Dec 02 02:02:22.966 INFO testing YoshikuniJujo/learn_rust against 1.30.1 for beta-1.31-5
Dec 02 02:02:22.966 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 02:02:23.475 INFO [stdout] 3bf6bb255822e3933f0d70bb7098799b1cd45bb0058a01face7aa7c4a404ae87
Dec 02 02:02:23.478 INFO running `"docker" "start" "-a" "3bf6bb255822e3933f0d70bb7098799b1cd45bb0058a01face7aa7c4a404ae87"`
Dec 02 02:02:24.835 INFO [stderr] usermod: no changes
Dec 02 02:02:24.931 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 02 02:02:27.755 INFO [stderr] warning: function is never used: `foo`
Dec 02 02:02:27.755 INFO [stderr]   --> src/ownership.rs:26:1
Dec 02 02:02:27.755 INFO [stderr]    |
Dec 02 02:02:27.755 INFO [stderr] 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Dec 02 02:02:27.755 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 02:02:27.755 INFO [stderr]    |
Dec 02 02:02:27.755 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 02:02:27.755 INFO [stderr] 
Dec 02 02:02:27.875 INFO [stderr] warning: value assigned to `x` is never read
Dec 02 02:02:27.875 INFO [stderr]  --> src/mutability.rs:9:10
Dec 02 02:02:27.875 INFO [stderr]   |
Dec 02 02:02:27.875 INFO [stderr] 9 |     let mut x = 5;
Dec 02 02:02:27.875 INFO [stderr]   |             ^
Dec 02 02:02:27.875 INFO [stderr]   |
Dec 02 02:02:27.875 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 02 02:02:27.875 INFO [stderr] 
Dec 02 02:02:27.875 INFO [stderr] warning: variable `y` is assigned to, but never used
Dec 02 02:02:27.875 INFO [stderr]   --> src/mutability.rs:13:10
Dec 02 02:02:27.875 INFO [stderr]    |
Dec 02 02:02:27.875 INFO [stderr] 13 |     let mut y = &mut x;
Dec 02 02:02:27.875 INFO [stderr]    |             ^
Dec 02 02:02:27.875 INFO [stderr]    |
Dec 02 02:02:27.875 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 02:02:27.875 INFO [stderr]    = note: consider using `_y` instead
Dec 02 02:02:27.875 INFO [stderr] 
Dec 02 02:02:27.875 INFO [stderr] warning: value assigned to `y` is never read
Dec 02 02:02:27.875 INFO [stderr]   --> src/mutability.rs:14:2
Dec 02 02:02:27.875 INFO [stderr]    |
Dec 02 02:02:27.875 INFO [stderr] 14 |     y = &mut z;
Dec 02 02:02:27.875 INFO [stderr]    |     ^
Dec 02 02:02:27.875 INFO [stderr] 
Dec 02 02:02:27.875 INFO [stderr] warning: field is never used: `x`
Dec 02 02:02:27.875 INFO [stderr]  --> src/mutability.rs:4:2
Dec 02 02:02:27.875 INFO [stderr]   |
Dec 02 02:02:27.875 INFO [stderr] 4 |     x: i32,
Dec 02 02:02:27.875 INFO [stderr]   |     ^^^^^^
Dec 02 02:02:27.875 INFO [stderr]   |
Dec 02 02:02:27.875 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 02:02:27.875 INFO [stderr] 
Dec 02 02:02:30.921 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
Dec 02 02:02:30.924 INFO [stderr] su: No module specific data is present
Dec 02 02:02:31.608 INFO running `"docker" "inspect" "3bf6bb255822e3933f0d70bb7098799b1cd45bb0058a01face7aa7c4a404ae87"`
Dec 02 02:02:31.932 INFO running `"docker" "rm" "-f" "3bf6bb255822e3933f0d70bb7098799b1cd45bb0058a01face7aa7c4a404ae87"`
Dec 02 02:02:32.276 INFO [stdout] 3bf6bb255822e3933f0d70bb7098799b1cd45bb0058a01face7aa7c4a404ae87
Dec 02 02:02:32.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 02:02:32.778 INFO [stdout] 1ccaac30424643629029fe7c5f6d05f3fc01b83b1b08c7c7cbaceddf7332f188
