Nov 16 10:17:30.757 INFO testing tperdue321/rust_basics against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 10:17:30.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 10:17:30.967 INFO [stdout] 136efec4813ef33e31884e375143d7659623eaa76572e84377c3eda477bf0d4b
Nov 16 10:17:30.972 INFO running `"docker" "start" "-a" "136efec4813ef33e31884e375143d7659623eaa76572e84377c3eda477bf0d4b"`
Nov 16 10:17:31.347 INFO [stderr] usermod: no changes
Nov 16 10:17:31.368 INFO [stderr]    Compiling basics v0.1.0 (/source)
Nov 16 10:17:31.496 INFO [stderr] warning: unused variable: `a`
Nov 16 10:17:31.496 INFO [stderr]  --> src/main.rs:9:9
Nov 16 10:17:31.496 INFO [stderr]   |
Nov 16 10:17:31.496 INFO [stderr] 9 |     let a: i32 = 1;
Nov 16 10:17:31.496 INFO [stderr]   |         ^ help: consider using `_a` instead
Nov 16 10:17:31.496 INFO [stderr]   |
Nov 16 10:17:31.496 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 10:17:31.496 INFO [stderr] 
Nov 16 10:17:31.496 INFO [stderr] warning: variable `b` is assigned to, but never used
Nov 16 10:17:31.496 INFO [stderr]   --> src/main.rs:14:13
Nov 16 10:17:31.496 INFO [stderr]    |
Nov 16 10:17:31.496 INFO [stderr] 14 |     let mut b: i32 = 15;
Nov 16 10:17:31.496 INFO [stderr]    |             ^
Nov 16 10:17:31.496 INFO [stderr]    |
Nov 16 10:17:31.496 INFO [stderr]    = note: consider using `_b` instead
Nov 16 10:17:31.496 INFO [stderr] 
Nov 16 10:17:31.496 INFO [stderr] warning: value assigned to `b` is never read
Nov 16 10:17:31.496 INFO [stderr]   --> src/main.rs:15:5
Nov 16 10:17:31.496 INFO [stderr]    |
Nov 16 10:17:31.496 INFO [stderr] 15 |     b = 25;
Nov 16 10:17:31.496 INFO [stderr]    |     ^
Nov 16 10:17:31.496 INFO [stderr]    |
Nov 16 10:17:31.496 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 10:17:31.496 INFO [stderr] 
Nov 16 10:17:31.496 INFO [stderr] warning: unused variable: `x`
Nov 16 10:17:31.496 INFO [stderr]   --> src/main.rs:17:9
Nov 16 10:17:31.496 INFO [stderr]    |
Nov 16 10:17:31.496 INFO [stderr] 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 16 10:17:31.496 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 10:17:31.496 INFO [stderr] 
Nov 16 10:17:31.496 INFO [stderr] warning: value assigned to `x` is never read
Nov 16 10:17:31.496 INFO [stderr]   --> src/main.rs:38:13
Nov 16 10:17:31.497 INFO [stderr]    |
Nov 16 10:17:31.497 INFO [stderr] 38 |     let mut x: i32 = 1;
Nov 16 10:17:31.497 INFO [stderr]    |             ^
Nov 16 10:17:31.497 INFO [stderr] 
Nov 16 10:17:31.497 INFO [stderr] warning: unused variable: `y`
Nov 16 10:17:31.497 INFO [stderr]   --> src/main.rs:42:9
Nov 16 10:17:31.497 INFO [stderr]    |
Nov 16 10:17:31.497 INFO [stderr] 42 |     let y = 4;
Nov 16 10:17:31.497 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 10:17:31.497 INFO [stderr] 
Nov 16 10:17:31.497 INFO [stderr] warning: unused variable: `y`
Nov 16 10:17:31.497 INFO [stderr]   --> src/main.rs:45:9
Nov 16 10:17:31.497 INFO [stderr]    |
Nov 16 10:17:31.497 INFO [stderr] 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 16 10:17:31.497 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 10:17:31.497 INFO [stderr] 
Nov 16 10:17:31.497 INFO [stderr] warning: unused variable: `x`
Nov 16 10:17:31.497 INFO [stderr]   --> src/main.rs:60:9
