Nov 30 08:01:21.188 INFO checking VoxWave/Compilers2018 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:01:21.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 30 08:01:21.736 INFO [stdout] 52581e2c6a0f55c6636d14d8d5f2de5399510eb6287ededdcf992054b8f0057f
Nov 30 08:01:21.738 INFO running `"docker" "start" "-a" "52581e2c6a0f55c6636d14d8d5f2de5399510eb6287ededdcf992054b8f0057f"`
Nov 30 08:01:23.579 INFO [stderr] usermod: no changes
Nov 30 08:01:23.726 INFO [stderr]     Checking char_stream v0.1.8
Nov 30 08:01:23.726 INFO [stderr]     Checking num-complex v0.1.43
Nov 30 08:01:23.726 INFO [stderr]     Checking rayon-core v1.4.0
Nov 30 08:01:25.811 INFO [stderr]     Checking num v0.1.42
Nov 30 08:01:26.131 INFO [stderr]     Checking rayon v1.0.1
Nov 30 08:01:30.312 INFO [stderr]     Checking minipl-compiler v0.1.0 (/source)
Nov 30 08:01:31.644 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Nov 30 08:01:31.645 INFO [stderr]  --> src/main.rs:7:5
Nov 30 08:01:31.645 INFO [stderr]   |
Nov 30 08:01:31.645 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Nov 30 08:01:31.645 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:31.646 INFO [stderr]   |
Nov 30 08:01:31.646 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:01:31.646 INFO [stderr] 
Nov 30 08:01:31.646 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Nov 30 08:01:31.647 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:01:31.647 INFO [stderr]   |
Nov 30 08:01:31.647 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Nov 30 08:01:31.647 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:31.647 INFO [stderr] 
Nov 30 08:01:31.648 INFO [stderr] warning: unused import: `std::process::abort`
Nov 30 08:01:31.648 INFO [stderr]   --> src/main.rs:10:5
Nov 30 08:01:31.648 INFO [stderr]    |
Nov 30 08:01:31.648 INFO [stderr] 10 | use std::process::abort;
Nov 30 08:01:31.649 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:31.649 INFO [stderr] 
Nov 30 08:01:31.920 INFO [stderr] warning: unreachable pattern
Nov 30 08:01:31.920 INFO [stderr]    --> src/parser/mod.rs:255:17
Nov 30 08:01:31.920 INFO [stderr]     |
Nov 30 08:01:31.921 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Nov 30 08:01:31.921 INFO [stderr]     |                 ^
Nov 30 08:01:31.921 INFO [stderr]     |
Nov 30 08:01:31.922 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Nov 30 08:01:31.922 INFO [stderr] 
Nov 30 08:01:31.936 INFO [stderr] warning: unused variable: `b`
Nov 30 08:01:31.937 INFO [stderr]    --> src/interpreter.rs:207:33
Nov 30 08:01:31.937 INFO [stderr]     |
Nov 30 08:01:31.937 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Nov 30 08:01:31.938 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Nov 30 08:01:31.938 INFO [stderr]     |
Nov 30 08:01:31.938 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 08:01:31.938 INFO [stderr] 
Nov 30 08:01:31.938 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:01:31.938 INFO [stderr]   --> src/main.rs:29:10
Nov 30 08:01:31.938 INFO [stderr]    |
Nov 30 08:01:31.938 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Nov 30 08:01:31.938 INFO [stderr]    |          ----^^^^^^^^^^^
Nov 30 08:01:31.938 INFO [stderr]    |          |
Nov 30 08:01:31.938 INFO [stderr]    |          help: remove this `mut`
Nov 30 08:01:31.938 INFO [stderr]    |
Nov 30 08:01:31.938 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 08:01:31.938 INFO [stderr] 
Nov 30 08:01:31.938 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:01:31.938 INFO [stderr]   --> src/main.rs:29:27
Nov 30 08:01:31.938 INFO [stderr]    |
Nov 30 08:01:31.938 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Nov 30 08:01:31.938 INFO [stderr]    |                           ----^^^^^^^^^^^
Nov 30 08:01:31.938 INFO [stderr]    |                           |
Nov 30 08:01:31.938 INFO [stderr]    |                           help: remove this `mut`
Nov 30 08:01:31.938 INFO [stderr] 
Nov 30 08:01:32.026 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:32.027 INFO [stderr]   --> src/main.rs:41:9
Nov 30 08:01:32.027 INFO [stderr]    |
Nov 30 08:01:32.027 INFO [stderr] 41 |         kill_switch.send(true);
Nov 30 08:01:32.027 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:32.027 INFO [stderr]    |
Nov 30 08:01:32.027 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:01:32.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:32.027 INFO [stderr] 
Nov 30 08:01:32.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:32.027 INFO [stderr]   --> src/main.rs:43:5
Nov 30 08:01:32.027 INFO [stderr]    |
Nov 30 08:01:32.027 INFO [stderr] 43 |     kill_signal.recv();
Nov 30 08:01:32.027 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:32.027 INFO [stderr]    |
Nov 30 08:01:32.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:32.027 INFO [stderr] 
Nov 30 08:01:32.676 INFO [stderr] warning: unused import: `std::sync::mpsc::Sender`
Nov 30 08:01:32.676 INFO [stderr]  --> src/main.rs:7:5
