Sep 06 05:40:22.778 INFO checking hamlrs-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 05:40:22.778 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 05:40:22.779 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 05:40:22.918 INFO blam! f62523d593b63cea920b8f3f2efddf68e2984e6a3999b6e35f58db55c7b513d1
Sep 06 05:40:22.920 INFO running `"docker" "start" "-a" "f62523d593b63cea920b8f3f2efddf68e2984e6a3999b6e35f58db55c7b513d1"`
Sep 06 05:40:23.883 INFO kablam! usermod: no changes
Sep 06 05:40:23.929 INFO kablam!     Checking clap v2.27.1
Sep 06 05:40:31.186 INFO kablam!     Checking hamlrs v0.3.0 (file:///source)
Sep 06 05:40:31.774 INFO kablam! warning: unused import: `Arena`
Sep 06 05:40:31.774 INFO kablam!  --> src/lib.rs:8:11
Sep 06 05:40:31.774 INFO kablam!   |
Sep 06 05:40:31.774 INFO kablam! 8 | use ast::{Arena, ToAst};
Sep 06 05:40:31.774 INFO kablam!   |           ^^^^^
Sep 06 05:40:31.774 INFO kablam!   |
Sep 06 05:40:31.774 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 05:40:31.774 INFO kablam! 
Sep 06 05:40:31.774 INFO kablam! warning: unused import: `Arena`
Sep 06 05:40:31.774 INFO kablam!  --> src/lib.rs:8:11
Sep 06 05:40:31.774 INFO kablam!   |
Sep 06 05:40:31.774 INFO kablam! 8 | use ast::{Arena, ToAst};
Sep 06 05:40:31.774 INFO kablam!   |           ^^^^^
Sep 06 05:40:31.786 INFO kablam!   |
Sep 06 05:40:31.786 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 05:40:31.786 INFO kablam! 
Sep 06 05:40:32.102 INFO kablam! warning: unused variable: `jump_back`
Sep 06 05:40:32.102 INFO kablam!   --> src/parser.rs:26:17
Sep 06 05:40:32.102 INFO kablam!    |
Sep 06 05:40:32.102 INFO kablam! 26 |         let mut jump_back = false;
Sep 06 05:40:32.102 INFO kablam!    |                 ^^^^^^^^^ help: consider using `_jump_back` instead
Sep 06 05:40:32.102 INFO kablam!    |
Sep 06 05:40:32.102 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 05:40:32.102 INFO kablam! 
Sep 06 05:40:32.102 INFO kablam! warning: value assigned to `token` is never read
Sep 06 05:40:32.102 INFO kablam!   --> src/parser.rs:72:17
Sep 06 05:40:32.102 INFO kablam!    |
Sep 06 05:40:32.102 INFO kablam! 72 |         let mut token: Option<&Token> = None;
Sep 06 05:40:32.102 INFO kablam!    |                 ^^^^^
Sep 06 05:40:32.102 INFO kablam!    |
Sep 06 05:40:32.102 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 06 05:40:32.102 INFO kablam! 
Sep 06 05:40:32.102 INFO kablam! warning: value assigned to `class` is never read
Sep 06 05:40:32.102 INFO kablam!   --> src/parser.rs:87:33
Sep 06 05:40:32.102 INFO kablam!    |
Sep 06 05:40:32.102 INFO kablam! 87 |                         let mut class = String::new();
Sep 06 05:40:32.102 INFO kablam!    |                                 ^^^^^
Sep 06 05:40:32.102 INFO kablam! 
Sep 06 05:40:32.102 INFO kablam! warning: value assigned to `id` is never read
Sep 06 05:40:32.102 INFO kablam!    --> src/parser.rs:102:33
Sep 06 05:40:32.102 INFO kablam!     |
Sep 06 05:40:32.102 INFO kablam! 102 |                         let mut id = String::new();
Sep 06 05:40:32.102 INFO kablam!     |                                 ^^
Sep 06 05:40:32.102 INFO kablam! 
Sep 06 05:40:32.102 INFO kablam! warning: value assigned to `value` is never read
Sep 06 05:40:32.102 INFO kablam!   --> src/scanner.rs:68:25
Sep 06 05:40:32.102 INFO kablam!    |
Sep 06 05:40:32.102 INFO kablam! 68 |                 let mut value: Option<Token> = None;
Sep 06 05:40:32.102 INFO kablam!    |                         ^^^^^
Sep 06 05:40:32.103 INFO kablam! 
