Dec 14 16:21:44.939 INFO testing tongue-0.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 16:21:44.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:21:45.244 INFO [stdout] 3d27cbc6ebc59180f07d12f9ac06032d80be0b2fbd35d6c2d55cd4d20c7a15f0
Dec 14 16:21:45.249 INFO running `"docker" "start" "-a" "3d27cbc6ebc59180f07d12f9ac06032d80be0b2fbd35d6c2d55cd4d20c7a15f0"`
Dec 14 16:21:46.021 INFO [stderr] usermod: no changes
Dec 14 16:21:46.071 INFO [stderr]    Compiling tongue v0.1.2 (/source)
Dec 14 16:21:46.631 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 16:21:46.631 INFO [stderr]  --> src/lib.rs:1:1
Dec 14 16:21:46.631 INFO [stderr]   |
Dec 14 16:21:46.631 INFO [stderr] 1 | #[macro_use]
Dec 14 16:21:46.631 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 16:21:46.631 INFO [stderr]   |
Dec 14 16:21:46.631 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 16:21:46.631 INFO [stderr] 
Dec 14 16:21:46.631 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 16:21:46.631 INFO [stderr]   --> src/tongue/terminal.rs:55:25
Dec 14 16:21:46.631 INFO [stderr]    |
Dec 14 16:21:46.631 INFO [stderr] 55 |         term.c_cflag |= (libc::CS8);
Dec 14 16:21:46.631 INFO [stderr]    |                         ^^^^^^^^^^^ help: remove these parentheses
Dec 14 16:21:46.631 INFO [stderr]    |
Dec 14 16:21:46.631 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 16:21:46.631 INFO [stderr] 
Dec 14 16:21:46.730 INFO [stderr] warning: unused variable: `n`
Dec 14 16:21:46.730 INFO [stderr]   --> src/tongue/evaluator.rs:60:16
Dec 14 16:21:46.730 INFO [stderr]    |
Dec 14 16:21:46.730 INFO [stderr] 60 |             Ok(n) => {},
Dec 14 16:21:46.730 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 14 16:21:46.730 INFO [stderr]    |
Dec 14 16:21:46.730 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 16:21:46.730 INFO [stderr] 
Dec 14 16:21:46.757 INFO [stderr] warning: variable does not need to be mutable
Dec 14 16:21:46.757 INFO [stderr]   --> src/tongue/evaluator.rs:23:10
Dec 14 16:21:46.757 INFO [stderr]    |
Dec 14 16:21:46.757 INFO [stderr] 23 | fn _eval(mut n: Node, config: &mut Config) {
Dec 14 16:21:46.757 INFO [stderr]    |          ----^
Dec 14 16:21:46.757 INFO [stderr]    |          |
Dec 14 16:21:46.757 INFO [stderr]    |          help: remove this `mut`
Dec 14 16:21:46.757 INFO [stderr]    |
Dec 14 16:21:46.757 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 16:21:46.757 INFO [stderr] 
Dec 14 16:21:46.762 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 16:21:46.762 INFO [stderr]  --> src/tongue/util.rs:6:5
Dec 14 16:21:46.762 INFO [stderr]   |
Dec 14 16:21:46.762 INFO [stderr] 6 |     handle.read(&mut buffer);
Dec 14 16:21:46.762 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 16:21:46.762 INFO [stderr]   |
Dec 14 16:21:46.762 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 14 16:21:46.762 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 16:21:46.762 INFO [stderr] 
Dec 14 16:21:46.762 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 16:21:46.762 INFO [stderr]   --> src/tongue/util.rs:12:5
Dec 14 16:21:46.762 INFO [stderr]    |
Dec 14 16:21:46.762 INFO [stderr] 12 |     buf_writer.write(s.as_bytes());
Dec 14 16:21:46.762 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 16:21:46.762 INFO [stderr]    |
Dec 14 16:21:46.762 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 16:21:46.762 INFO [stderr] 
Dec 14 16:21:46.762 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 16:21:46.762 INFO [stderr]   --> src/tongue/util.rs:13:5
Dec 14 16:21:46.762 INFO [stderr]    |
Dec 14 16:21:46.762 INFO [stderr] 13 |     buf_writer.flush();
Dec 14 16:21:46.762 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 16:21:46.762 INFO [stderr]    |
Dec 14 16:21:46.762 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 16:21:46.762 INFO [stderr] 
Dec 14 16:21:48.094 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 14 16:21:48.096 INFO [stderr] su: No module specific data is present
Dec 14 16:21:48.431 INFO running `"docker" "inspect" "3d27cbc6ebc59180f07d12f9ac06032d80be0b2fbd35d6c2d55cd4d20c7a15f0"`
