Dec 18 10:06:01.304 INFO checking tongue-0.1.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:06:01.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/tongue/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:06:01.824 INFO [stdout] 2daa063f482c09e46ff51d3ee7b96715cd0cc4e1f0f81e8e2864bd3753a7d98a
Dec 18 10:06:01.826 INFO running `"docker" "start" "-a" "2daa063f482c09e46ff51d3ee7b96715cd0cc4e1f0f81e8e2864bd3753a7d98a"`
Dec 18 10:06:03.240 INFO [stderr]     Checking tongue v0.1.2 (/opt/crater/workdir)
Dec 18 10:06:03.716 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:06:03.716 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 10:06:03.716 INFO [stderr]   |
Dec 18 10:06:03.716 INFO [stderr] 1 | #[macro_use]
Dec 18 10:06:03.716 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:06:03.716 INFO [stderr]   |
Dec 18 10:06:03.716 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:06:03.716 INFO [stderr] 
Dec 18 10:06:03.716 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 10:06:03.716 INFO [stderr]   --> src/tongue/terminal.rs:55:25
Dec 18 10:06:03.716 INFO [stderr]    |
Dec 18 10:06:03.716 INFO [stderr] 55 |         term.c_cflag |= (libc::CS8);
Dec 18 10:06:03.716 INFO [stderr]    |                         ^^^^^^^^^^^ help: remove these parentheses
Dec 18 10:06:03.716 INFO [stderr]    |
Dec 18 10:06:03.716 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 10:06:03.716 INFO [stderr] 
Dec 18 10:06:03.844 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 10:06:03.844 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 10:06:03.844 INFO [stderr]   |
Dec 18 10:06:03.844 INFO [stderr] 1 | #[macro_use]
Dec 18 10:06:03.844 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 10:06:03.844 INFO [stderr]   |
Dec 18 10:06:03.844 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:06:03.844 INFO [stderr] 
Dec 18 10:06:03.844 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 10:06:03.844 INFO [stderr]   --> src/tongue/terminal.rs:55:25
Dec 18 10:06:03.844 INFO [stderr]    |
Dec 18 10:06:03.844 INFO [stderr] 55 |         term.c_cflag |= (libc::CS8);
Dec 18 10:06:03.844 INFO [stderr]    |                         ^^^^^^^^^^^ help: remove these parentheses
Dec 18 10:06:03.844 INFO [stderr]    |
Dec 18 10:06:03.844 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 10:06:03.844 INFO [stderr] 
Dec 18 10:06:03.901 INFO [stderr] warning: unused variable: `n`
Dec 18 10:06:03.901 INFO [stderr]   --> src/tongue/evaluator.rs:60:16
Dec 18 10:06:03.901 INFO [stderr]    |
Dec 18 10:06:03.901 INFO [stderr] 60 |             Ok(n) => {},
Dec 18 10:06:03.902 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 18 10:06:03.902 INFO [stderr]    |
Dec 18 10:06:03.902 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 10:06:03.902 INFO [stderr] 
Dec 18 10:06:03.944 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:06:03.944 INFO [stderr]   --> src/tongue/evaluator.rs:23:10
Dec 18 10:06:03.944 INFO [stderr]    |
Dec 18 10:06:03.944 INFO [stderr] 23 | fn _eval(mut n: Node, config: &mut Config) {
Dec 18 10:06:03.944 INFO [stderr]    |          ----^
Dec 18 10:06:03.944 INFO [stderr]    |          |
Dec 18 10:06:03.944 INFO [stderr]    |          help: remove this `mut`
Dec 18 10:06:03.944 INFO [stderr]    |
Dec 18 10:06:03.944 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 10:06:03.944 INFO [stderr] 
Dec 18 10:06:03.956 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:06:03.956 INFO [stderr]  --> src/tongue/util.rs:6:5
Dec 18 10:06:03.956 INFO [stderr]   |
Dec 18 10:06:03.957 INFO [stderr] 6 |     handle.read(&mut buffer);
Dec 18 10:06:03.957 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:06:03.957 INFO [stderr]   |
Dec 18 10:06:03.957 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 18 10:06:03.957 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:06:03.957 INFO [stderr] 
Dec 18 10:06:03.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:06:03.957 INFO [stderr]   --> src/tongue/util.rs:12:5
Dec 18 10:06:03.957 INFO [stderr]    |
Dec 18 10:06:03.957 INFO [stderr] 12 |     buf_writer.write(s.as_bytes());
Dec 18 10:06:03.957 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:06:03.957 INFO [stderr]    |
Dec 18 10:06:03.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:06:03.957 INFO [stderr] 
