Dec 14 04:46:36.531 INFO testing VoxWave/Compilers2018 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 04:46:36.531 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 04:46:37.042 INFO [stdout] 62dfeb7de20c57daa3f7ebad9ecf5238637cdc11436fc2db3e0323c3875d1074
Dec 14 04:46:37.045 INFO running `"docker" "start" "-a" "62dfeb7de20c57daa3f7ebad9ecf5238637cdc11436fc2db3e0323c3875d1074"`
Dec 14 04:46:38.299 INFO [stderr] usermod: no changes
Dec 14 04:46:38.483 INFO [stderr]    Compiling char_stream v0.1.8
Dec 14 04:46:38.483 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 14 04:46:42.359 INFO [stderr]    Compiling rayon v1.0.1
Dec 14 04:46:46.824 INFO [stderr]    Compiling minipl-compiler v0.1.0 (/source)
Dec 14 04:46:48.306 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 14 04:46:48.306 INFO [stderr]  --> src/main.rs:7:5
Dec 14 04:46:48.306 INFO [stderr]   |
Dec 14 04:46:48.306 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Dec 14 04:46:48.306 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:48.306 INFO [stderr]   |
Dec 14 04:46:48.306 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:46:48.306 INFO [stderr] 
Dec 14 04:46:48.306 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Dec 14 04:46:48.306 INFO [stderr]  --> src/main.rs:8:5
Dec 14 04:46:48.306 INFO [stderr]   |
Dec 14 04:46:48.306 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Dec 14 04:46:48.306 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:48.306 INFO [stderr] 
Dec 14 04:46:48.306 INFO [stderr] warning: unused import: `std::process::abort`
Dec 14 04:46:48.306 INFO [stderr]   --> src/main.rs:10:5
Dec 14 04:46:48.306 INFO [stderr]    |
Dec 14 04:46:48.306 INFO [stderr] 10 | use std::process::abort;
Dec 14 04:46:48.306 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:48.306 INFO [stderr] 
Dec 14 04:46:48.673 INFO [stderr] warning: unreachable pattern
Dec 14 04:46:48.673 INFO [stderr]    --> src/parser/mod.rs:255:17
Dec 14 04:46:48.673 INFO [stderr]     |
Dec 14 04:46:48.673 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Dec 14 04:46:48.673 INFO [stderr]     |                 ^
Dec 14 04:46:48.673 INFO [stderr]     |
Dec 14 04:46:48.674 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 14 04:46:48.674 INFO [stderr] 
Dec 14 04:46:48.683 INFO [stderr] warning: unused variable: `b`
Dec 14 04:46:48.683 INFO [stderr]    --> src/interpreter.rs:207:33
Dec 14 04:46:48.683 INFO [stderr]     |
Dec 14 04:46:48.683 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Dec 14 04:46:48.683 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Dec 14 04:46:48.683 INFO [stderr]     |
Dec 14 04:46:48.683 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 04:46:48.683 INFO [stderr] 
Dec 14 04:46:48.683 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:46:48.683 INFO [stderr]   --> src/main.rs:29:10
Dec 14 04:46:48.683 INFO [stderr]    |
Dec 14 04:46:48.683 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 14 04:46:48.683 INFO [stderr]    |          ----^^^^^^^^^^^
Dec 14 04:46:48.683 INFO [stderr]    |          |
Dec 14 04:46:48.683 INFO [stderr]    |          help: remove this `mut`
Dec 14 04:46:48.683 INFO [stderr]    |
Dec 14 04:46:48.683 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 04:46:48.683 INFO [stderr] 
Dec 14 04:46:48.683 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:46:48.683 INFO [stderr]   --> src/main.rs:29:27
Dec 14 04:46:48.683 INFO [stderr]    |
Dec 14 04:46:48.683 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 14 04:46:48.683 INFO [stderr]    |                           ----^^^^^^^^^^^
Dec 14 04:46:48.683 INFO [stderr]    |                           |
Dec 14 04:46:48.683 INFO [stderr]    |                           help: remove this `mut`
Dec 14 04:46:48.683 INFO [stderr] 
Dec 14 04:46:48.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:46:48.876 INFO [stderr]   --> src/main.rs:41:9
Dec 14 04:46:48.876 INFO [stderr]    |
Dec 14 04:46:48.876 INFO [stderr] 41 |         kill_switch.send(true);
