Sep 10 16:55:51.966 INFO checking hamlrs-0.3.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:55:51.966 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:55:51.966 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:55:52.111 INFO blam! 32f9e07a1043c47121a5d943926ff1b6ad9ae9fd4dbf01be3815461afd89caba
Sep 10 16:55:52.113 INFO running `"docker" "start" "-a" "32f9e07a1043c47121a5d943926ff1b6ad9ae9fd4dbf01be3815461afd89caba"`
Sep 10 16:55:52.938 INFO kablam! usermod: no changes
Sep 10 16:55:52.991 INFO kablam!     Checking clap v2.27.1
Sep 10 16:56:00.558 INFO kablam!     Checking hamlrs v0.3.0 (file:///source)
Sep 10 16:56:01.066 INFO kablam! warning: unused import: `Arena`
Sep 10 16:56:01.066 INFO kablam!  --> src/lib.rs:8:11
Sep 10 16:56:01.066 INFO kablam!   |
Sep 10 16:56:01.066 INFO kablam! 8 | use ast::{Arena, ToAst};
Sep 10 16:56:01.066 INFO kablam!   |           ^^^^^
Sep 10 16:56:01.066 INFO kablam!   |
Sep 10 16:56:01.066 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:56:01.066 INFO kablam! 
Sep 10 16:56:01.412 INFO kablam! warning: unused import: `Arena`
Sep 10 16:56:01.412 INFO kablam!  --> src/lib.rs:8:11
Sep 10 16:56:01.412 INFO kablam!   |
Sep 10 16:56:01.412 INFO kablam! 8 | use ast::{Arena, ToAst};
Sep 10 16:56:01.412 INFO kablam!   |           ^^^^^
Sep 10 16:56:01.418 INFO kablam!   |
Sep 10 16:56:01.418 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:56:01.418 INFO kablam! 
Sep 10 16:56:01.422 INFO kablam! warning: unused variable: `jump_back`
Sep 10 16:56:01.422 INFO kablam!   --> src/parser.rs:26:17
Sep 10 16:56:01.422 INFO kablam!    |
Sep 10 16:56:01.422 INFO kablam! 26 |         let mut jump_back = false;
Sep 10 16:56:01.422 INFO kablam!    |                 ^^^^^^^^^ help: consider using `_jump_back` instead
Sep 10 16:56:01.422 INFO kablam!    |
Sep 10 16:56:01.422 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 16:56:01.422 INFO kablam! 
Sep 10 16:56:01.422 INFO kablam! warning: value assigned to `token` is never read
Sep 10 16:56:01.422 INFO kablam!   --> src/parser.rs:72:17
Sep 10 16:56:01.422 INFO kablam!    |
Sep 10 16:56:01.422 INFO kablam! 72 |         let mut token: Option<&Token> = None;
Sep 10 16:56:01.422 INFO kablam!    |                 ^^^^^
Sep 10 16:56:01.422 INFO kablam!    |
Sep 10 16:56:01.422 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 10 16:56:01.422 INFO kablam! 
Sep 10 16:56:01.422 INFO kablam! warning: value assigned to `class` is never read
Sep 10 16:56:01.422 INFO kablam!   --> src/parser.rs:87:33
Sep 10 16:56:01.422 INFO kablam!    |
Sep 10 16:56:01.422 INFO kablam! 87 |                         let mut class = String::new();
Sep 10 16:56:01.422 INFO kablam!    |                                 ^^^^^
Sep 10 16:56:01.422 INFO kablam! 
Sep 10 16:56:01.422 INFO kablam! warning: value assigned to `id` is never read
Sep 10 16:56:01.422 INFO kablam!    --> src/parser.rs:102:33
Sep 10 16:56:01.422 INFO kablam!     |
Sep 10 16:56:01.422 INFO kablam! 102 |                         let mut id = String::new();
Sep 10 16:56:01.422 INFO kablam!     |                                 ^^
Sep 10 16:56:01.422 INFO kablam! 
Sep 10 16:56:01.422 INFO kablam! warning: value assigned to `value` is never read
Sep 10 16:56:01.422 INFO kablam!   --> src/scanner.rs:68:25
Sep 10 16:56:01.422 INFO kablam!    |
Sep 10 16:56:01.422 INFO kablam! 68 |                 let mut value: Option<Token> = None;
Sep 10 16:56:01.422 INFO kablam!    |                         ^^^^^
Sep 10 16:56:01.422 INFO kablam! 
