Nov 01 09:01:37.722 INFO checking akuraj/learn_rust against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 09:01:37.723 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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"`
Nov 01 09:01:38.186 INFO blam! a51c619fedb630d82a63068dac5fa7798c9d1c0de256802d48376f9fad70821d
Nov 01 09:01:38.188 INFO running `"docker" "start" "-a" "a51c619fedb630d82a63068dac5fa7798c9d1c0de256802d48376f9fad70821d"`
Nov 01 09:01:40.155 INFO kablam! usermod: no changes
Nov 01 09:01:40.248 INFO kablam!     Checking learn_rust v0.1.0 (/source)
Nov 01 09:01:41.052 INFO kablam! warning: unused variable: `x`
Nov 01 09:01:41.052 INFO kablam!  --> src/test_lifetimes.rs:1:34
Nov 01 09:01:41.052 INFO kablam!   |
Nov 01 09:01:41.052 INFO kablam! 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 01 09:01:41.054 INFO kablam!   |                                  ^ help: consider using `_x` instead
Nov 01 09:01:41.054 INFO kablam!   |
Nov 01 09:01:41.054 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 09:01:41.054 INFO kablam! 
Nov 01 09:01:41.054 INFO kablam! warning: unused variable: `z`
Nov 01 09:01:41.054 INFO kablam!  --> src/test_lifetimes.rs:1:58
Nov 01 09:01:41.054 INFO kablam!   |
Nov 01 09:01:41.054 INFO kablam! 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 01 09:01:41.054 INFO kablam!   |                                                          ^ help: consider using `_z` instead
Nov 01 09:01:41.054 INFO kablam! 
Nov 01 09:01:41.054 INFO kablam! warning: variable `a` is assigned to, but never used
Nov 01 09:01:41.054 INFO kablam!  --> src/test_lifetimes.rs:9:9
Nov 01 09:01:41.054 INFO kablam!   |
Nov 01 09:01:41.054 INFO kablam! 9 |     let a: &u32;
Nov 01 09:01:41.054 INFO kablam!   |         ^
Nov 01 09:01:41.054 INFO kablam!   |
Nov 01 09:01:41.054 INFO kablam!   = note: consider using `_a` instead
Nov 01 09:01:41.054 INFO kablam! 
Nov 01 09:01:41.054 INFO kablam! warning: value assigned to `a` is never read
Nov 01 09:01:41.054 INFO kablam!   --> src/test_lifetimes.rs:15:9
Nov 01 09:01:41.054 INFO kablam!    |
Nov 01 09:01:41.054 INFO kablam! 15 |         a = {
Nov 01 09:01:41.054 INFO kablam!    |         ^
Nov 01 09:01:41.054 INFO kablam!    |
Nov 01 09:01:41.054 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 09:01:41.054 INFO kablam! 
Nov 01 09:01:41.305 INFO kablam! warning: unused variable: `x`
Nov 01 09:01:41.306 INFO kablam!  --> src/test_lifetimes.rs:1:34
Nov 01 09:01:41.306 INFO kablam!   |
Nov 01 09:01:41.306 INFO kablam! 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 01 09:01:41.306 INFO kablam!   |                                  ^ help: consider using `_x` instead
Nov 01 09:01:41.307 INFO kablam!   |
Nov 01 09:01:41.307 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 09:01:41.307 INFO kablam! 
Nov 01 09:01:41.307 INFO kablam! warning: unused variable: `z`
Nov 01 09:01:41.307 INFO kablam!  --> src/test_lifetimes.rs:1:58
Nov 01 09:01:41.307 INFO kablam!   |
Nov 01 09:01:41.308 INFO kablam! 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 01 09:01:41.308 INFO kablam!   |                                                          ^ help: consider using `_z` instead
Nov 01 09:01:41.308 INFO kablam! 
Nov 01 09:01:41.308 INFO kablam! warning: variable `a` is assigned to, but never used
Nov 01 09:01:41.308 INFO kablam!  --> src/test_lifetimes.rs:9:9
Nov 01 09:01:41.308 INFO kablam!   |
Nov 01 09:01:41.309 INFO kablam! 9 |     let a: &u32;
Nov 01 09:01:41.309 INFO kablam!   |         ^
Nov 01 09:01:41.309 INFO kablam!   |
Nov 01 09:01:41.310 INFO kablam!   = note: consider using `_a` instead
Nov 01 09:01:41.310 INFO kablam! 
Nov 01 09:01:41.310 INFO kablam! warning: value assigned to `a` is never read
Nov 01 09:01:41.310 INFO kablam!   --> src/test_lifetimes.rs:15:9
Nov 01 09:01:41.310 INFO kablam!    |
Nov 01 09:01:41.310 INFO kablam! 15 |         a = {
Nov 01 09:01:41.310 INFO kablam!    |         ^
Nov 01 09:01:41.310 INFO kablam!    |
Nov 01 09:01:41.311 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 09:01:41.311 INFO kablam! 
Nov 01 09:01:41.361 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 01 09:01:41.364 INFO kablam! su: No module specific data is present
Nov 01 09:01:42.645 INFO running `"docker" "rm" "-f" "a51c619fedb630d82a63068dac5fa7798c9d1c0de256802d48376f9fad70821d"`
Nov 01 09:01:42.984 INFO blam! a51c619fedb630d82a63068dac5fa7798c9d1c0de256802d48376f9fad70821d