Nov 16 10:17:31.497 INFO [stderr]    |
Nov 16 10:17:31.497 INFO [stderr] 60 |     let x = return_int_plus_1(1);
Nov 16 10:17:31.497 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 10:17:31.497 INFO [stderr] 
Nov 16 10:17:31.497 INFO [stderr] warning: function is never used: `diverges`
Nov 16 10:17:31.497 INFO [stderr]   --> src/main.rs:93:1
Nov 16 10:17:31.497 INFO [stderr]    |
Nov 16 10:17:31.497 INFO [stderr] 93 | fn diverges() -> ! {
Nov 16 10:17:31.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 16 10:17:31.497 INFO [stderr]    |
Nov 16 10:17:31.497 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 10:17:31.497 INFO [stderr] 
Nov 16 10:17:31.671 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Nov 16 10:17:31.673 INFO [stderr] su: No module specific data is present
Nov 16 10:17:31.911 INFO running `"docker" "inspect" "136efec4813ef33e31884e375143d7659623eaa76572e84377c3eda477bf0d4b"`
Nov 16 10:17:31.973 INFO running `"docker" "rm" "-f" "136efec4813ef33e31884e375143d7659623eaa76572e84377c3eda477bf0d4b"`
Nov 16 10:17:32.061 INFO [stdout] 136efec4813ef33e31884e375143d7659623eaa76572e84377c3eda477bf0d4b
Nov 16 10:17:32.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 10:17:32.207 INFO [stdout] 6c3ff54a065a86a00aa9ff270d703889865401786b932eb0a05f8c861556ecb0
Nov 16 10:17:32.209 INFO running `"docker" "start" "-a" "6c3ff54a065a86a00aa9ff270d703889865401786b932eb0a05f8c861556ecb0"`
Nov 16 10:17:32.649 INFO [stderr] usermod: no changes
Nov 16 10:17:32.681 INFO [stderr]    Compiling basics v0.1.0 (/source)
Nov 16 10:17:32.827 INFO [stderr] warning: unused variable: `a`
Nov 16 10:17:32.827 INFO [stderr]  --> src/main.rs:9:9
Nov 16 10:17:32.827 INFO [stderr]   |
Nov 16 10:17:32.827 INFO [stderr] 9 |     let a: i32 = 1;
Nov 16 10:17:32.827 INFO [stderr]   |         ^ help: consider using `_a` instead
Nov 16 10:17:32.827 INFO [stderr]   |
Nov 16 10:17:32.827 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 10:17:32.827 INFO [stderr] 
Nov 16 10:17:32.827 INFO [stderr] warning: variable `b` is assigned to, but never used
Nov 16 10:17:32.827 INFO [stderr]   --> src/main.rs:14:13
Nov 16 10:17:32.827 INFO [stderr]    |
Nov 16 10:17:32.827 INFO [stderr] 14 |     let mut b: i32 = 15;
Nov 16 10:17:32.827 INFO [stderr]    |             ^
Nov 16 10:17:32.827 INFO [stderr]    |
Nov 16 10:17:32.827 INFO [stderr]    = note: consider using `_b` instead
Nov 16 10:17:32.827 INFO [stderr] 
Nov 16 10:17:32.827 INFO [stderr] warning: value assigned to `b` is never read
Nov 16 10:17:32.827 INFO [stderr]   --> src/main.rs:15:5
Nov 16 10:17:32.827 INFO [stderr]    |
Nov 16 10:17:32.827 INFO [stderr] 15 |     b = 25;
Nov 16 10:17:32.828 INFO [stderr]    |     ^
Nov 16 10:17:32.828 INFO [stderr]    |
Nov 16 10:17:32.828 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 10:17:32.828 INFO [stderr] 
Nov 16 10:17:32.828 INFO [stderr] warning: unused variable: `x`
Nov 16 10:17:32.828 INFO [stderr]   --> src/main.rs:17:9
Nov 16 10:17:32.828 INFO [stderr]    |
Nov 16 10:17:32.828 INFO [stderr] 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 16 10:17:32.828 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 10:17:32.828 INFO [stderr] 
Nov 16 10:17:32.828 INFO [stderr] warning: value assigned to `x` is never read
