Oct 12 17:11:52.101 INFO checking moreheadm/nut-shell against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:11:52.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:11:52.630 INFO blam! 1034ef6e37e31658f72e6539d3f7a9d6b731ca0e8df9ac25853af7f73c5b0eb4
Oct 12 17:11:52.641 INFO running `"docker" "start" "-a" "1034ef6e37e31658f72e6539d3f7a9d6b731ca0e8df9ac25853af7f73c5b0eb4"`
Oct 12 17:11:53.856 INFO kablam! usermod: no changes
Oct 12 17:11:53.975 INFO kablam!     Checking bytecount v0.1.7
Oct 12 17:11:53.980 INFO kablam!     Checking termion v1.5.1
Oct 12 17:11:55.553 INFO kablam!     Checking liner v0.4.4
Oct 12 17:11:56.862 INFO kablam!     Checking nut-shell v0.1.0 (/source)
Oct 12 17:11:57.016 INFO kablam! warning: unnecessary path disambiguator
Oct 12 17:11:57.017 INFO kablam!    --> src/execute.rs:116:39
Oct 12 17:11:57.018 INFO kablam!     |
Oct 12 17:11:57.019 INFO kablam! 116 |                         .collect::<Vec::<[usize; 2]>>();
Oct 12 17:11:57.019 INFO kablam!     |                                       ^^ try removing `::`
Oct 12 17:11:57.020 INFO kablam! 
Oct 12 17:11:57.040 INFO kablam! warning: unnecessary path disambiguator
Oct 12 17:11:57.040 INFO kablam!    --> src/execute.rs:116:39
Oct 12 17:11:57.040 INFO kablam!     |
Oct 12 17:11:57.042 INFO kablam! 116 |                         .collect::<Vec::<[usize; 2]>>();
Oct 12 17:11:57.042 INFO kablam!     |                                       ^^ try removing `::`
Oct 12 17:11:57.042 INFO kablam! 
Oct 12 17:11:57.588 INFO kablam! warning: unused import: `ParseOp`
Oct 12 17:11:57.588 INFO kablam!   --> src/main.rs:10:32
Oct 12 17:11:57.588 INFO kablam!    |
Oct 12 17:11:57.588 INFO kablam! 10 | use parser::{ParseRes, Parsed, ParseOp};
Oct 12 17:11:57.588 INFO kablam!    |                                ^^^^^^^
Oct 12 17:11:57.588 INFO kablam!    |
Oct 12 17:11:57.588 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 17:11:57.590 INFO kablam! 
Oct 12 17:11:57.652 INFO kablam! warning: unused import: `ParseOp`
Oct 12 17:11:57.652 INFO kablam!   --> src/main.rs:10:32
Oct 12 17:11:57.652 INFO kablam!    |
Oct 12 17:11:57.653 INFO kablam! 10 | use parser::{ParseRes, Parsed, ParseOp};
Oct 12 17:11:57.653 INFO kablam!    |                                ^^^^^^^
Oct 12 17:11:57.654 INFO kablam!    |
Oct 12 17:11:57.654 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 17:11:57.654 INFO kablam! 
Oct 12 17:11:57.816 INFO kablam! warning: unused import: `std::io::BufRead`
Oct 12 17:11:57.816 INFO kablam!  --> src/main.rs:8:5
Oct 12 17:11:57.816 INFO kablam!   |
Oct 12 17:11:57.817 INFO kablam! 8 | use std::io::BufRead;
Oct 12 17:11:57.818 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 17:11:57.818 INFO kablam! 
Oct 12 17:11:57.838 INFO kablam! warning: unused variable: `command`
Oct 12 17:11:57.838 INFO kablam!   --> src/execute.rs:40:24
Oct 12 17:11:57.838 INFO kablam!    |
Oct 12 17:11:57.838 INFO kablam! 40 |     pub fn run_builtin(command: &Vec<String>) {
Oct 12 17:11:57.838 INFO kablam!    |                        ^^^^^^^ help: consider using `_command` instead
Oct 12 17:11:57.838 INFO kablam!    |
Oct 12 17:11:57.838 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:11:57.838 INFO kablam! 
Oct 12 17:11:57.839 INFO kablam! warning: unused variable: `curr_expr`
Oct 12 17:11:57.839 INFO kablam!    --> src/parser.rs:368:42
Oct 12 17:11:57.839 INFO kablam!     |
Oct 12 17:11:57.840 INFO kablam! 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Oct 12 17:11:57.840 INFO kablam!     |                                          ^^^^^^^^^ help: consider using `_curr_expr` instead
Oct 12 17:11:57.840 INFO kablam! 
Oct 12 17:11:57.840 INFO kablam! warning: unused variable: `stdin`
Oct 12 17:11:57.840 INFO kablam!   --> src/main.rs:13:9
Oct 12 17:11:57.841 INFO kablam!    |
Oct 12 17:11:57.841 INFO kablam! 13 |     let stdin = io::stdin();
Oct 12 17:11:57.841 INFO kablam!    |         ^^^^^ help: consider using `_stdin` instead
Oct 12 17:11:57.841 INFO kablam! 
