Dec 06 08:40:08.890 INFO testing VoxWave/Compilers2018 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 08:40:08.891 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:40:09.454 INFO [stdout] dcbe4f4c1188bffb93ef5748f0729865cb683910b02e747176833715402cf4e8
Dec 06 08:40:09.456 INFO running `"docker" "start" "-a" "dcbe4f4c1188bffb93ef5748f0729865cb683910b02e747176833715402cf4e8"`
Dec 06 08:40:10.912 INFO [stderr] usermod: no changes
Dec 06 08:40:11.036 INFO [stderr]    Compiling char_stream v0.1.8
Dec 06 08:40:11.038 INFO [stderr]    Compiling num-complex v0.1.43
Dec 06 08:40:11.040 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 06 08:40:13.861 INFO [stderr]    Compiling num v0.1.42
Dec 06 08:40:15.652 INFO [stderr]    Compiling rayon v1.0.1
Dec 06 08:40:19.968 INFO [stderr]    Compiling minipl-compiler v0.1.0 (/source)
Dec 06 08:40:21.240 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 06 08:40:21.240 INFO [stderr]  --> src/main.rs:7:5
Dec 06 08:40:21.240 INFO [stderr]   |
Dec 06 08:40:21.240 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Dec 06 08:40:21.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:21.240 INFO [stderr]   |
Dec 06 08:40:21.240 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:40:21.240 INFO [stderr] 
Dec 06 08:40:21.240 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Dec 06 08:40:21.240 INFO [stderr]  --> src/main.rs:8:5
Dec 06 08:40:21.240 INFO [stderr]   |
Dec 06 08:40:21.240 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Dec 06 08:40:21.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:21.240 INFO [stderr] 
Dec 06 08:40:21.240 INFO [stderr] warning: unused import: `std::process::abort`
Dec 06 08:40:21.240 INFO [stderr]   --> src/main.rs:10:5
Dec 06 08:40:21.240 INFO [stderr]    |
Dec 06 08:40:21.240 INFO [stderr] 10 | use std::process::abort;
Dec 06 08:40:21.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:21.240 INFO [stderr] 
Dec 06 08:40:21.548 INFO [stderr] warning: unreachable pattern
Dec 06 08:40:21.548 INFO [stderr]    --> src/parser/mod.rs:255:17
Dec 06 08:40:21.548 INFO [stderr]     |
Dec 06 08:40:21.548 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Dec 06 08:40:21.548 INFO [stderr]     |                 ^
Dec 06 08:40:21.548 INFO [stderr]     |
Dec 06 08:40:21.548 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 06 08:40:21.548 INFO [stderr] 
Dec 06 08:40:21.548 INFO [stderr] warning: unused variable: `b`
Dec 06 08:40:21.548 INFO [stderr]    --> src/interpreter.rs:207:33
Dec 06 08:40:21.548 INFO [stderr]     |
Dec 06 08:40:21.548 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Dec 06 08:40:21.548 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Dec 06 08:40:21.548 INFO [stderr]     |
Dec 06 08:40:21.549 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 08:40:21.549 INFO [stderr] 
Dec 06 08:40:21.549 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:21.549 INFO [stderr]   --> src/main.rs:29:10
Dec 06 08:40:21.549 INFO [stderr]    |
Dec 06 08:40:21.549 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:21.549 INFO [stderr]    |          ----^^^^^^^^^^^
Dec 06 08:40:21.549 INFO [stderr]    |          |
Dec 06 08:40:21.549 INFO [stderr]    |          help: remove this `mut`
Dec 06 08:40:21.549 INFO [stderr]    |
Dec 06 08:40:21.549 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 08:40:21.549 INFO [stderr] 
Dec 06 08:40:21.549 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:21.549 INFO [stderr]   --> src/main.rs:29:27
Dec 06 08:40:21.549 INFO [stderr]    |
Dec 06 08:40:21.549 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:21.549 INFO [stderr]    |                           ----^^^^^^^^^^^
Dec 06 08:40:21.549 INFO [stderr]    |                           |
Dec 06 08:40:21.549 INFO [stderr]    |                           help: remove this `mut`
Dec 06 08:40:21.549 INFO [stderr] 
Dec 06 08:40:21.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:21.652 INFO [stderr]   --> src/main.rs:41:9