Sep 10 16:56:01.469 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:56:01.469 INFO kablam!   --> src/parser.rs:26:13
Sep 10 16:56:01.469 INFO kablam!    |
Sep 10 16:56:01.469 INFO kablam! 26 |         let mut jump_back = false;
Sep 10 16:56:01.469 INFO kablam!    |             ----^^^^^^^^^
Sep 10 16:56:01.469 INFO kablam!    |             |
Sep 10 16:56:01.469 INFO kablam!    |             help: remove this `mut`
Sep 10 16:56:01.469 INFO kablam!    |
Sep 10 16:56:01.469 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 16:56:01.469 INFO kablam! 
Sep 10 16:56:01.492 INFO kablam! warning: method is never used: `size`
Sep 10 16:56:01.492 INFO kablam!   --> src/ast.rs:29:5
Sep 10 16:56:01.492 INFO kablam!    |
Sep 10 16:56:01.492 INFO kablam! 29 |     pub fn size(&self) -> usize {
Sep 10 16:56:01.492 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 16:56:01.492 INFO kablam!    |
Sep 10 16:56:01.492 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 16:56:01.492 INFO kablam! 
Sep 10 16:56:01.492 INFO kablam! warning: method is never used: `indent`
Sep 10 16:56:01.492 INFO kablam!    --> src/ast.rs:265:5
Sep 10 16:56:01.492 INFO kablam!     |
Sep 10 16:56:01.492 INFO kablam! 265 |     pub fn indent(&self) -> u32 {
Sep 10 16:56:01.492 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 16:56:01.492 INFO kablam! 
Sep 10 16:56:01.492 INFO kablam! warning: variant is never constructed: `DoubleQuote`
Sep 10 16:56:01.492 INFO kablam!  --> src/values.rs:6:5
Sep 10 16:56:01.492 INFO kablam!   |
Sep 10 16:56:01.492 INFO kablam! 6 |     DoubleQuote(),
Sep 10 16:56:01.492 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 10 16:56:01.492 INFO kablam! 
Sep 10 16:56:02.265 INFO kablam! warning: unused variable: `jump_back`
Sep 10 16:56:02.265 INFO kablam!   --> src/parser.rs:26:17
Sep 10 16:56:02.265 INFO kablam!    |
Sep 10 16:56:02.265 INFO kablam! 26 |         let mut jump_back = false;
Sep 10 16:56:02.265 INFO kablam!    |                 ^^^^^^^^^ help: consider using `_jump_back` instead
Sep 10 16:56:02.265 INFO kablam!    |
Sep 10 16:56:02.265 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 16:56:02.265 INFO kablam! 
Sep 10 16:56:02.265 INFO kablam! warning: value assigned to `token` is never read
Sep 10 16:56:02.265 INFO kablam!   --> src/parser.rs:72:17
Sep 10 16:56:02.265 INFO kablam!    |
Sep 10 16:56:02.265 INFO kablam! 72 |         let mut token: Option<&Token> = None;
Sep 10 16:56:02.265 INFO kablam!    |                 ^^^^^
Sep 10 16:56:02.265 INFO kablam!    |
Sep 10 16:56:02.265 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 10 16:56:02.265 INFO kablam! 
Sep 10 16:56:02.265 INFO kablam! warning: value assigned to `class` is never read
Sep 10 16:56:02.265 INFO kablam!   --> src/parser.rs:87:33
Sep 10 16:56:02.265 INFO kablam!    |
Sep 10 16:56:02.265 INFO kablam! 87 |                         let mut class = String::new();
Sep 10 16:56:02.265 INFO kablam!    |                                 ^^^^^
Sep 10 16:56:02.265 INFO kablam! 
Sep 10 16:56:02.265 INFO kablam! warning: value assigned to `id` is never read
Sep 10 16:56:02.265 INFO kablam!    --> src/parser.rs:102:33
Sep 10 16:56:02.265 INFO kablam!     |
Sep 10 16:56:02.265 INFO kablam! 102 |                         let mut id = String::new();
Sep 10 16:56:02.265 INFO kablam!     |                                 ^^
Sep 10 16:56:02.265 INFO kablam! 
