Dec 06 07:34:29.417 INFO testing akuraj/learn_rust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:34:29.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07:34:29.828 INFO [stdout] 829fccf360d1c4915464d01a93a91899a361e329de0a4ed402855307e6aeb323
Dec 06 07:34:29.830 INFO running `"docker" "start" "-a" "829fccf360d1c4915464d01a93a91899a361e329de0a4ed402855307e6aeb323"`
Dec 06 07:34:31.411 INFO [stderr] usermod: no changes
Dec 06 07:34:31.456 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 06 07:34:31.924 INFO [stderr] warning: unused variable: `x`
Dec 06 07:34:31.924 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Dec 06 07:34:31.924 INFO [stderr]   |
Dec 06 07:34:31.924 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:31.924 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Dec 06 07:34:31.924 INFO [stderr]   |
Dec 06 07:34:31.924 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 07:34:31.925 INFO [stderr] 
Dec 06 07:34:31.925 INFO [stderr] warning: unused variable: `z`
Dec 06 07:34:31.925 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Dec 06 07:34:31.925 INFO [stderr]   |
Dec 06 07:34:31.925 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:31.925 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Dec 06 07:34:31.925 INFO [stderr] 
Dec 06 07:34:31.925 INFO [stderr] warning: variable `a` is assigned to, but never used
Dec 06 07:34:31.925 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Dec 06 07:34:31.925 INFO [stderr]   |
Dec 06 07:34:31.925 INFO [stderr] 9 |     let a: &u32;
Dec 06 07:34:31.925 INFO [stderr]   |         ^
Dec 06 07:34:31.925 INFO [stderr]   |
Dec 06 07:34:31.925 INFO [stderr]   = note: consider using `_a` instead
Dec 06 07:34:31.925 INFO [stderr] 
Dec 06 07:34:31.925 INFO [stderr] warning: value assigned to `a` is never read
Dec 06 07:34:31.925 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Dec 06 07:34:31.925 INFO [stderr]    |
Dec 06 07:34:31.925 INFO [stderr] 15 |         a = {
Dec 06 07:34:31.925 INFO [stderr]    |         ^
Dec 06 07:34:31.925 INFO [stderr]    |
Dec 06 07:34:31.925 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 07:34:31.925 INFO [stderr] 
Dec 06 07:34:32.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 06 07:34:32.344 INFO [stderr] su: No module specific data is present
Dec 06 07:34:33.382 INFO running `"docker" "inspect" "829fccf360d1c4915464d01a93a91899a361e329de0a4ed402855307e6aeb323"`
Dec 06 07:34:33.734 INFO running `"docker" "rm" "-f" "829fccf360d1c4915464d01a93a91899a361e329de0a4ed402855307e6aeb323"`
Dec 06 07:34:34.020 INFO [stdout] 829fccf360d1c4915464d01a93a91899a361e329de0a4ed402855307e6aeb323
Dec 06 07:34:34.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07:34:34.509 INFO [stdout] 5963bf76745b71a437f381b7ee6efab0c5a45f78795832aaa5c4387d203a7e1a
Dec 06 07:34:34.514 INFO running `"docker" "start" "-a" "5963bf76745b71a437f381b7ee6efab0c5a45f78795832aaa5c4387d203a7e1a"`
Dec 06 07:34:35.832 INFO [stderr] usermod: no changes
Dec 06 07:34:35.871 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 06 07:34:36.340 INFO [stderr] warning: unused variable: `x`
Dec 06 07:34:36.340 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Dec 06 07:34:36.340 INFO [stderr]   |
Dec 06 07:34:36.340 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:36.340 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Dec 06 07:34:36.340 INFO [stderr]   |
Dec 06 07:34:36.340 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 06 07:34:36.340 INFO [stderr] 
Dec 06 07:34:36.340 INFO [stderr] warning: unused variable: `z`
Dec 06 07:34:36.340 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Dec 06 07:34:36.340 INFO [stderr]   |
Dec 06 07:34:36.340 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Dec 06 07:34:36.340 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Dec 06 07:34:36.340 INFO [stderr] 
Dec 06 07:34:36.340 INFO [stderr] warning: variable `a` is assigned to, but never used
Dec 06 07:34:36.340 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Dec 06 07:34:36.340 INFO [stderr]   |
Dec 06 07:34:36.340 INFO [stderr] 9 |     let a: &u32;
Dec 06 07:34:36.340 INFO [stderr]   |         ^
Dec 06 07:34:36.340 INFO [stderr]   |
Dec 06 07:34:36.340 INFO [stderr]   = note: consider using `_a` instead
Dec 06 07:34:36.340 INFO [stderr] 
Dec 06 07:34:36.340 INFO [stderr] warning: value assigned to `a` is never read
Dec 06 07:34:36.340 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Dec 06 07:34:36.340 INFO [stderr]    |
Dec 06 07:34:36.340 INFO [stderr] 15 |         a = {
Dec 06 07:34:36.340 INFO [stderr]    |         ^
Dec 06 07:34:36.340 INFO [stderr]    |
Dec 06 07:34:36.340 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 07:34:36.340 INFO [stderr] 
Dec 06 07:34:36.581 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 06 07:34:36.583 INFO [stderr] su: No module specific data is present
Dec 06 07:34:37.091 INFO running `"docker" "inspect" "5963bf76745b71a437f381b7ee6efab0c5a45f78795832aaa5c4387d203a7e1a"`
Dec 06 07:34:37.198 INFO running `"docker" "rm" "-f" "5963bf76745b71a437f381b7ee6efab0c5a45f78795832aaa5c4387d203a7e1a"`
Dec 06 07:34:37.294 INFO [stdout] 5963bf76745b71a437f381b7ee6efab0c5a45f78795832aaa5c4387d203a7e1a
Dec 06 07:34:37.296 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07:34:37.528 INFO [stdout] aa1a8cb3431e641ab33b0cb63ab9a91ac1d2783b6eed2f6e49a11120113a43a3
Dec 06 07:34:37.533 INFO running `"docker" "start" "-a" "aa1a8cb3431e641ab33b0cb63ab9a91ac1d2783b6eed2f6e49a11120113a43a3"`
Dec 06 07:34:37.951 INFO [stderr] usermod: no changes
Dec 06 07:34:37.973 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 07:34:37.974 INFO [stderr]      Running /target/debug/deps/learn_rust-cdf2c57bea08a65a
Dec 06 07:34:37.975 INFO [stdout] 
Dec 06 07:34:37.975 INFO [stdout] running 0 tests
Dec 06 07:34:37.975 INFO [stdout] 
Dec 06 07:34:37.975 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:34:37.975 INFO [stdout] 
Dec 06 07:34:37.976 INFO [stderr] su: No module specific data is present
Dec 06 07:34:38.324 INFO running `"docker" "inspect" "aa1a8cb3431e641ab33b0cb63ab9a91ac1d2783b6eed2f6e49a11120113a43a3"`
Dec 06 07:34:38.486 INFO running `"docker" "rm" "-f" "aa1a8cb3431e641ab33b0cb63ab9a91ac1d2783b6eed2f6e49a11120113a43a3"`
Dec 06 07:34:38.613 INFO [stdout] aa1a8cb3431e641ab33b0cb63ab9a91ac1d2783b6eed2f6e49a11120113a43a3