Dec 14 03:35:12.776 INFO testing akuraj/learn_rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 03:35:12.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 03:35:13.349 INFO [stdout] 9b8be5dda05c0934b9c35b29ee645d9776d82af6f5cfb0cb65b0cf7e3741d61b
Dec 14 03:35:13.352 INFO running `"docker" "start" "-a" "9b8be5dda05c0934b9c35b29ee645d9776d82af6f5cfb0cb65b0cf7e3741d61b"`
Dec 14 03:35:15.786 INFO [stderr] usermod: no changes
Dec 14 03:35:15.847 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 14 03:35:16.433 INFO [stderr] warning: unused variable: `x`
Dec 14 03:35:16.433 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Dec 14 03:35:16.433 INFO [stderr]   |
Dec 14 03:35:16.433 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 14 03:35:16.433 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Dec 14 03:35:16.433 INFO [stderr]   |
Dec 14 03:35:16.433 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 03:35:16.433 INFO [stderr] 
Dec 14 03:35:16.433 INFO [stderr] warning: unused variable: `z`
Dec 14 03:35:16.433 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Dec 14 03:35:16.433 INFO [stderr]   |
Dec 14 03:35:16.433 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 14 03:35:16.433 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Dec 14 03:35:16.433 INFO [stderr] 
Dec 14 03:35:16.433 INFO [stderr] warning: variable `a` is assigned to, but never used
Dec 14 03:35:16.433 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Dec 14 03:35:16.433 INFO [stderr]   |
Dec 14 03:35:16.433 INFO [stderr] 9 |     let a: &u32;
Dec 14 03:35:16.433 INFO [stderr]   |         ^
Dec 14 03:35:16.433 INFO [stderr]   |
Dec 14 03:35:16.433 INFO [stderr]   = note: consider using `_a` instead
Dec 14 03:35:16.433 INFO [stderr] 
Dec 14 03:35:16.433 INFO [stderr] warning: value assigned to `a` is never read
Dec 14 03:35:16.433 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Dec 14 03:35:16.433 INFO [stderr]    |
Dec 14 03:35:16.433 INFO [stderr] 15 |         a = {
Dec 14 03:35:16.433 INFO [stderr]    |         ^
Dec 14 03:35:16.433 INFO [stderr]    |
Dec 14 03:35:16.433 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 03:35:16.433 INFO [stderr] 
Dec 14 03:35:16.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 14 03:35:16.746 INFO [stderr] su: No module specific data is present
Dec 14 03:35:18.032 INFO running `"docker" "inspect" "9b8be5dda05c0934b9c35b29ee645d9776d82af6f5cfb0cb65b0cf7e3741d61b"`
Dec 14 03:35:18.443 INFO running `"docker" "rm" "-f" "9b8be5dda05c0934b9c35b29ee645d9776d82af6f5cfb0cb65b0cf7e3741d61b"`
Dec 14 03:35:18.771 INFO [stdout] 9b8be5dda05c0934b9c35b29ee645d9776d82af6f5cfb0cb65b0cf7e3741d61b
Dec 14 03:35:18.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 03:35:19.285 INFO [stdout] 63c2219a5368e007a75fb23326b1766824675b1a5a4cac03f2e0c30cedd0efa7
Dec 14 03:35:19.287 INFO running `"docker" "start" "-a" "63c2219a5368e007a75fb23326b1766824675b1a5a4cac03f2e0c30cedd0efa7"`
Dec 14 03:35:21.801 INFO [stderr] usermod: no changes
Dec 14 03:35:21.871 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 14 03:35:22.382 INFO [stderr] warning: unused variable: `x`
Dec 14 03:35:22.382 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Dec 14 03:35:22.382 INFO [stderr]   |
Dec 14 03:35:22.382 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 14 03:35:22.382 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Dec 14 03:35:22.382 INFO [stderr]   |
Dec 14 03:35:22.382 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 14 03:35:22.382 INFO [stderr] 
Dec 14 03:35:22.383 INFO [stderr] warning: unused variable: `z`
Dec 14 03:35:22.383 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Dec 14 03:35:22.383 INFO [stderr]   |
Dec 14 03:35:22.383 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 14 03:35:22.383 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Dec 14 03:35:22.383 INFO [stderr] 
Dec 14 03:35:22.383 INFO [stderr] warning: variable `a` is assigned to, but never used
Dec 14 03:35:22.383 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Dec 14 03:35:22.383 INFO [stderr]   |
Dec 14 03:35:22.383 INFO [stderr] 9 |     let a: &u32;
Dec 14 03:35:22.383 INFO [stderr]   |         ^
Dec 14 03:35:22.383 INFO [stderr]   |
Dec 14 03:35:22.383 INFO [stderr]   = note: consider using `_a` instead
Dec 14 03:35:22.383 INFO [stderr] 
Dec 14 03:35:22.383 INFO [stderr] warning: value assigned to `a` is never read
Dec 14 03:35:22.383 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Dec 14 03:35:22.383 INFO [stderr]    |
Dec 14 03:35:22.383 INFO [stderr] 15 |         a = {
Dec 14 03:35:22.383 INFO [stderr]    |         ^
Dec 14 03:35:22.383 INFO [stderr]    |
Dec 14 03:35:22.383 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 03:35:22.383 INFO [stderr] 
Dec 14 03:35:22.909 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 14 03:35:22.911 INFO [stderr] su: No module specific data is present
Dec 14 03:35:24.359 INFO running `"docker" "inspect" "63c2219a5368e007a75fb23326b1766824675b1a5a4cac03f2e0c30cedd0efa7"`
Dec 14 03:35:24.672 INFO running `"docker" "rm" "-f" "63c2219a5368e007a75fb23326b1766824675b1a5a4cac03f2e0c30cedd0efa7"`
Dec 14 03:35:25.043 INFO [stdout] 63c2219a5368e007a75fb23326b1766824675b1a5a4cac03f2e0c30cedd0efa7
Dec 14 03:35:25.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 03:35:25.479 INFO [stdout] 819b93e2fbf783249cc0ac30bed782591c4c85b7a7b59ffc804fdcb06132cbc9
Dec 14 03:35:25.481 INFO running `"docker" "start" "-a" "819b93e2fbf783249cc0ac30bed782591c4c85b7a7b59ffc804fdcb06132cbc9"`
Dec 14 03:35:27.254 INFO [stderr] usermod: no changes
Dec 14 03:35:27.307 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 03:35:27.311 INFO [stderr]      Running /target/debug/deps/learn_rust-53db4efbe03d49ac
Dec 14 03:35:27.339 INFO [stdout] 
Dec 14 03:35:27.339 INFO [stdout] running 0 tests
Dec 14 03:35:27.339 INFO [stdout] 
Dec 14 03:35:27.339 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 03:35:27.339 INFO [stdout] 
Dec 14 03:35:27.339 INFO [stderr] su: No module specific data is present
Dec 14 03:35:28.983 INFO running `"docker" "inspect" "819b93e2fbf783249cc0ac30bed782591c4c85b7a7b59ffc804fdcb06132cbc9"`
Dec 14 03:35:29.357 INFO running `"docker" "rm" "-f" "819b93e2fbf783249cc0ac30bed782591c4c85b7a7b59ffc804fdcb06132cbc9"`
Dec 14 03:35:29.689 INFO [stdout] 819b93e2fbf783249cc0ac30bed782591c4c85b7a7b59ffc804fdcb06132cbc9