Dec 06 08:40:21.652 INFO [stderr]    |
Dec 06 08:40:21.652 INFO [stderr] 41 |         kill_switch.send(true);
Dec 06 08:40:21.652 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:21.652 INFO [stderr]    |
Dec 06 08:40:21.652 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 08:40:21.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:21.652 INFO [stderr] 
Dec 06 08:40:21.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:21.652 INFO [stderr]   --> src/main.rs:43:5
Dec 06 08:40:21.652 INFO [stderr]    |
Dec 06 08:40:21.652 INFO [stderr] 43 |     kill_signal.recv();
Dec 06 08:40:21.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:21.652 INFO [stderr]    |
Dec 06 08:40:21.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:21.652 INFO [stderr] 
Dec 06 08:40:24.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.75s
Dec 06 08:40:24.700 INFO [stderr] su: No module specific data is present
Dec 06 08:40:25.567 INFO running `"docker" "inspect" "dcbe4f4c1188bffb93ef5748f0729865cb683910b02e747176833715402cf4e8"`
Dec 06 08:40:25.928 INFO running `"docker" "rm" "-f" "dcbe4f4c1188bffb93ef5748f0729865cb683910b02e747176833715402cf4e8"`
Dec 06 08:40:26.216 INFO [stdout] dcbe4f4c1188bffb93ef5748f0729865cb683910b02e747176833715402cf4e8
Dec 06 08:40:26.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:40:26.712 INFO [stdout] 82a407cc626ef05a40a06d0210e7f1abb499fc6a7bed5942ed6f192426bf2d73
Dec 06 08:40:26.714 INFO running `"docker" "start" "-a" "82a407cc626ef05a40a06d0210e7f1abb499fc6a7bed5942ed6f192426bf2d73"`
Dec 06 08:40:28.140 INFO [stderr] usermod: no changes
Dec 06 08:40:28.220 INFO [stderr]    Compiling minipl-compiler v0.1.0 (/source)
Dec 06 08:40:29.576 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 06 08:40:29.576 INFO [stderr]  --> src/main.rs:7:5
Dec 06 08:40:29.576 INFO [stderr]   |
Dec 06 08:40:29.576 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Dec 06 08:40:29.576 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:29.576 INFO [stderr]   |
Dec 06 08:40:29.576 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:40:29.576 INFO [stderr] 
Dec 06 08:40:29.576 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Dec 06 08:40:29.576 INFO [stderr]  --> src/main.rs:8:5
Dec 06 08:40:29.576 INFO [stderr]   |
Dec 06 08:40:29.576 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Dec 06 08:40:29.576 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:29.576 INFO [stderr] 
Dec 06 08:40:29.576 INFO [stderr] warning: unused import: `std::process::abort`
Dec 06 08:40:29.576 INFO [stderr]   --> src/main.rs:10:5
Dec 06 08:40:29.576 INFO [stderr]    |
Dec 06 08:40:29.576 INFO [stderr] 10 | use std::process::abort;
Dec 06 08:40:29.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:29.576 INFO [stderr] 
Dec 06 08:40:29.874 INFO [stderr] warning: unreachable pattern
Dec 06 08:40:29.874 INFO [stderr]    --> src/parser/mod.rs:255:17
Dec 06 08:40:29.874 INFO [stderr]     |
Dec 06 08:40:29.874 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Dec 06 08:40:29.874 INFO [stderr]     |                 ^
Dec 06 08:40:29.874 INFO [stderr]     |
Dec 06 08:40:29.874 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 06 08:40:29.874 INFO [stderr] 
Dec 06 08:40:29.880 INFO [stderr] warning: unused variable: `b`
Dec 06 08:40:29.880 INFO [stderr]    --> src/interpreter.rs:207:33
Dec 06 08:40:29.880 INFO [stderr]     |
Dec 06 08:40:29.880 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Dec 06 08:40:29.880 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Dec 06 08:40:29.880 INFO [stderr]     |
Dec 06 08:40:29.880 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 08:40:29.880 INFO [stderr] 
Dec 06 08:40:29.884 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:29.884 INFO [stderr]   --> src/main.rs:29:27
Dec 06 08:40:29.884 INFO [stderr]    |
Dec 06 08:40:29.884 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:29.884 INFO [stderr]    |                           ----^^^^^^^^^^^