Nov 16 10:17:32.828 INFO [stderr]   --> src/main.rs:38:13
Nov 16 10:17:32.828 INFO [stderr]    |
Nov 16 10:17:32.828 INFO [stderr] 38 |     let mut x: i32 = 1;
Nov 16 10:17:32.828 INFO [stderr]    |             ^
Nov 16 10:17:32.828 INFO [stderr] 
Nov 16 10:17:32.828 INFO [stderr] warning: unused variable: `y`
Nov 16 10:17:32.828 INFO [stderr]   --> src/main.rs:42:9
Nov 16 10:17:32.828 INFO [stderr]    |
Nov 16 10:17:32.828 INFO [stderr] 42 |     let y = 4;
Nov 16 10:17:32.828 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 10:17:32.828 INFO [stderr] 
Nov 16 10:17:32.828 INFO [stderr] warning: unused variable: `y`
Nov 16 10:17:32.828 INFO [stderr]   --> src/main.rs:45:9
Nov 16 10:17:32.828 INFO [stderr]    |
Nov 16 10:17:32.828 INFO [stderr] 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 16 10:17:32.828 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 10:17:32.828 INFO [stderr] 
Nov 16 10:17:32.828 INFO [stderr] warning: unused variable: `x`
Nov 16 10:17:32.828 INFO [stderr]   --> src/main.rs:60:9
Nov 16 10:17:32.828 INFO [stderr]    |
Nov 16 10:17:32.828 INFO [stderr] 60 |     let x = return_int_plus_1(1);
Nov 16 10:17:32.828 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 10:17:32.828 INFO [stderr] 
Nov 16 10:17:32.830 INFO [stderr] warning: function is never used: `diverges`
Nov 16 10:17:32.830 INFO [stderr]   --> src/main.rs:93:1
Nov 16 10:17:32.830 INFO [stderr]    |
Nov 16 10:17:32.830 INFO [stderr] 93 | fn diverges() -> ! {
Nov 16 10:17:32.830 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 16 10:17:32.830 INFO [stderr]    |
Nov 16 10:17:32.830 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 10:17:32.830 INFO [stderr] 
Nov 16 10:17:33.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Nov 16 10:17:33.108 INFO [stderr] su: No module specific data is present
Nov 16 10:17:33.446 INFO running `"docker" "inspect" "6c3ff54a065a86a00aa9ff270d703889865401786b932eb0a05f8c861556ecb0"`
Nov 16 10:17:33.526 INFO running `"docker" "rm" "-f" "6c3ff54a065a86a00aa9ff270d703889865401786b932eb0a05f8c861556ecb0"`
Nov 16 10:17:33.620 INFO [stdout] 6c3ff54a065a86a00aa9ff270d703889865401786b932eb0a05f8c861556ecb0
Nov 16 10:17:33.622 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 10:17:33.854 INFO [stdout] 85ce09b57e8880163a593b85acf00430b511585b1e65c6248f5374c0fab799ab
Nov 16 10:17:33.856 INFO running `"docker" "start" "-a" "85ce09b57e8880163a593b85acf00430b511585b1e65c6248f5374c0fab799ab"`
Nov 16 10:17:34.297 INFO [stderr] usermod: no changes
Nov 16 10:17:34.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 10:17:34.340 INFO [stderr]      Running /target/debug/deps/basics-d42e1447203f0177
Nov 16 10:17:34.342 INFO [stdout] 
Nov 16 10:17:34.342 INFO [stdout] running 0 tests
Nov 16 10:17:34.342 INFO [stdout] 
Nov 16 10:17:34.342 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 10:17:34.342 INFO [stdout] 
Nov 16 10:17:34.347 INFO [stderr] su: No module specific data is present
Nov 16 10:17:34.750 INFO running `"docker" "inspect" "85ce09b57e8880163a593b85acf00430b511585b1e65c6248f5374c0fab799ab"`
Nov 16 10:17:34.854 INFO running `"docker" "rm" "-f" "85ce09b57e8880163a593b85acf00430b511585b1e65c6248f5374c0fab799ab"`
Nov 16 10:17:34.938 INFO [stdout] 85ce09b57e8880163a593b85acf00430b511585b1e65c6248f5374c0fab799ab