Nov 30 08:01:32.676 INFO [stderr]   |
Nov 30 08:01:32.676 INFO [stderr] 7 | use std::sync::mpsc::Sender;
Nov 30 08:01:32.676 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:32.676 INFO [stderr]   |
Nov 30 08:01:32.676 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:01:32.676 INFO [stderr] 
Nov 30 08:01:32.676 INFO [stderr] warning: unused import: `std::sync::mpsc::Receiver`
Nov 30 08:01:32.676 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:01:32.676 INFO [stderr]   |
Nov 30 08:01:32.676 INFO [stderr] 8 | use std::sync::mpsc::Receiver;
Nov 30 08:01:32.676 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:32.676 INFO [stderr] 
Nov 30 08:01:32.676 INFO [stderr] warning: unused import: `std::process::abort`
Nov 30 08:01:32.676 INFO [stderr]   --> src/main.rs:10:5
Nov 30 08:01:32.676 INFO [stderr]    |
Nov 30 08:01:32.676 INFO [stderr] 10 | use std::process::abort;
Nov 30 08:01:32.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:32.676 INFO [stderr] 
Nov 30 08:01:32.998 INFO [stderr] warning: unreachable pattern
Nov 30 08:01:32.999 INFO [stderr]    --> src/parser/mod.rs:255:17
Nov 30 08:01:32.999 INFO [stderr]     |
Nov 30 08:01:33.004 INFO [stderr] 255 |                 _ => panic!("unexpected Token {:#?} read during", t),
Nov 30 08:01:33.004 INFO [stderr]     |                 ^
Nov 30 08:01:33.004 INFO [stderr]     |
Nov 30 08:01:33.004 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Nov 30 08:01:33.004 INFO [stderr] 
Nov 30 08:01:33.004 INFO [stderr] warning: unused variable: `b`
Nov 30 08:01:33.004 INFO [stderr]    --> src/interpreter.rs:207:33
Nov 30 08:01:33.004 INFO [stderr]     |
Nov 30 08:01:33.004 INFO [stderr] 207 |                     Value::Bool(b) => panic!("boolean printing is not supported"),
Nov 30 08:01:33.004 INFO [stderr]     |                                 ^ help: consider using `_b` instead
Nov 30 08:01:33.004 INFO [stderr]     |
Nov 30 08:01:33.004 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 08:01:33.004 INFO [stderr] 
Nov 30 08:01:33.006 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:01:33.006 INFO [stderr]   --> src/main.rs:29:27
Nov 30 08:01:33.006 INFO [stderr]    |
Nov 30 08:01:33.006 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Nov 30 08:01:33.006 INFO [stderr]    |                           ----^^^^^^^^^^^
Nov 30 08:01:33.006 INFO [stderr]    |                           |
Nov 30 08:01:33.006 INFO [stderr]    |                           help: remove this `mut`
Nov 30 08:01:33.006 INFO [stderr]    |
Nov 30 08:01:33.006 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 08:01:33.006 INFO [stderr] 
Nov 30 08:01:33.006 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:01:33.006 INFO [stderr]   --> src/main.rs:29:10
Nov 30 08:01:33.006 INFO [stderr]    |
Nov 30 08:01:33.006 INFO [stderr] 29 |     let (mut kill_switch, mut kill_signal) = channel();
Nov 30 08:01:33.006 INFO [stderr]    |          ----^^^^^^^^^^^
Nov 30 08:01:33.006 INFO [stderr]    |          |
Nov 30 08:01:33.006 INFO [stderr]    |          help: remove this `mut`
Nov 30 08:01:33.006 INFO [stderr] 
Nov 30 08:01:33.095 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:01:33.095 INFO [stderr]   --> src/parser/test.rs:20:9
Nov 30 08:01:33.095 INFO [stderr]    |
Nov 30 08:01:33.095 INFO [stderr] 20 |     let mut expected: VecDeque<_> = vec![
Nov 30 08:01:33.095 INFO [stderr]    |         ----^^^^^^^^
Nov 30 08:01:33.095 INFO [stderr]    |         |
Nov 30 08:01:33.095 INFO [stderr]    |         help: remove this `mut`
Nov 30 08:01:33.095 INFO [stderr] 
Nov 30 08:01:33.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:33.132 INFO [stderr]   --> src/main.rs:41:9
Nov 30 08:01:33.132 INFO [stderr]    |
Nov 30 08:01:33.132 INFO [stderr] 41 |         kill_switch.send(true);
Nov 30 08:01:33.132 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:33.132 INFO [stderr]    |
Nov 30 08:01:33.132 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:01:33.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:33.132 INFO [stderr] 
Nov 30 08:01:33.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:01:33.132 INFO [stderr]   --> src/main.rs:43:5
Nov 30 08:01:33.132 INFO [stderr]    |
Nov 30 08:01:33.132 INFO [stderr] 43 |     kill_signal.recv();
Nov 30 08:01:33.132 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 08:01:33.132 INFO [stderr]    |
Nov 30 08:01:33.132 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:01:33.132 INFO [stderr] 
Nov 30 08:01:33.164 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
Nov 30 08:01:33.184 INFO [stderr] su: No module specific data is present
Nov 30 08:01:34.033 INFO running `"docker" "inspect" "52581e2c6a0f55c6636d14d8d5f2de5399510eb6287ededdcf992054b8f0057f"`
Nov 30 08:01:34.416 INFO running `"docker" "rm" "-f" "52581e2c6a0f55c6636d14d8d5f2de5399510eb6287ededdcf992054b8f0057f"`
Nov 30 08:01:34.716 INFO [stdout] 52581e2c6a0f55c6636d14d8d5f2de5399510eb6287ededdcf992054b8f0057f