Dec 18 10:06:03.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:06:03.957 INFO [stderr]   --> src/tongue/util.rs:13:5
Dec 18 10:06:03.957 INFO [stderr]    |
Dec 18 10:06:03.957 INFO [stderr] 13 |     buf_writer.flush();
Dec 18 10:06:03.957 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 10:06:03.957 INFO [stderr]    |
Dec 18 10:06:03.957 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:06:03.957 INFO [stderr] 
Dec 18 10:06:04.216 INFO [stderr] warning: unused variable: `n`
Dec 18 10:06:04.216 INFO [stderr]   --> src/tongue/evaluator.rs:60:16
Dec 18 10:06:04.216 INFO [stderr]    |
Dec 18 10:06:04.216 INFO [stderr] 60 |             Ok(n) => {},
Dec 18 10:06:04.216 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 18 10:06:04.216 INFO [stderr]    |
Dec 18 10:06:04.216 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 10:06:04.216 INFO [stderr] 
Dec 18 10:06:04.216 INFO [stderr] warning: unused variable: `expected`
Dec 18 10:06:04.216 INFO [stderr]    --> src/tongue/lexer.rs:160:13
Dec 18 10:06:04.216 INFO [stderr]     |
Dec 18 10:06:04.216 INFO [stderr] 160 |         let expected: Vec<String> = vec![
Dec 18 10:06:04.216 INFO [stderr]     |             ^^^^^^^^ help: consider using `_expected` instead
Dec 18 10:06:04.216 INFO [stderr] 
Dec 18 10:06:04.216 INFO [stderr] warning: unused variable: `got`
Dec 18 10:06:04.216 INFO [stderr]    --> src/tongue/lexer.rs:166:13
Dec 18 10:06:04.216 INFO [stderr]     |
Dec 18 10:06:04.216 INFO [stderr] 166 |         let got = tokenize("println(\"Hello, World!\")");
Dec 18 10:06:04.216 INFO [stderr]     |             ^^^ help: consider using `_got` instead
Dec 18 10:06:04.216 INFO [stderr] 
Dec 18 10:06:04.216 INFO [stderr] warning: unused variable: `node`
Dec 18 10:06:04.216 INFO [stderr]    --> src/tongue/parser.rs:129:9
Dec 18 10:06:04.216 INFO [stderr]     |
Dec 18 10:06:04.216 INFO [stderr] 129 |     let node = Node {
Dec 18 10:06:04.216 INFO [stderr]     |         ^^^^ help: consider using `_node` instead
Dec 18 10:06:04.216 INFO [stderr] 
Dec 18 10:06:04.340 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:06:04.340 INFO [stderr]   --> src/tongue/evaluator.rs:23:10
Dec 18 10:06:04.340 INFO [stderr]    |
Dec 18 10:06:04.340 INFO [stderr] 23 | fn _eval(mut n: Node, config: &mut Config) {
Dec 18 10:06:04.340 INFO [stderr]    |          ----^
Dec 18 10:06:04.340 INFO [stderr]    |          |
Dec 18 10:06:04.340 INFO [stderr]    |          help: remove this `mut`
Dec 18 10:06:04.340 INFO [stderr]    |
Dec 18 10:06:04.340 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 10:06:04.340 INFO [stderr] 
Dec 18 10:06:04.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:06:04.348 INFO [stderr]  --> src/tongue/util.rs:6:5
Dec 18 10:06:04.348 INFO [stderr]   |
Dec 18 10:06:04.348 INFO [stderr] 6 |     handle.read(&mut buffer);
Dec 18 10:06:04.348 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:06:04.348 INFO [stderr]   |
Dec 18 10:06:04.348 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 18 10:06:04.348 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:06:04.348 INFO [stderr] 
Dec 18 10:06:04.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:06:04.348 INFO [stderr]   --> src/tongue/util.rs:12:5
Dec 18 10:06:04.348 INFO [stderr]    |
Dec 18 10:06:04.348 INFO [stderr] 12 |     buf_writer.write(s.as_bytes());
Dec 18 10:06:04.348 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 10:06:04.348 INFO [stderr]    |
Dec 18 10:06:04.348 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:06:04.348 INFO [stderr] 
Dec 18 10:06:04.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:06:04.349 INFO [stderr]   --> src/tongue/util.rs:13:5
Dec 18 10:06:04.349 INFO [stderr]    |
Dec 18 10:06:04.349 INFO [stderr] 13 |     buf_writer.flush();
Dec 18 10:06:04.349 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 10:06:04.349 INFO [stderr]    |
Dec 18 10:06:04.349 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:06:04.349 INFO [stderr] 
Dec 18 10:06:04.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Dec 18 10:06:05.520 INFO running `"docker" "inspect" "2daa063f482c09e46ff51d3ee7b96715cd0cc4e1f0f81e8e2864bd3753a7d98a"`
Dec 18 10:06:05.821 INFO running `"docker" "rm" "-f" "2daa063f482c09e46ff51d3ee7b96715cd0cc4e1f0f81e8e2864bd3753a7d98a"`
Dec 18 10:06:06.202 INFO [stdout] 2daa063f482c09e46ff51d3ee7b96715cd0cc4e1f0f81e8e2864bd3753a7d98a