Dec 06 07:34:13.633 INFO testing akuraj/learn_rust against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 07:34:13.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 07:34:14.119 INFO [stdout] cc04c27b41dac3d85cc737c36015c9a3365b010fc58a4cad02ed2290b846bee8
Dec 06 07:34:14.121 INFO running `"docker" "start" "-a" "cc04c27b41dac3d85cc737c36015c9a3365b010fc58a4cad02ed2290b846bee8"`
Dec 06 07:34:16.680 INFO [stderr] usermod: no changes
Dec 06 07:34:16.748 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 06 07:34:17.292 INFO [stderr] warning: unused variable: `x`
Dec 06 07:34:17.292 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Dec 06 07:34:17.293 INFO [stderr]   |
Dec 06 07:34:17.293 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:17.293 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Dec 06 07:34:17.293 INFO [stderr]   |
Dec 06 07:34:17.293 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 07:34:17.293 INFO [stderr] 
Dec 06 07:34:17.293 INFO [stderr] warning: unused variable: `z`
Dec 06 07:34:17.293 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Dec 06 07:34:17.293 INFO [stderr]   |
Dec 06 07:34:17.293 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:17.293 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Dec 06 07:34:17.293 INFO [stderr] 
Dec 06 07:34:17.293 INFO [stderr] warning: variable `a` is assigned to, but never used
Dec 06 07:34:17.293 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Dec 06 07:34:17.293 INFO [stderr]   |
Dec 06 07:34:17.293 INFO [stderr] 9 |     let a: &u32;
Dec 06 07:34:17.293 INFO [stderr]   |         ^
Dec 06 07:34:17.293 INFO [stderr]   |
Dec 06 07:34:17.293 INFO [stderr]   = note: consider using `_a` instead
Dec 06 07:34:17.293 INFO [stderr] 
Dec 06 07:34:17.293 INFO [stderr] warning: value assigned to `a` is never read
Dec 06 07:34:17.293 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Dec 06 07:34:17.293 INFO [stderr]    |
Dec 06 07:34:17.293 INFO [stderr] 15 |         a = {
Dec 06 07:34:17.293 INFO [stderr]    |         ^
Dec 06 07:34:17.293 INFO [stderr]    |
Dec 06 07:34:17.293 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 07:34:17.293 INFO [stderr] 
Dec 06 07:34:17.602 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 06 07:34:17.610 INFO [stderr] su: No module specific data is present
Dec 06 07:34:19.089 INFO running `"docker" "inspect" "cc04c27b41dac3d85cc737c36015c9a3365b010fc58a4cad02ed2290b846bee8"`
Dec 06 07:34:19.346 INFO running `"docker" "rm" "-f" "cc04c27b41dac3d85cc737c36015c9a3365b010fc58a4cad02ed2290b846bee8"`
Dec 06 07:34:19.578 INFO [stdout] cc04c27b41dac3d85cc737c36015c9a3365b010fc58a4cad02ed2290b846bee8
Dec 06 07:34:19.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 07:34:20.123 INFO [stdout] e02d27163a92785badbf42df75f8e1fb547945873b410eef48b24a394acb4ae9
Dec 06 07:34:20.125 INFO running `"docker" "start" "-a" "e02d27163a92785badbf42df75f8e1fb547945873b410eef48b24a394acb4ae9"`
Dec 06 07:34:22.192 INFO [stderr] usermod: no changes
Dec 06 07:34:22.259 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 06 07:34:22.798 INFO [stderr] warning: unused variable: `x`
Dec 06 07:34:22.798 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Dec 06 07:34:22.799 INFO [stderr]   |
Dec 06 07:34:22.799 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:22.799 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Dec 06 07:34:22.800 INFO [stderr]   |
Dec 06 07:34:22.800 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 07:34:22.800 INFO [stderr] 
Dec 06 07:34:22.800 INFO [stderr] warning: unused variable: `z`
Dec 06 07:34:22.801 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Dec 06 07:34:22.801 INFO [stderr]   |
Dec 06 07:34:22.801 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:22.802 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Dec 06 07:34:22.802 INFO [stderr] 
Dec 06 07:34:22.802 INFO [stderr] warning: variable `a` is assigned to, but never used
Dec 06 07:34:22.802 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Dec 06 07:34:22.803 INFO [stderr]   |
Dec 06 07:34:22.803 INFO [stderr] 9 |     let a: &u32;
Dec 06 07:34:22.803 INFO [stderr]   |         ^
Dec 06 07:34:22.803 INFO [stderr]   |
Dec 06 07:34:22.804 INFO [stderr]   = note: consider using `_a` instead
Dec 06 07:34:22.804 INFO [stderr] 
Dec 06 07:34:22.804 INFO [stderr] warning: value assigned to `a` is never read
Dec 06 07:34:22.805 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Dec 06 07:34:22.805 INFO [stderr]    |
Dec 06 07:34:22.805 INFO [stderr] 15 |         a = {
Dec 06 07:34:22.805 INFO [stderr]    |         ^
Dec 06 07:34:22.806 INFO [stderr]    |
Dec 06 07:34:22.806 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 07:34:22.806 INFO [stderr] 
Dec 06 07:34:23.293 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 06 07:34:23.296 INFO [stderr] su: No module specific data is present
Dec 06 07:34:24.799 INFO running `"docker" "inspect" "e02d27163a92785badbf42df75f8e1fb547945873b410eef48b24a394acb4ae9"`
Dec 06 07:34:25.152 INFO running `"docker" "rm" "-f" "e02d27163a92785badbf42df75f8e1fb547945873b410eef48b24a394acb4ae9"`
Dec 06 07:34:25.388 INFO [stdout] e02d27163a92785badbf42df75f8e1fb547945873b410eef48b24a394acb4ae9
Dec 06 07:34:25.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 07:34:26.017 INFO [stdout] 0e0e53b492a1c07bf0ec2a9b7d48a3f4db653292a66f38673e52c04a9860499b
Dec 06 07:34:26.019 INFO running `"docker" "start" "-a" "0e0e53b492a1c07bf0ec2a9b7d48a3f4db653292a66f38673e52c04a9860499b"`
Dec 06 07:34:27.657 INFO [stderr] usermod: no changes
Dec 06 07:34:27.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 07:34:27.728 INFO [stderr]      Running /target/debug/deps/learn_rust-a7fd9cc65deb49e4
Dec 06 07:34:27.749 INFO [stdout] 
Dec 06 07:34:27.749 INFO [stdout] running 0 tests
Dec 06 07:34:27.749 INFO [stdout] 
Dec 06 07:34:27.749 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:34:27.749 INFO [stdout] 
Dec 06 07:34:27.753 INFO [stderr] su: No module specific data is present
Dec 06 07:34:28.744 INFO running `"docker" "inspect" "0e0e53b492a1c07bf0ec2a9b7d48a3f4db653292a66f38673e52c04a9860499b"`
Dec 06 07:34:29.031 INFO running `"docker" "rm" "-f" "0e0e53b492a1c07bf0ec2a9b7d48a3f4db653292a66f38673e52c04a9860499b"`
Dec 06 07:34:29.335 INFO [stdout] 0e0e53b492a1c07bf0ec2a9b7d48a3f4db653292a66f38673e52c04a9860499b