Dec 14 16:21:48.528 INFO running `"docker" "rm" "-f" "3d27cbc6ebc59180f07d12f9ac06032d80be0b2fbd35d6c2d55cd4d20c7a15f0"`
Dec 14 16:21:48.611 INFO [stdout] 3d27cbc6ebc59180f07d12f9ac06032d80be0b2fbd35d6c2d55cd4d20c7a15f0
Dec 14 16:21:48.612 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:21:48.842 INFO [stdout] 28cd4aff830dfd5eec4cdb60ac226e9a2b57cd822b7d4f4904e7b80222bdaa0b
Dec 14 16:21:48.848 INFO running `"docker" "start" "-a" "28cd4aff830dfd5eec4cdb60ac226e9a2b57cd822b7d4f4904e7b80222bdaa0b"`
Dec 14 16:21:49.235 INFO [stderr] usermod: no changes
Dec 14 16:21:49.285 INFO [stderr]    Compiling tongue v0.1.2 (/source)
Dec 14 16:21:49.911 INFO [stderr] warning: unused `#[macro_use]` import
Dec 14 16:21:49.911 INFO [stderr]  --> src/lib.rs:1:1
Dec 14 16:21:49.911 INFO [stderr]   |
Dec 14 16:21:49.911 INFO [stderr] 1 | #[macro_use]
Dec 14 16:21:49.911 INFO [stderr]   | ^^^^^^^^^^^^
Dec 14 16:21:49.911 INFO [stderr]   |
Dec 14 16:21:49.911 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 16:21:49.911 INFO [stderr] 
Dec 14 16:21:49.911 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 14 16:21:49.911 INFO [stderr]   --> src/tongue/terminal.rs:55:25
Dec 14 16:21:49.911 INFO [stderr]    |
Dec 14 16:21:49.911 INFO [stderr] 55 |         term.c_cflag |= (libc::CS8);
Dec 14 16:21:49.911 INFO [stderr]    |                         ^^^^^^^^^^^ help: remove these parentheses
Dec 14 16:21:49.911 INFO [stderr]    |
Dec 14 16:21:49.911 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 16:21:49.911 INFO [stderr] 
Dec 14 16:21:50.035 INFO [stderr] warning: unused variable: `n`
Dec 14 16:21:50.035 INFO [stderr]   --> src/tongue/evaluator.rs:60:16
Dec 14 16:21:50.035 INFO [stderr]    |
Dec 14 16:21:50.035 INFO [stderr] 60 |             Ok(n) => {},
Dec 14 16:21:50.035 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 14 16:21:50.035 INFO [stderr]    |
Dec 14 16:21:50.035 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 16:21:50.035 INFO [stderr] 
Dec 14 16:21:50.035 INFO [stderr] warning: unused variable: `expected`
Dec 14 16:21:50.035 INFO [stderr]    --> src/tongue/lexer.rs:160:13
Dec 14 16:21:50.035 INFO [stderr]     |
Dec 14 16:21:50.035 INFO [stderr] 160 |         let expected: Vec<String> = vec![
Dec 14 16:21:50.035 INFO [stderr]     |             ^^^^^^^^ help: consider using `_expected` instead
Dec 14 16:21:50.035 INFO [stderr] 
Dec 14 16:21:50.035 INFO [stderr] warning: unused variable: `got`
Dec 14 16:21:50.035 INFO [stderr]    --> src/tongue/lexer.rs:166:13
Dec 14 16:21:50.035 INFO [stderr]     |
Dec 14 16:21:50.035 INFO [stderr] 166 |         let got = tokenize("println(\"Hello, World!\")");
Dec 14 16:21:50.035 INFO [stderr]     |             ^^^ help: consider using `_got` instead
Dec 14 16:21:50.035 INFO [stderr] 
Dec 14 16:21:50.035 INFO [stderr] warning: unused variable: `node`
Dec 14 16:21:50.035 INFO [stderr]    --> src/tongue/parser.rs:129:9
Dec 14 16:21:50.035 INFO [stderr]     |
Dec 14 16:21:50.035 INFO [stderr] 129 |     let node = Node {
Dec 14 16:21:50.035 INFO [stderr]     |         ^^^^ help: consider using `_node` instead
Dec 14 16:21:50.035 INFO [stderr] 
Dec 14 16:21:50.092 INFO [stderr] warning: variable does not need to be mutable
Dec 14 16:21:50.092 INFO [stderr]   --> src/tongue/evaluator.rs:23:10
Dec 14 16:21:50.092 INFO [stderr]    |
Dec 14 16:21:50.092 INFO [stderr] 23 | fn _eval(mut n: Node, config: &mut Config) {
Dec 14 16:21:50.092 INFO [stderr]    |          ----^
Dec 14 16:21:50.092 INFO [stderr]    |          |
Dec 14 16:21:50.092 INFO [stderr]    |          help: remove this `mut`
Dec 14 16:21:50.092 INFO [stderr]    |
Dec 14 16:21:50.092 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 16:21:50.092 INFO [stderr] 
Dec 14 16:21:50.098 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 16:21:50.098 INFO [stderr]  --> src/tongue/util.rs:6:5
Dec 14 16:21:50.098 INFO [stderr]   |
Dec 14 16:21:50.099 INFO [stderr] 6 |     handle.read(&mut buffer);
Dec 14 16:21:50.099 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 16:21:50.099 INFO [stderr]   |
