe5488dec20cfaf40aff7692b67ea4"`
Nov 01 18:06:50.507 INFO blam! 432a4aacefcf4ce1e482660fad01e10c20fe5488dec20cfaf40aff7692b67ea4