Dec 06 08:40:19.888 INFO testing VoxWave/Compilers2018 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 08:40:19.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 08:40:20.451 INFO [stdout] 23327a7da63b4de880be3aaf52253a22c26117607fa8cfa658ab6306720be118
Dec 06 08:40:20.454 INFO running `"docker" "start" "-a" "23327a7da63b4de880be3aaf52253a22c26117607fa8cfa658ab6306720be118"`
Dec 06 08:40:21.800 INFO [stderr] usermod: no changes
Dec 06 08:40:21.946 INFO [stderr]    Compiling char_stream v0.1.8
Dec 06 08:40:21.947 INFO [stderr]    Compiling num-complex v0.1.43
Dec 06 08:40:21.947 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 06 08:40:21.949 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 06 08:40:26.704 INFO [stderr]    Compiling rayon v1.0.1
Dec 06 08:40:28.073 INFO [stderr]    Compiling num-rational v0.1.42
Dec 06 08:40:30.909 INFO [stderr]    Compiling num v0.1.42
Dec 06 08:40:32.680 INFO [stderr]    Compiling minipl-compiler v0.1.0 (/source)
Dec 06 08:40:34.036 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 06 08:40:34.036 INFO [stderr]  --> src/main.rs:7:5
Dec 06 08:40:34.036 INFO [stderr]   |
Dec 06 08:40:34.036 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Dec 06 08:40:34.036 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:34.036 INFO [stderr]   |
Dec 06 08:40:34.036 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:40:34.036 INFO [stderr] 
Dec 06 08:40:34.036 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Dec 06 08:40:34.036 INFO [stderr]  --> src/main.rs:8:5
Dec 06 08:40:34.036 INFO [stderr]   |
Dec 06 08:40:34.036 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Dec 06 08:40:34.036 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:34.036 INFO [stderr] 
Dec 06 08:40:34.036 INFO [stderr] warning: unused import: `std::process::abort`
Dec 06 08:40:34.036 INFO [stderr]   --> src/main.rs:10:5
Dec 06 08:40:34.036 INFO [stderr]    |
Dec 06 08:40:34.036 INFO [stderr] 10 | use std::process::abort;
Dec 06 08:40:34.036 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:34.036 INFO [stderr] 
Dec 06 08:40:34.312 INFO [stderr] warning: unreachable pattern
Dec 06 08:40:34.312 INFO [stderr]    --> src/parser/mod.rs:255:17
Dec 06 08:40:34.312 INFO [stderr]     |
Dec 06 08:40:34.312 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Dec 06 08:40:34.312 INFO [stderr]     |                 ^
Dec 06 08:40:34.312 INFO [stderr]     |
Dec 06 08:40:34.312 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 06 08:40:34.312 INFO [stderr] 
Dec 06 08:40:34.314 INFO [stderr] warning: unused variable: `b`
Dec 06 08:40:34.314 INFO [stderr]    --> src/interpreter.rs:207:33
Dec 06 08:40:34.314 INFO [stderr]     |
Dec 06 08:40:34.314 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Dec 06 08:40:34.314 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Dec 06 08:40:34.314 INFO [stderr]     |
Dec 06 08:40:34.314 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 08:40:34.314 INFO [stderr] 
Dec 06 08:40:34.314 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:34.314 INFO [stderr]   --> src/main.rs:29:10
Dec 06 08:40:34.314 INFO [stderr]    |
Dec 06 08:40:34.314 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:34.314 INFO [stderr]    |          ----^^^^^^^^^^^
Dec 06 08:40:34.314 INFO [stderr]    |          |
Dec 06 08:40:34.314 INFO [stderr]    |          help: remove this `mut`
Dec 06 08:40:34.315 INFO [stderr]    |
Dec 06 08:40:34.315 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 08:40:34.315 INFO [stderr] 
Dec 06 08:40:34.315 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:34.315 INFO [stderr]   --> src/main.rs:29:27
Dec 06 08:40:34.315 INFO [stderr]    |
Dec 06 08:40:34.315 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:34.315 INFO [stderr]    |                           ----^^^^^^^^^^^
Dec 06 08:40:34.315 INFO [stderr]    |                           |
Dec 06 08:40:34.315 INFO [stderr]    |                           help: remove this `mut`
Dec 06 08:40:34.315 INFO [stderr] 