Dec 14 16:21:50.099 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 14 16:21:50.099 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 16:21:50.099 INFO [stderr] 
Dec 14 16:21:50.099 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 16:21:50.099 INFO [stderr]   --> src/tongue/util.rs:12:5
Dec 14 16:21:50.099 INFO [stderr]    |
Dec 14 16:21:50.099 INFO [stderr] 12 |     buf_writer.write(s.as_bytes());
Dec 14 16:21:50.099 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 16:21:50.099 INFO [stderr]    |
Dec 14 16:21:50.099 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 16:21:50.099 INFO [stderr] 
Dec 14 16:21:50.099 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 16:21:50.099 INFO [stderr]   --> src/tongue/util.rs:13:5
Dec 14 16:21:50.099 INFO [stderr]    |
Dec 14 16:21:50.099 INFO [stderr] 13 |     buf_writer.flush();
Dec 14 16:21:50.099 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 16:21:50.099 INFO [stderr]    |
Dec 14 16:21:50.099 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 16:21:50.099 INFO [stderr] 
Dec 14 16:21:50.634 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 14 16:21:50.637 INFO [stderr] su: No module specific data is present
Dec 14 16:21:50.930 INFO running `"docker" "inspect" "28cd4aff830dfd5eec4cdb60ac226e9a2b57cd822b7d4f4904e7b80222bdaa0b"`
Dec 14 16:21:51.016 INFO running `"docker" "rm" "-f" "28cd4aff830dfd5eec4cdb60ac226e9a2b57cd822b7d4f4904e7b80222bdaa0b"`
Dec 14 16:21:51.099 INFO [stdout] 28cd4aff830dfd5eec4cdb60ac226e9a2b57cd822b7d4f4904e7b80222bdaa0b
Dec 14 16:21:51.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:21:51.277 INFO [stdout] df45b04f48a95d5265ccab6495d2515caeb37fd45d3af90dd929c585119cc24f
Dec 14 16:21:51.281 INFO running `"docker" "start" "-a" "df45b04f48a95d5265ccab6495d2515caeb37fd45d3af90dd929c585119cc24f"`
Dec 14 16:21:51.759 INFO [stderr] usermod: no changes
Dec 14 16:21:51.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 16:21:51.808 INFO [stderr]      Running /target/debug/deps/tongue-f5637f8f90e354fd
Dec 14 16:21:51.810 INFO [stdout] 
Dec 14 16:21:51.810 INFO [stdout] running 11 tests
Dec 14 16:21:51.813 INFO [stdout] test tongue::parser::parse_empty ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::parser::parse_command_without_args ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::parser::parse_command_with_args ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::lexer::tokenize_one_token ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::parser::parse_formula ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::lexer::tokenize_four_token ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::lexer::tokenize_empty ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::parser::parse_plus ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::parser::parse_variable_binding ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::lexer::tokenize_three_token ... ok
Dec 14 16:21:51.813 INFO [stdout] test tongue::lexer::tokenize_two_token ... ok
Dec 14 16:21:51.813 INFO [stdout] 
Dec 14 16:21:51.813 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 16:21:51.813 INFO [stdout] 
Dec 14 16:21:51.813 INFO [stdout] 
Dec 14 16:21:51.813 INFO [stdout] running 0 tests
Dec 14 16:21:51.813 INFO [stdout] 
Dec 14 16:21:51.813 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 16:21:51.813 INFO [stdout] 
Dec 14 16:21:51.813 INFO [stderr]      Running /target/debug/deps/tongue-6e7ca5069ad965d1
Dec 14 16:21:51.815 INFO [stderr]    Doc-tests tongue
Dec 14 16:21:52.776 INFO [stdout] 
Dec 14 16:21:52.776 INFO [stdout] running 0 tests
Dec 14 16:21:52.776 INFO [stdout] 
Dec 14 16:21:52.776 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 16:21:52.776 INFO [stdout] 
Dec 14 16:21:52.787 INFO [stderr] su: No module specific data is present
Dec 14 16:21:53.107 INFO running `"docker" "inspect" "df45b04f48a95d5265ccab6495d2515caeb37fd45d3af90dd929c585119cc24f"`
Dec 14 16:21:53.222 INFO running `"docker" "rm" "-f" "df45b04f48a95d5265ccab6495d2515caeb37fd45d3af90dd929c585119cc24f"`
Dec 14 16:21:53.317 INFO [stdout] df45b04f48a95d5265ccab6495d2515caeb37fd45d3af90dd929c585119cc24f