Sep 06 05:40:32.174 INFO kablam! warning: variable does not need to be mutable
Sep 06 05:40:32.174 INFO kablam!   --> src/parser.rs:26:13
Sep 06 05:40:32.174 INFO kablam!    |
Sep 06 05:40:32.174 INFO kablam! 26 |         let mut jump_back = false;
Sep 06 05:40:32.174 INFO kablam!    |             ----^^^^^^^^^
Sep 06 05:40:32.174 INFO kablam!    |             |
Sep 06 05:40:32.174 INFO kablam!    |             help: remove this `mut`
Sep 06 05:40:32.174 INFO kablam!    |
Sep 06 05:40:32.174 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 05:40:32.174 INFO kablam! 
Sep 06 05:40:32.217 INFO kablam! warning: method is never used: `size`
Sep 06 05:40:32.217 INFO kablam!   --> src/ast.rs:29:5
Sep 06 05:40:32.217 INFO kablam!    |
Sep 06 05:40:32.217 INFO kablam! 29 |     pub fn size(&self) -> usize {
Sep 06 05:40:32.217 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 05:40:32.217 INFO kablam!    |
Sep 06 05:40:32.217 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 05:40:32.218 INFO kablam! 
Sep 06 05:40:32.218 INFO kablam! warning: method is never used: `indent`
Sep 06 05:40:32.218 INFO kablam!    --> src/ast.rs:265:5
Sep 06 05:40:32.218 INFO kablam!     |
Sep 06 05:40:32.218 INFO kablam! 265 |     pub fn indent(&self) -> u32 {
Sep 06 05:40:32.218 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 05:40:32.218 INFO kablam! 
Sep 06 05:40:32.218 INFO kablam! warning: variant is never constructed: `DoubleQuote`
Sep 06 05:40:32.218 INFO kablam!  --> src/values.rs:6:5
Sep 06 05:40:32.218 INFO kablam!   |
Sep 06 05:40:32.218 INFO kablam! 6 |     DoubleQuote(),
Sep 06 05:40:32.218 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 06 05:40:32.218 INFO kablam! 
Sep 06 05:40:32.689 INFO kablam! warning: unused variable: `jump_back`
Sep 06 05:40:32.689 INFO kablam!   --> src/parser.rs:26:17
Sep 06 05:40:32.689 INFO kablam!    |
Sep 06 05:40:32.689 INFO kablam! 26 |         let mut jump_back = false;
Sep 06 05:40:32.689 INFO kablam!    |                 ^^^^^^^^^ help: consider using `_jump_back` instead
Sep 06 05:40:32.710 INFO kablam!    |
Sep 06 05:40:32.710 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 05:40:32.710 INFO kablam! 
Sep 06 05:40:32.710 INFO kablam! warning: value assigned to `token` is never read
Sep 06 05:40:32.711 INFO kablam!   --> src/parser.rs:72:17
Sep 06 05:40:32.711 INFO kablam!    |
Sep 06 05:40:32.711 INFO kablam! 72 |         let mut token: Option<&Token> = None;
Sep 06 05:40:32.711 INFO kablam!    |                 ^^^^^
Sep 06 05:40:32.711 INFO kablam!    |
Sep 06 05:40:32.711 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 06 05:40:32.711 INFO kablam! 
Sep 06 05:40:32.711 INFO kablam! warning: value assigned to `class` is never read
Sep 06 05:40:32.711 INFO kablam!   --> src/parser.rs:87:33
Sep 06 05:40:32.711 INFO kablam!    |
Sep 06 05:40:32.711 INFO kablam! 87 |                         let mut class = String::new();
Sep 06 05:40:32.711 INFO kablam!    |                                 ^^^^^
Sep 06 05:40:32.711 INFO kablam! 
Sep 06 05:40:32.712 INFO kablam! warning: value assigned to `id` is never read
Sep 06 05:40:32.712 INFO kablam!    --> src/parser.rs:102:33
Sep 06 05:40:32.712 INFO kablam!     |
Sep 06 05:40:32.712 INFO kablam! 102 |                         let mut id = String::new();
Sep 06 05:40:32.712 INFO kablam!     |                                 ^^
Sep 06 05:40:32.712 INFO kablam! 