Dec 06 08:40:34.419 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:34.419 INFO [stderr]   --> src/main.rs:41:9
Dec 06 08:40:34.419 INFO [stderr]    |
Dec 06 08:40:34.419 INFO [stderr] 41 |         kill_switch.send(true);
Dec 06 08:40:34.419 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:34.419 INFO [stderr]    |
Dec 06 08:40:34.420 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 08:40:34.420 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:34.420 INFO [stderr] 
Dec 06 08:40:34.420 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:34.420 INFO [stderr]   --> src/main.rs:43:5
Dec 06 08:40:34.420 INFO [stderr]    |
Dec 06 08:40:34.420 INFO [stderr] 43 |     kill_signal.recv();
Dec 06 08:40:34.420 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:34.420 INFO [stderr]    |
Dec 06 08:40:34.420 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:34.420 INFO [stderr] 
Dec 06 08:40:37.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.54s
Dec 06 08:40:37.372 INFO [stderr] su: No module specific data is present
Dec 06 08:40:38.214 INFO running `"docker" "inspect" "23327a7da63b4de880be3aaf52253a22c26117607fa8cfa658ab6306720be118"`
Dec 06 08:40:38.544 INFO running `"docker" "rm" "-f" "23327a7da63b4de880be3aaf52253a22c26117607fa8cfa658ab6306720be118"`
Dec 06 08:40:38.836 INFO [stdout] 23327a7da63b4de880be3aaf52253a22c26117607fa8cfa658ab6306720be118
Dec 06 08:40:38.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 08:40:39.272 INFO [stdout] 3895730ed7b12507f65e7ec7fa1fb80000dcd45db48ad7a39d201f91296e1aae
Dec 06 08:40:39.276 INFO running `"docker" "start" "-a" "3895730ed7b12507f65e7ec7fa1fb80000dcd45db48ad7a39d201f91296e1aae"`
Dec 06 08:40:40.768 INFO [stderr] usermod: no changes
Dec 06 08:40:40.868 INFO [stderr]    Compiling minipl-compiler v0.1.0 (/source)
Dec 06 08:40:42.232 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Dec 06 08:40:42.232 INFO [stderr]  --> src/main.rs:7:5
Dec 06 08:40:42.232 INFO [stderr]   |
Dec 06 08:40:42.232 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Dec 06 08:40:42.232 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:42.232 INFO [stderr]   |
Dec 06 08:40:42.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 08:40:42.232 INFO [stderr] 
Dec 06 08:40:42.232 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Dec 06 08:40:42.232 INFO [stderr]  --> src/main.rs:8:5
Dec 06 08:40:42.232 INFO [stderr]   |
Dec 06 08:40:42.232 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Dec 06 08:40:42.232 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:42.232 INFO [stderr] 
Dec 06 08:40:42.232 INFO [stderr] warning: unused import: `std::process::abort`
Dec 06 08:40:42.232 INFO [stderr]   --> src/main.rs:10:5
Dec 06 08:40:42.232 INFO [stderr]    |
Dec 06 08:40:42.232 INFO [stderr] 10 | use std::process::abort;
Dec 06 08:40:42.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:42.232 INFO [stderr] 
Dec 06 08:40:42.523 INFO [stderr] warning: unreachable pattern
Dec 06 08:40:42.523 INFO [stderr]    --> src/parser/mod.rs:255:17
Dec 06 08:40:42.523 INFO [stderr]     |
Dec 06 08:40:42.523 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Dec 06 08:40:42.523 INFO [stderr]     |                 ^
Dec 06 08:40:42.523 INFO [stderr]     |
Dec 06 08:40:42.523 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 06 08:40:42.523 INFO [stderr] 
Dec 06 08:40:42.527 INFO [stderr] warning: unused variable: `b`
Dec 06 08:40:42.527 INFO [stderr]    --> src/interpreter.rs:207:33
Dec 06 08:40:42.527 INFO [stderr]     |
Dec 06 08:40:42.527 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Dec 06 08:40:42.527 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Dec 06 08:40:42.527 INFO [stderr]     |
Dec 06 08:40:42.527 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 08:40:42.527 INFO [stderr] 
Dec 06 08:40:42.531 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:42.531 INFO [stderr]   --> src/main.rs:29:27
Dec 06 08:40:42.531 INFO [stderr]    |
Dec 06 08:40:42.531 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:42.531 INFO [stderr]    |                           ----^^^^^^^^^^^