Sep 10 16:56:02.265 INFO kablam! warning: value assigned to `value` is never read
Sep 10 16:56:02.265 INFO kablam!   --> src/scanner.rs:68:25
Sep 10 16:56:02.265 INFO kablam!    |
Sep 10 16:56:02.265 INFO kablam! 68 |                 let mut value: Option<Token> = None;
Sep 10 16:56:02.265 INFO kablam!    |                         ^^^^^
Sep 10 16:56:02.265 INFO kablam! 
Sep 10 16:56:02.389 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:56:02.389 INFO kablam!   --> src/parser.rs:26:13
Sep 10 16:56:02.389 INFO kablam!    |
Sep 10 16:56:02.389 INFO kablam! 26 |         let mut jump_back = false;
Sep 10 16:56:02.389 INFO kablam!    |             ----^^^^^^^^^
Sep 10 16:56:02.389 INFO kablam!    |             |
Sep 10 16:56:02.389 INFO kablam!    |             help: remove this `mut`
Sep 10 16:56:02.446 INFO kablam!    |
Sep 10 16:56:02.446 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 16:56:02.446 INFO kablam! 
Sep 10 16:56:02.842 INFO kablam! warning: unused import: `std::env`
Sep 10 16:56:02.842 INFO kablam!  --> src/bin/main.rs:5:5
Sep 10 16:56:02.842 INFO kablam!   |
Sep 10 16:56:02.842 INFO kablam! 5 | use std::env;
Sep 10 16:56:02.842 INFO kablam!   |     ^^^^^^^^
Sep 10 16:56:02.842 INFO kablam!   |
Sep 10 16:56:02.842 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:56:02.842 INFO kablam! 
Sep 10 16:56:03.006 INFO kablam! warning: unused import: `std::env`
Sep 10 16:56:03.006 INFO kablam!  --> src/bin/main.rs:5:5
Sep 10 16:56:03.006 INFO kablam!   |
Sep 10 16:56:03.006 INFO kablam! 5 | use std::env;
Sep 10 16:56:03.006 INFO kablam!   |     ^^^^^^^^
Sep 10 16:56:03.006 INFO kablam!   |
Sep 10 16:56:03.006 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:56:03.006 INFO kablam! 
Sep 10 16:56:03.050 INFO kablam! warning: method is never used: `size`
Sep 10 16:56:03.050 INFO kablam!   --> src/ast.rs:29:5
Sep 10 16:56:03.050 INFO kablam!    |
Sep 10 16:56:03.050 INFO kablam! 29 |     pub fn size(&self) -> usize {
Sep 10 16:56:03.050 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 16:56:03.050 INFO kablam!    |
Sep 10 16:56:03.050 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 16:56:03.050 INFO kablam! 
Sep 10 16:56:03.050 INFO kablam! warning: method is never used: `indent`
Sep 10 16:56:03.050 INFO kablam!    --> src/ast.rs:265:5
Sep 10 16:56:03.050 INFO kablam!     |
Sep 10 16:56:03.050 INFO kablam! 265 |     pub fn indent(&self) -> u32 {
Sep 10 16:56:03.050 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 16:56:03.050 INFO kablam! 
Sep 10 16:56:03.050 INFO kablam! warning: variant is never constructed: `DoubleQuote`
Sep 10 16:56:03.050 INFO kablam!  --> src/values.rs:6:5
Sep 10 16:56:03.050 INFO kablam!   |
Sep 10 16:56:03.050 INFO kablam! 6 |     DoubleQuote(),
Sep 10 16:56:03.050 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 10 16:56:03.050 INFO kablam! 
Sep 10 16:56:03.174 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.22s
Sep 10 16:56:03.179 INFO kablam! su: No module specific data is present
Sep 10 16:56:04.148 INFO running `"docker" "rm" "-f" "32f9e07a1043c47121a5d943926ff1b6ad9ae9fd4dbf01be3815461afd89caba"`
Sep 10 16:56:04.276 INFO blam! 32f9e07a1043c47121a5d943926ff1b6ad9ae9fd4dbf01be3815461afd89caba