Oct 12 17:11:57.922 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:11:57.922 INFO kablam!    --> src/parser.rs:368:38
Oct 12 17:11:57.922 INFO kablam!     |
Oct 12 17:11:57.923 INFO kablam! 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Oct 12 17:11:57.923 INFO kablam!     |                                      ----^^^^^^^^^
Oct 12 17:11:57.923 INFO kablam!     |                                      |
Oct 12 17:11:57.923 INFO kablam!     |                                      help: remove this `mut`
Oct 12 17:11:57.924 INFO kablam!     |
Oct 12 17:11:57.924 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:11:57.924 INFO kablam! 
Oct 12 17:11:57.924 INFO kablam! warning: function is never used: `run_builtin`
Oct 12 17:11:57.924 INFO kablam!   --> src/execute.rs:40:5
Oct 12 17:11:57.925 INFO kablam!    |
Oct 12 17:11:57.925 INFO kablam! 40 |     pub fn run_builtin(command: &Vec<String>) {
Oct 12 17:11:57.925 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:11:57.925 INFO kablam!    |
Oct 12 17:11:57.925 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:11:57.926 INFO kablam! 
Oct 12 17:11:57.926 INFO kablam! warning: variant is never constructed: `And`
Oct 12 17:11:57.926 INFO kablam!  --> src/parser.rs:5:5
Oct 12 17:11:57.926 INFO kablam!   |
Oct 12 17:11:57.927 INFO kablam! 5 |     And,
Oct 12 17:11:57.927 INFO kablam!   |     ^^^
Oct 12 17:11:57.927 INFO kablam! 
Oct 12 17:11:57.927 INFO kablam! warning: variant is never constructed: `Or`
Oct 12 17:11:57.927 INFO kablam!  --> src/parser.rs:6:5
Oct 12 17:11:57.928 INFO kablam!   |
Oct 12 17:11:57.928 INFO kablam! 6 |     Or,
Oct 12 17:11:57.928 INFO kablam!   |     ^^
Oct 12 17:11:57.928 INFO kablam! 
Oct 12 17:11:57.928 INFO kablam! warning: variant is never constructed: `Seq`
Oct 12 17:11:57.929 INFO kablam!  --> src/parser.rs:7:5
Oct 12 17:11:57.929 INFO kablam!   |
Oct 12 17:11:57.929 INFO kablam! 7 |     Seq,
Oct 12 17:11:57.929 INFO kablam!   |     ^^^
Oct 12 17:11:57.929 INFO kablam! 
Oct 12 17:11:57.930 INFO kablam! warning: variant is never constructed: `Expr`
Oct 12 17:11:57.930 INFO kablam!   --> src/parser.rs:21:5
Oct 12 17:11:57.930 INFO kablam!    |
Oct 12 17:11:57.930 INFO kablam! 21 |     Expr(Box<Parsed>, Box<Parsed>, ParseOp),
Oct 12 17:11:57.931 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:11:57.931 INFO kablam! 
Oct 12 17:11:57.931 INFO kablam! warning: variant is never constructed: `Param`
Oct 12 17:11:57.931 INFO kablam!   --> src/parser.rs:33:5
Oct 12 17:11:57.931 INFO kablam!    |
Oct 12 17:11:57.931 INFO kablam! 33 |     Param(String),
Oct 12 17:11:57.931 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 17:11:57.931 INFO kablam! 
Oct 12 17:11:57.931 INFO kablam! warning: variant is never constructed: `Arith`
Oct 12 17:11:57.931 INFO kablam!   --> src/parser.rs:34:5
Oct 12 17:11:57.931 INFO kablam!    |
Oct 12 17:11:57.931 INFO kablam! 34 |     Arith(String)
Oct 12 17:11:57.931 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 17:11:57.931 INFO kablam! 
Oct 12 17:11:57.964 INFO kablam! warning: unused import: `std::io::BufRead`
Oct 12 17:11:57.965 INFO kablam!  --> src/main.rs:8:5
Oct 12 17:11:57.965 INFO kablam!   |
Oct 12 17:11:57.965 INFO kablam! 8 | use std::io::BufRead;
Oct 12 17:11:57.965 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 17:11:57.966 INFO kablam! 
Oct 12 17:11:58.000 INFO kablam! warning: unused variable: `command`
Oct 12 17:11:58.000 INFO kablam!   --> src/execute.rs:40:24
Oct 12 17:11:58.000 INFO kablam!    |
Oct 12 17:11:58.001 INFO kablam! 40 |     pub fn run_builtin(command: &Vec<String>) {
Oct 12 17:11:58.001 INFO kablam!    |                        ^^^^^^^ help: consider using `_command` instead
Oct 12 17:11:58.001 INFO kablam!    |
Oct 12 17:11:58.001 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 17:11:58.001 INFO kablam! 