Dec 06 08:40:42.531 INFO [stderr]    |                           |
Dec 06 08:40:42.531 INFO [stderr]    |                           help: remove this `mut`
Dec 06 08:40:42.531 INFO [stderr]    |
Dec 06 08:40:42.531 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 08:40:42.531 INFO [stderr] 
Dec 06 08:40:42.536 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:42.536 INFO [stderr]   --> src/main.rs:29:10
Dec 06 08:40:42.536 INFO [stderr]    |
Dec 06 08:40:42.536 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Dec 06 08:40:42.536 INFO [stderr]    |          ----^^^^^^^^^^^
Dec 06 08:40:42.536 INFO [stderr]    |          |
Dec 06 08:40:42.536 INFO [stderr]    |          help: remove this `mut`
Dec 06 08:40:42.536 INFO [stderr] 
Dec 06 08:40:42.620 INFO [stderr] warning: variable does not need to be mutable
Dec 06 08:40:42.620 INFO [stderr]   --> src/parser/test.rs:20:9
Dec 06 08:40:42.620 INFO [stderr]    |
Dec 06 08:40:42.620 INFO [stderr] 20 |     let mut expected: VecDeque<_> = vec![
Dec 06 08:40:42.620 INFO [stderr]    |         ----^^^^^^^^
Dec 06 08:40:42.620 INFO [stderr]    |         |
Dec 06 08:40:42.620 INFO [stderr]    |         help: remove this `mut`
Dec 06 08:40:42.620 INFO [stderr] 
Dec 06 08:40:42.648 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:42.648 INFO [stderr]   --> src/main.rs:41:9
Dec 06 08:40:42.648 INFO [stderr]    |
Dec 06 08:40:42.648 INFO [stderr] 41 |         kill_switch.send(true);
Dec 06 08:40:42.648 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:42.648 INFO [stderr]    |
Dec 06 08:40:42.648 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 08:40:42.648 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:42.648 INFO [stderr] 
Dec 06 08:40:42.648 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 08:40:42.648 INFO [stderr]   --> src/main.rs:43:5
Dec 06 08:40:42.648 INFO [stderr]    |
Dec 06 08:40:42.648 INFO [stderr] 43 |     kill_signal.recv();
Dec 06 08:40:42.648 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 08:40:42.648 INFO [stderr]    |
Dec 06 08:40:42.648 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 08:40:42.648 INFO [stderr] 
Dec 06 08:40:43.813 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
Dec 06 08:40:43.821 INFO [stderr] su: No module specific data is present
Dec 06 08:40:44.396 INFO running `"docker" "inspect" "3895730ed7b12507f65e7ec7fa1fb80000dcd45db48ad7a39d201f91296e1aae"`
Dec 06 08:40:44.774 INFO running `"docker" "rm" "-f" "3895730ed7b12507f65e7ec7fa1fb80000dcd45db48ad7a39d201f91296e1aae"`
Dec 06 08:40:45.023 INFO [stdout] 3895730ed7b12507f65e7ec7fa1fb80000dcd45db48ad7a39d201f91296e1aae
Dec 06 08:40:45.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 08:40:45.498 INFO [stdout] ae121d0b0592f8842e62a84906eca8e26815158e26e74ad38c26f4a03f87369d
Dec 06 08:40:45.501 INFO running `"docker" "start" "-a" "ae121d0b0592f8842e62a84906eca8e26815158e26e74ad38c26f4a03f87369d"`
Dec 06 08:40:47.041 INFO [stderr] usermod: no changes
Dec 06 08:40:47.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 06 08:40:47.145 INFO [stderr]      Running /target/debug/deps/minipl_compiler-858a14a0feb4bee7
Dec 06 08:40:47.148 INFO [stdout] 
Dec 06 08:40:47.148 INFO [stdout] running 4 tests
Dec 06 08:40:47.148 INFO [stdout] test scanner::test::example_program_3 ... ok
Dec 06 08:40:47.148 INFO [stdout] test scanner::test::example_program_2 ... ok
Dec 06 08:40:47.148 INFO [stdout] test scanner::test::example_program_1 ... ok
Dec 06 08:40:47.148 INFO [stdout] test parser::test::example_program_2 ... ok
Dec 06 08:40:47.148 INFO [stdout] 
Dec 06 08:40:47.148 INFO [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 08:40:47.148 INFO [stdout] 
Dec 06 08:40:47.150 INFO [stderr] su: No module specific data is present
Dec 06 08:40:48.078 INFO running `"docker" "inspect" "ae121d0b0592f8842e62a84906eca8e26815158e26e74ad38c26f4a03f87369d"`
Dec 06 08:40:48.278 INFO running `"docker" "rm" "-f" "ae121d0b0592f8842e62a84906eca8e26815158e26e74ad38c26f4a03f87369d"`
Dec 06 08:40:48.636 INFO [stdout] ae121d0b0592f8842e62a84906eca8e26815158e26e74ad38c26f4a03f87369d