Dec 02 02:02:32.780 INFO running `"docker" "start" "-a" "1ccaac30424643629029fe7c5f6d05f3fc01b83b1b08c7c7cbaceddf7332f188"`
Dec 02 02:02:34.055 INFO [stderr] usermod: no changes
Dec 02 02:02:34.131 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Dec 02 02:02:37.811 INFO [stderr] warning: function is never used: `foo`
Dec 02 02:02:37.812 INFO [stderr]   --> src/ownership.rs:26:1
Dec 02 02:02:37.812 INFO [stderr]    |
Dec 02 02:02:37.812 INFO [stderr] 26 | fn foo(v: Vec<i32>) -> Vec<i32> {
Dec 02 02:02:37.812 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 02:02:37.812 INFO [stderr]    |
Dec 02 02:02:37.812 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 02:02:37.812 INFO [stderr] 
Dec 02 02:02:39.933 INFO [stderr] warning: value assigned to `x` is never read
Dec 02 02:02:39.933 INFO [stderr]  --> src/mutability.rs:9:10
Dec 02 02:02:39.933 INFO [stderr]   |
Dec 02 02:02:39.933 INFO [stderr] 9 |     let mut x = 5;
Dec 02 02:02:39.933 INFO [stderr]   |             ^
Dec 02 02:02:39.933 INFO [stderr]   |
Dec 02 02:02:39.933 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 02 02:02:39.933 INFO [stderr] 
Dec 02 02:02:39.933 INFO [stderr] warning: variable `y` is assigned to, but never used
Dec 02 02:02:39.933 INFO [stderr]   --> src/mutability.rs:13:10
Dec 02 02:02:39.933 INFO [stderr]    |
Dec 02 02:02:39.933 INFO [stderr] 13 |     let mut y = &mut x;
Dec 02 02:02:39.933 INFO [stderr]    |             ^
Dec 02 02:02:39.933 INFO [stderr]    |
Dec 02 02:02:39.933 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 02:02:39.933 INFO [stderr]    = note: consider using `_y` instead
Dec 02 02:02:39.933 INFO [stderr] 
Dec 02 02:02:39.933 INFO [stderr] warning: value assigned to `y` is never read
Dec 02 02:02:39.933 INFO [stderr]   --> src/mutability.rs:14:2
Dec 02 02:02:39.933 INFO [stderr]    |
Dec 02 02:02:39.933 INFO [stderr] 14 |     y = &mut z;
Dec 02 02:02:39.933 INFO [stderr]    |     ^
Dec 02 02:02:39.933 INFO [stderr] 
Dec 02 02:02:39.935 INFO [stderr] warning: field is never used: `x`
Dec 02 02:02:39.935 INFO [stderr]  --> src/mutability.rs:4:2
Dec 02 02:02:39.935 INFO [stderr]   |
Dec 02 02:02:39.935 INFO [stderr] 4 |     x: i32,
Dec 02 02:02:39.935 INFO [stderr]   |     ^^^^^^
Dec 02 02:02:39.935 INFO [stderr]   |
Dec 02 02:02:39.935 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 02:02:39.935 INFO [stderr] 
Dec 02 02:02:41.171 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
Dec 02 02:02:41.175 INFO [stderr] su: No module specific data is present
Dec 02 02:02:41.897 INFO running `"docker" "inspect" "1ccaac30424643629029fe7c5f6d05f3fc01b83b1b08c7c7cbaceddf7332f188"`
Dec 02 02:02:42.213 INFO running `"docker" "rm" "-f" "1ccaac30424643629029fe7c5f6d05f3fc01b83b1b08c7c7cbaceddf7332f188"`
Dec 02 02:02:42.535 INFO [stdout] 1ccaac30424643629029fe7c5f6d05f3fc01b83b1b08c7c7cbaceddf7332f188
Dec 02 02:02:42.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 02:02:43.115 INFO [stdout] 5719e8f05289a3572fa48260763fa2af2950f3315b62bf245a1dc2160a50f054
Dec 02 02:02:43.120 INFO running `"docker" "start" "-a" "5719e8f05289a3572fa48260763fa2af2950f3315b62bf245a1dc2160a50f054"`
Dec 02 02:02:44.567 INFO [stderr] usermod: no changes
Dec 02 02:02:44.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 02 02:02:44.643 INFO [stderr]      Running /target/debug/deps/borrowing-76ee5a325dfb76ec