Oct 12 17:11:58.002 INFO kablam! warning: unused variable: `curr_expr`
Oct 12 17:11:58.002 INFO kablam!    --> src/parser.rs:368:42
Oct 12 17:11:58.002 INFO kablam!     |
Oct 12 17:11:58.002 INFO kablam! 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Oct 12 17:11:58.003 INFO kablam!     |                                          ^^^^^^^^^ help: consider using `_curr_expr` instead
Oct 12 17:11:58.003 INFO kablam! 
Oct 12 17:11:58.003 INFO kablam! warning: unused variable: `stdin`
Oct 12 17:11:58.003 INFO kablam!   --> src/main.rs:13:9
Oct 12 17:11:58.003 INFO kablam!    |
Oct 12 17:11:58.004 INFO kablam! 13 |     let stdin = io::stdin();
Oct 12 17:11:58.004 INFO kablam!    |         ^^^^^ help: consider using `_stdin` instead
Oct 12 17:11:58.004 INFO kablam! 
Oct 12 17:11:58.080 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:11:58.080 INFO kablam!    --> src/parser.rs:368:38
Oct 12 17:11:58.080 INFO kablam!     |
Oct 12 17:11:58.080 INFO kablam! 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Oct 12 17:11:58.080 INFO kablam!     |                                      ----^^^^^^^^^
Oct 12 17:11:58.080 INFO kablam!     |                                      |
Oct 12 17:11:58.080 INFO kablam!     |                                      help: remove this `mut`
Oct 12 17:11:58.080 INFO kablam!     |
Oct 12 17:11:58.080 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:11:58.080 INFO kablam! 
Oct 12 17:11:58.092 INFO kablam! warning: function is never used: `run_builtin`
Oct 12 17:11:58.092 INFO kablam!   --> src/execute.rs:40:5
Oct 12 17:11:58.092 INFO kablam!    |
Oct 12 17:11:58.092 INFO kablam! 40 |     pub fn run_builtin(command: &Vec<String>) {
Oct 12 17:11:58.092 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:11:58.092 INFO kablam!    |
Oct 12 17:11:58.092 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 17:11:58.092 INFO kablam! 
Oct 12 17:11:58.092 INFO kablam! warning: variant is never constructed: `And`
Oct 12 17:11:58.092 INFO kablam!  --> src/parser.rs:5:5
Oct 12 17:11:58.092 INFO kablam!   |
Oct 12 17:11:58.092 INFO kablam! 5 |     And,
Oct 12 17:11:58.092 INFO kablam!   |     ^^^
Oct 12 17:11:58.092 INFO kablam! 
Oct 12 17:11:58.092 INFO kablam! warning: variant is never constructed: `Or`
Oct 12 17:11:58.092 INFO kablam!  --> src/parser.rs:6:5
Oct 12 17:11:58.093 INFO kablam!   |
Oct 12 17:11:58.093 INFO kablam! 6 |     Or,
Oct 12 17:11:58.093 INFO kablam!   |     ^^
Oct 12 17:11:58.093 INFO kablam! 
Oct 12 17:11:58.093 INFO kablam! warning: variant is never constructed: `Seq`
Oct 12 17:11:58.093 INFO kablam!  --> src/parser.rs:7:5
Oct 12 17:11:58.093 INFO kablam!   |
Oct 12 17:11:58.093 INFO kablam! 7 |     Seq,
Oct 12 17:11:58.093 INFO kablam!   |     ^^^
Oct 12 17:11:58.093 INFO kablam! 
Oct 12 17:11:58.093 INFO kablam! warning: variant is never constructed: `Expr`
Oct 12 17:11:58.093 INFO kablam!   --> src/parser.rs:21:5
Oct 12 17:11:58.093 INFO kablam!    |
Oct 12 17:11:58.093 INFO kablam! 21 |     Expr(Box<Parsed>, Box<Parsed>, ParseOp),
Oct 12 17:11:58.093 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:11:58.093 INFO kablam! 
Oct 12 17:11:58.093 INFO kablam! warning: variant is never constructed: `Param`
Oct 12 17:11:58.093 INFO kablam!   --> src/parser.rs:33:5
Oct 12 17:11:58.093 INFO kablam!    |
Oct 12 17:11:58.093 INFO kablam! 33 |     Param(String),
Oct 12 17:11:58.093 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 17:11:58.093 INFO kablam! 
Oct 12 17:11:58.093 INFO kablam! warning: variant is never constructed: `Arith`
Oct 12 17:11:58.093 INFO kablam!   --> src/parser.rs:34:5
Oct 12 17:11:58.093 INFO kablam!    |
Oct 12 17:11:58.093 INFO kablam! 34 |     Arith(String)
Oct 12 17:11:58.093 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 12 17:11:58.093 INFO kablam! 
Oct 12 17:11:58.121 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
Oct 12 17:11:58.125 INFO kablam! su: No module specific data is present
Oct 12 17:11:59.536 INFO running `"docker" "rm" "-f" "1034ef6e37e31658f72e6539d3f7a9d6b731ca0e8df9ac25853af7f73c5b0eb4"`
Oct 12 17:11:59.945 INFO blam! 1034ef6e37e31658f72e6539d3f7a9d6b731ca0e8df9ac25853af7f73c5b0eb4