Dec 14 04:46:48.876 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:48.876 INFO [stderr]    |
Dec 14 04:46:48.876 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 04:46:48.876 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:46:48.876 INFO [stderr] 
Dec 14 04:46:48.876 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:46:48.876 INFO [stderr]   --> src/main.rs:43:5
Dec 14 04:46:48.876 INFO [stderr]    |
Dec 14 04:46:48.876 INFO [stderr] 43 |     kill_signal.recv();
Dec 14 04:46:48.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:48.876 INFO [stderr]    |
Dec 14 04:46:48.876 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:46:48.876 INFO [stderr] 
Dec 14 04:46:52.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.86s
Dec 14 04:46:52.195 INFO [stderr] su: No module specific data is present
Dec 14 04:46:53.255 INFO running `"docker" "inspect" "62dfeb7de20c57daa3f7ebad9ecf5238637cdc11436fc2db3e0323c3875d1074"`
Dec 14 04:46:53.628 INFO running `"docker" "rm" "-f" "62dfeb7de20c57daa3f7ebad9ecf5238637cdc11436fc2db3e0323c3875d1074"`
Dec 14 04:46:54.004 INFO [stdout] 62dfeb7de20c57daa3f7ebad9ecf5238637cdc11436fc2db3e0323c3875d1074
Dec 14 04:46:54.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 04:46:54.483 INFO [stdout] ca00bc8c1c1e8d7176b2c4aff14509dd33aa77202c5de874c48c2530aa6896da
Dec 14 04:46:54.488 INFO running `"docker" "start" "-a" "ca00bc8c1c1e8d7176b2c4aff14509dd33aa77202c5de874c48c2530aa6896da"`
Dec 14 04:46:56.094 INFO [stderr] usermod: no changes
Dec 14 04:46:56.219 INFO [stderr]    Compiling minipl-compiler v0.1.0 (/source)
Dec 14 04:46:57.798 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 14 04:46:57.798 INFO [stderr]  --> src/main.rs:7:5
Dec 14 04:46:57.798 INFO [stderr]   |
Dec 14 04:46:57.798 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Dec 14 04:46:57.798 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:57.798 INFO [stderr]   |
Dec 14 04:46:57.798 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:46:57.798 INFO [stderr] 
Dec 14 04:46:57.798 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Dec 14 04:46:57.798 INFO [stderr]  --> src/main.rs:8:5
Dec 14 04:46:57.798 INFO [stderr]   |
Dec 14 04:46:57.798 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Dec 14 04:46:57.798 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:57.798 INFO [stderr] 
Dec 14 04:46:57.798 INFO [stderr] warning: unused import: `std::process::abort`
Dec 14 04:46:57.799 INFO [stderr]   --> src/main.rs:10:5
Dec 14 04:46:57.799 INFO [stderr]    |
Dec 14 04:46:57.799 INFO [stderr] 10 | use std::process::abort;
Dec 14 04:46:57.799 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:57.799 INFO [stderr] 
Dec 14 04:46:58.115 INFO [stderr] warning: unreachable pattern
Dec 14 04:46:58.115 INFO [stderr]    --> src/parser/mod.rs:255:17
Dec 14 04:46:58.115 INFO [stderr]     |
Dec 14 04:46:58.115 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Dec 14 04:46:58.115 INFO [stderr]     |                 ^
Dec 14 04:46:58.115 INFO [stderr]     |
Dec 14 04:46:58.115 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 14 04:46:58.115 INFO [stderr] 
Dec 14 04:46:58.122 INFO [stderr] warning: unused variable: `b`
Dec 14 04:46:58.122 INFO [stderr]    --> src/interpreter.rs:207:33
Dec 14 04:46:58.123 INFO [stderr]     |
Dec 14 04:46:58.123 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Dec 14 04:46:58.123 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Dec 14 04:46:58.123 INFO [stderr]     |
Dec 14 04:46:58.123 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 14 04:46:58.123 INFO [stderr] 
Dec 14 04:46:58.127 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:46:58.127 INFO [stderr]   --> src/main.rs:29:27
Dec 14 04:46:58.127 INFO [stderr]    |
Dec 14 04:46:58.127 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 14 04:46:58.127 INFO [stderr]    |                           ----^^^^^^^^^^^
Dec 14 04:46:58.127 INFO [stderr]    |                           |