Dec 02 02:02:44.647 INFO [stderr]      Running /target/debug/deps/fib0-c83d5dd180d9c50b
Dec 02 02:02:44.647 INFO [stdout] 
Dec 02 02:02:44.647 INFO [stdout] running 0 tests
Dec 02 02:02:44.647 INFO [stdout] 
Dec 02 02:02:44.647 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.647 INFO [stdout] 
Dec 02 02:02:44.651 INFO [stdout] 
Dec 02 02:02:44.651 INFO [stderr]      Running /target/debug/deps/hello-4099f6ec36ee3b32
Dec 02 02:02:44.651 INFO [stdout] running 0 tests
Dec 02 02:02:44.651 INFO [stderr]      Running /target/debug/deps/if-41451f25eed58424
Dec 02 02:02:44.651 INFO [stdout] 
Dec 02 02:02:44.651 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.651 INFO [stdout] 
Dec 02 02:02:44.651 INFO [stdout] 
Dec 02 02:02:44.651 INFO [stdout] running 0 tests
Dec 02 02:02:44.651 INFO [stdout] 
Dec 02 02:02:44.651 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.651 INFO [stdout] 
Dec 02 02:02:44.656 INFO [stdout] 
Dec 02 02:02:44.656 INFO [stdout] running 0 tests
Dec 02 02:02:44.656 INFO [stdout] 
Dec 02 02:02:44.656 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.656 INFO [stdout] 
Dec 02 02:02:44.663 INFO [stdout] 
Dec 02 02:02:44.663 INFO [stderr]      Running /target/debug/deps/lifetime-eaeebf0cf20c8662
Dec 02 02:02:44.663 INFO [stdout] running 0 tests
Dec 02 02:02:44.663 INFO [stderr]      Running /target/debug/deps/loops-2df48cc4178dc84c
Dec 02 02:02:44.663 INFO [stdout] 
Dec 02 02:02:44.663 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.663 INFO [stdout] 
Dec 02 02:02:44.671 INFO [stdout] 
Dec 02 02:02:44.671 INFO [stderr]      Running /target/debug/deps/mutability-e6c1e1eaf96976ce
Dec 02 02:02:44.671 INFO [stdout] running 0 tests
Dec 02 02:02:44.671 INFO [stdout] 
Dec 02 02:02:44.671 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.671 INFO [stdout] 
Dec 02 02:02:44.679 INFO [stdout] 
Dec 02 02:02:44.679 INFO [stdout] running 0 tests
Dec 02 02:02:44.679 INFO [stdout] 
Dec 02 02:02:44.679 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.679 INFO [stdout] 
Dec 02 02:02:44.687 INFO [stderr]      Running /target/debug/deps/ownership-67213875a4029e69
Dec 02 02:02:44.692 INFO [stdout] 
Dec 02 02:02:44.692 INFO [stdout] running 0 tests
Dec 02 02:02:44.692 INFO [stdout] 
Dec 02 02:02:44.692 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.692 INFO [stdout] 
Dec 02 02:02:44.692 INFO [stderr]      Running /target/debug/deps/struct-6b92f39d06bff8a3
Dec 02 02:02:44.700 INFO [stdout] 
Dec 02 02:02:44.700 INFO [stdout] running 0 tests
Dec 02 02:02:44.703 INFO [stdout] 
Dec 02 02:02:44.703 INFO [stderr]      Running /target/debug/deps/vectors-359881ea2ac9ec76
Dec 02 02:02:44.703 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.703 INFO [stdout] 
Dec 02 02:02:44.731 INFO [stdout] 
Dec 02 02:02:44.731 INFO [stdout] running 0 tests
Dec 02 02:02:44.731 INFO [stdout] 
Dec 02 02:02:44.731 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 02:02:44.731 INFO [stdout] 
Dec 02 02:02:44.739 INFO [stderr] su: No module specific data is present
Dec 02 02:02:45.711 INFO running `"docker" "inspect" "5719e8f05289a3572fa48260763fa2af2950f3315b62bf245a1dc2160a50f054"`
Dec 02 02:02:45.983 INFO running `"docker" "rm" "-f" "5719e8f05289a3572fa48260763fa2af2950f3315b62bf245a1dc2160a50f054"`
Dec 02 02:02:46.231 INFO [stdout] 5719e8f05289a3572fa48260763fa2af2950f3315b62bf245a1dc2160a50f054