Sep 06 05:40:32.712 INFO kablam! warning: value assigned to `value` is never read
Sep 06 05:40:32.712 INFO kablam!   --> src/scanner.rs:68:25
Sep 06 05:40:32.712 INFO kablam!    |
Sep 06 05:40:32.712 INFO kablam! 68 |                 let mut value: Option<Token> = None;
Sep 06 05:40:32.712 INFO kablam!    |                         ^^^^^
Sep 06 05:40:32.712 INFO kablam! 
Sep 06 05:40:32.871 INFO kablam! warning: variable does not need to be mutable
Sep 06 05:40:32.871 INFO kablam!   --> src/parser.rs:26:13
Sep 06 05:40:32.871 INFO kablam!    |
Sep 06 05:40:32.871 INFO kablam! 26 |         let mut jump_back = false;
Sep 06 05:40:32.871 INFO kablam!    |             ----^^^^^^^^^
Sep 06 05:40:32.871 INFO kablam!    |             |
Sep 06 05:40:32.871 INFO kablam!    |             help: remove this `mut`
Sep 06 05:40:32.878 INFO kablam!    |
Sep 06 05:40:32.878 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 05:40:32.878 INFO kablam! 
Sep 06 05:40:33.287 INFO kablam! warning: method is never used: `size`
Sep 06 05:40:33.287 INFO kablam!   --> src/ast.rs:29:5
Sep 06 05:40:33.287 INFO kablam!    |
Sep 06 05:40:33.287 INFO kablam! 29 |     pub fn size(&self) -> usize {
Sep 06 05:40:33.287 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 05:40:33.290 INFO kablam!    |
Sep 06 05:40:33.290 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 05:40:33.290 INFO kablam! 
Sep 06 05:40:33.290 INFO kablam! warning: method is never used: `indent`
Sep 06 05:40:33.290 INFO kablam!    --> src/ast.rs:265:5
Sep 06 05:40:33.290 INFO kablam!     |
Sep 06 05:40:33.290 INFO kablam! 265 |     pub fn indent(&self) -> u32 {
Sep 06 05:40:33.290 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 05:40:33.290 INFO kablam! 
Sep 06 05:40:33.290 INFO kablam! warning: variant is never constructed: `DoubleQuote`
Sep 06 05:40:33.290 INFO kablam!  --> src/values.rs:6:5
Sep 06 05:40:33.290 INFO kablam!   |
Sep 06 05:40:33.290 INFO kablam! 6 |     DoubleQuote(),
Sep 06 05:40:33.290 INFO kablam!   |     ^^^^^^^^^^^^^
Sep 06 05:40:33.290 INFO kablam! 
Sep 06 05:40:33.521 INFO kablam! warning: unused import: `std::env`
Sep 06 05:40:33.521 INFO kablam!  --> src/bin/main.rs:5:5
Sep 06 05:40:33.521 INFO kablam!   |
Sep 06 05:40:33.521 INFO kablam! 5 | use std::env;
Sep 06 05:40:33.521 INFO kablam!   |     ^^^^^^^^
Sep 06 05:40:33.521 INFO kablam!   |
Sep 06 05:40:33.521 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 05:40:33.521 INFO kablam! 
Sep 06 05:40:33.938 INFO kablam! warning: unused import: `std::env`
Sep 06 05:40:33.938 INFO kablam!  --> src/bin/main.rs:5:5
Sep 06 05:40:33.938 INFO kablam!   |
Sep 06 05:40:33.938 INFO kablam! 5 | use std::env;
Sep 06 05:40:33.938 INFO kablam!   |     ^^^^^^^^
Sep 06 05:40:33.938 INFO kablam!   |
Sep 06 05:40:33.938 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 05:40:33.938 INFO kablam! 
Sep 06 05:40:34.026 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
Sep 06 05:40:34.026 INFO kablam! su: No module specific data is present
Sep 06 05:40:34.977 INFO running `"docker" "rm" "-f" "f62523d593b63cea920b8f3f2efddf68e2984e6a3999b6e35f58db55c7b513d1"`
Sep 06 05:40:35.081 INFO blam! f62523d593b63cea920b8f3f2efddf68e2984e6a3999b6e35f58db55c7b513d1