Dec 06 08:40:29.884 INFO [stderr]    |                           |
Dec 06 08:40:29.884 INFO [stderr]    |                           help: remove this `mut`
Dec 06 08:40:29.884 INFO [stderr]    |
Dec 06 08:40:29.884 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 08:40:29.884 INFO [stderr] 
Dec 06 08:40:29.884 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:29.884 INFO [stderr]   --> src/main.rs:29:10
Dec 06 08:40:29.884 INFO [stderr]    |
Dec 06 08:40:29.884 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:29.884 INFO [stderr]    |          ----^^^^^^^^^^^
Dec 06 08:40:29.884 INFO [stderr]    |          |
Dec 06 08:40:29.884 INFO [stderr]    |          help: remove this `mut`
Dec 06 08:40:29.884 INFO [stderr] 
Dec 06 08:40:29.964 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:29.964 INFO [stderr]   --> src/parser/test.rs:20:9
Dec 06 08:40:29.964 INFO [stderr]    |
Dec 06 08:40:29.964 INFO [stderr] 20 |     let mut expected: VecDeque<_> = vec![
Dec 06 08:40:29.964 INFO [stderr]    |         ----^^^^^^^^
Dec 06 08:40:29.964 INFO [stderr]    |         |
Dec 06 08:40:29.964 INFO [stderr]    |         help: remove this `mut`
Dec 06 08:40:29.964 INFO [stderr] 
Dec 06 08:40:29.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:29.992 INFO [stderr]   --> src/main.rs:41:9
Dec 06 08:40:29.992 INFO [stderr]    |
Dec 06 08:40:29.992 INFO [stderr] 41 |         kill_switch.send(true);
Dec 06 08:40:29.992 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:29.992 INFO [stderr]    |
Dec 06 08:40:29.992 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 08:40:29.992 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:29.993 INFO [stderr] 
Dec 06 08:40:29.993 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:29.993 INFO [stderr]   --> src/main.rs:43:5
Dec 06 08:40:29.993 INFO [stderr]    |
Dec 06 08:40:29.993 INFO [stderr] 43 |     kill_signal.recv();
Dec 06 08:40:29.993 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:29.993 INFO [stderr]    |
Dec 06 08:40:29.996 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:29.996 INFO [stderr] 
Dec 06 08:40:31.322 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
Dec 06 08:40:31.327 INFO [stderr] su: No module specific data is present
Dec 06 08:40:32.292 INFO running `"docker" "inspect" "82a407cc626ef05a40a06d0210e7f1abb499fc6a7bed5942ed6f192426bf2d73"`
Dec 06 08:40:32.586 INFO running `"docker" "rm" "-f" "82a407cc626ef05a40a06d0210e7f1abb499fc6a7bed5942ed6f192426bf2d73"`
Dec 06 08:40:32.879 INFO [stdout] 82a407cc626ef05a40a06d0210e7f1abb499fc6a7bed5942ed6f192426bf2d73
Dec 06 08:40:32.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:40:33.370 INFO [stdout] 82bd982f31896a9cc40b7d3b3d0273c0f0047b0602f8bb385b7160a7ec59c775
Dec 06 08:40:33.372 INFO running `"docker" "start" "-a" "82bd982f31896a9cc40b7d3b3d0273c0f0047b0602f8bb385b7160a7ec59c775"`
Dec 06 08:40:35.276 INFO [stderr] usermod: no changes
Dec 06 08:40:35.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 06 08:40:35.408 INFO [stderr]      Running /target/debug/deps/minipl_compiler-2687630295c0a506
Dec 06 08:40:35.408 INFO [stdout] 
Dec 06 08:40:35.408 INFO [stdout] running 4 tests
Dec 06 08:40:35.416 INFO [stdout] test scanner::test::example_program_1 ... ok
Dec 06 08:40:35.416 INFO [stderr] su: No module specific data is present
Dec 06 08:40:35.416 INFO [stdout] test scanner::test::example_program_3 ... ok
Dec 06 08:40:35.416 INFO [stdout] test scanner::test::example_program_2 ... ok
Dec 06 08:40:35.416 INFO [stdout] test parser::test::example_program_2 ... ok
Dec 06 08:40:35.416 INFO [stdout] 
Dec 06 08:40:35.416 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:40:35.416 INFO [stdout] 
Dec 06 08:40:36.391 INFO running `"docker" "inspect" "82bd982f31896a9cc40b7d3b3d0273c0f0047b0602f8bb385b7160a7ec59c775"`
Dec 06 08:40:36.832 INFO running `"docker" "rm" "-f" "82bd982f31896a9cc40b7d3b3d0273c0f0047b0602f8bb385b7160a7ec59c775"`
Dec 06 08:40:37.183 INFO [stdout] 82bd982f31896a9cc40b7d3b3d0273c0f0047b0602f8bb385b7160a7ec59c775