Dec 14 04:46:58.127 INFO [stderr]    |                           help: remove this `mut`
Dec 14 04:46:58.127 INFO [stderr]    |
Dec 14 04:46:58.127 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 04:46:58.127 INFO [stderr] 
Dec 14 04:46:58.127 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:46:58.127 INFO [stderr]   --> src/main.rs:29:10
Dec 14 04:46:58.127 INFO [stderr]    |
Dec 14 04:46:58.127 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 14 04:46:58.127 INFO [stderr]    |          ----^^^^^^^^^^^
Dec 14 04:46:58.127 INFO [stderr]    |          |
Dec 14 04:46:58.127 INFO [stderr]    |          help: remove this `mut`
Dec 14 04:46:58.127 INFO [stderr] 
Dec 14 04:46:58.211 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:46:58.211 INFO [stderr]   --> src/parser/test.rs:20:9
Dec 14 04:46:58.211 INFO [stderr]    |
Dec 14 04:46:58.211 INFO [stderr] 20 |     let mut expected: VecDeque<_> = vec![
Dec 14 04:46:58.211 INFO [stderr]    |         ----^^^^^^^^
Dec 14 04:46:58.211 INFO [stderr]    |         |
Dec 14 04:46:58.211 INFO [stderr]    |         help: remove this `mut`
Dec 14 04:46:58.211 INFO [stderr] 
Dec 14 04:46:58.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:46:58.243 INFO [stderr]   --> src/main.rs:41:9
Dec 14 04:46:58.243 INFO [stderr]    |
Dec 14 04:46:58.243 INFO [stderr] 41 |         kill_switch.send(true);
Dec 14 04:46:58.243 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:58.243 INFO [stderr]    |
Dec 14 04:46:58.243 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 04:46:58.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:46:58.243 INFO [stderr] 
Dec 14 04:46:58.243 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:46:58.243 INFO [stderr]   --> src/main.rs:43:5
Dec 14 04:46:58.243 INFO [stderr]    |
Dec 14 04:46:58.243 INFO [stderr] 43 |     kill_signal.recv();
Dec 14 04:46:58.243 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:46:58.243 INFO [stderr]    |
Dec 14 04:46:58.243 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:46:58.243 INFO [stderr] 
Dec 14 04:46:59.715 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
Dec 14 04:46:59.719 INFO [stderr] su: No module specific data is present
Dec 14 04:47:00.444 INFO running `"docker" "inspect" "ca00bc8c1c1e8d7176b2c4aff14509dd33aa77202c5de874c48c2530aa6896da"`
Dec 14 04:47:00.767 INFO running `"docker" "rm" "-f" "ca00bc8c1c1e8d7176b2c4aff14509dd33aa77202c5de874c48c2530aa6896da"`
Dec 14 04:47:01.127 INFO [stdout] ca00bc8c1c1e8d7176b2c4aff14509dd33aa77202c5de874c48c2530aa6896da
Dec 14 04:47:01.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 04:47:01.645 INFO [stdout] 7a9ef2108c0913c08b11960b94651c977b0f395b88c40156b439f086932ce60d
Dec 14 04:47:01.647 INFO running `"docker" "start" "-a" "7a9ef2108c0913c08b11960b94651c977b0f395b88c40156b439f086932ce60d"`
Dec 14 04:47:03.476 INFO [stderr] usermod: no changes
Dec 14 04:47:03.541 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 14 04:47:03.557 INFO [stderr]      Running /target/debug/deps/minipl_compiler-1a4f5c551c5dacbc
Dec 14 04:47:03.560 INFO [stdout] 
Dec 14 04:47:03.560 INFO [stdout] running 4 tests
Dec 14 04:47:03.562 INFO [stdout] test scanner::test::example_program_3 ... ok
Dec 14 04:47:03.562 INFO [stdout] test scanner::test::example_program_2 ... ok
Dec 14 04:47:03.563 INFO [stdout] test scanner::test::example_program_1 ... ok
Dec 14 04:47:03.563 INFO [stdout] test parser::test::example_program_2 ... ok
Dec 14 04:47:03.564 INFO [stdout] 
Dec 14 04:47:03.564 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:47:03.564 INFO [stdout] 
Dec 14 04:47:03.571 INFO [stderr] su: No module specific data is present
Dec 14 04:47:04.686 INFO running `"docker" "inspect" "7a9ef2108c0913c08b11960b94651c977b0f395b88c40156b439f086932ce60d"`
Dec 14 04:47:05.016 INFO running `"docker" "rm" "-f" "7a9ef2108c0913c08b11960b94651c977b0f395b88c40156b439f086932ce60d"`
Dec 14 04:47:05.378 INFO [stdout] 7a9ef2108c0913c08b11960b94651c977b0f395b88c40156b439f086932ce60d