Dec 19 12:26:40.281 INFO checking moreheadm/nut-shell against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:26:40.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/moreheadm/nut-shell:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:26:40.496 INFO [stdout] f2dd5b884a5a9bea9ab294aaa57179f58ef038befdde7e8ea551c40b7ec3d32f
Dec 19 12:26:40.498 INFO running `"docker" "start" "-a" "f2dd5b884a5a9bea9ab294aaa57179f58ef038befdde7e8ea551c40b7ec3d32f"`
Dec 19 12:26:41.323 INFO [stderr]     Checking bytecount v0.1.7
Dec 19 12:26:41.328 INFO [stderr]     Checking termion v1.5.1
Dec 19 12:26:42.398 INFO [stderr]     Checking liner v0.4.4
Dec 19 12:26:43.377 INFO [stderr]     Checking nut-shell v0.1.0 (/opt/crater/workdir)
Dec 19 12:26:43.580 INFO [stderr] warning: unnecessary path disambiguator
Dec 19 12:26:43.580 INFO [stderr]    --> src/execute.rs:116:39
Dec 19 12:26:43.580 INFO [stderr]     |
Dec 19 12:26:43.581 INFO [stderr] 116 |                         .collect::<Vec::<[usize; 2]>>();
Dec 19 12:26:43.581 INFO [stderr]     |                                       ^^ try removing `::`
Dec 19 12:26:43.581 INFO [stderr] 
Dec 19 12:26:43.591 INFO [stderr] warning: unnecessary path disambiguator
Dec 19 12:26:43.592 INFO [stderr]    --> src/execute.rs:116:39
Dec 19 12:26:43.592 INFO [stderr]     |
Dec 19 12:26:43.592 INFO [stderr] 116 |                         .collect::<Vec::<[usize; 2]>>();
Dec 19 12:26:43.592 INFO [stderr]     |                                       ^^ try removing `::`
Dec 19 12:26:43.592 INFO [stderr] 
Dec 19 12:26:43.744 INFO [stderr] warning: unused import: `ParseOp`
Dec 19 12:26:43.744 INFO [stderr]   --> src/main.rs:10:32
Dec 19 12:26:43.744 INFO [stderr]    |
Dec 19 12:26:43.744 INFO [stderr] 10 | use parser::{ParseRes, Parsed, ParseOp};
Dec 19 12:26:43.744 INFO [stderr]    |                                ^^^^^^^
Dec 19 12:26:43.745 INFO [stderr]    |
Dec 19 12:26:43.745 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:26:43.745 INFO [stderr] 
Dec 19 12:26:43.774 INFO [stderr] warning: unused import: `ParseOp`
Dec 19 12:26:43.774 INFO [stderr]   --> src/main.rs:10:32
Dec 19 12:26:43.774 INFO [stderr]    |
Dec 19 12:26:43.774 INFO [stderr] 10 | use parser::{ParseRes, Parsed, ParseOp};
Dec 19 12:26:43.774 INFO [stderr]    |                                ^^^^^^^
Dec 19 12:26:43.784 INFO [stderr]    |
Dec 19 12:26:43.784 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 12:26:43.784 INFO [stderr] 
Dec 19 12:26:43.976 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 19 12:26:43.976 INFO [stderr]  --> src/main.rs:8:5
Dec 19 12:26:43.976 INFO [stderr]   |
Dec 19 12:26:43.976 INFO [stderr] 8 | use std::io::BufRead;
Dec 19 12:26:43.976 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 12:26:43.976 INFO [stderr] 
Dec 19 12:26:43.976 INFO [stderr] warning: unused variable: `command`
Dec 19 12:26:43.976 INFO [stderr]   --> src/execute.rs:40:24
Dec 19 12:26:43.976 INFO [stderr]    |
Dec 19 12:26:43.976 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 19 12:26:43.976 INFO [stderr]    |                        ^^^^^^^ help: consider using `_command` instead
Dec 19 12:26:43.976 INFO [stderr]    |
Dec 19 12:26:43.976 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:26:43.976 INFO [stderr] 
Dec 19 12:26:43.976 INFO [stderr] warning: unused variable: `curr_expr`
Dec 19 12:26:43.977 INFO [stderr]    --> src/parser.rs:368:42
Dec 19 12:26:43.977 INFO [stderr]     |
Dec 19 12:26:43.977 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 19 12:26:43.977 INFO [stderr]     |                                          ^^^^^^^^^ help: consider using `_curr_expr` instead
Dec 19 12:26:43.977 INFO [stderr] 
Dec 19 12:26:43.977 INFO [stderr] warning: unused variable: `stdin`
Dec 19 12:26:43.977 INFO [stderr]   --> src/main.rs:13:9
Dec 19 12:26:43.977 INFO [stderr]    |
Dec 19 12:26:43.977 INFO [stderr] 13 |     let stdin = io::stdin();
Dec 19 12:26:43.977 INFO [stderr]    |         ^^^^^ help: consider using `_stdin` instead
Dec 19 12:26:43.977 INFO [stderr] 
Dec 19 12:26:43.988 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 19 12:26:43.988 INFO [stderr]  --> src/main.rs:8:5
Dec 19 12:26:43.988 INFO [stderr]   |
Dec 19 12:26:43.988 INFO [stderr] 8 | use std::io::BufRead;
Dec 19 12:26:43.988 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 12:26:43.988 INFO [stderr] 
Dec 19 12:26:44.001 INFO [stderr] warning: unused variable: `command`
Dec 19 12:26:44.001 INFO [stderr]   --> src/execute.rs:40:24
Dec 19 12:26:44.001 INFO [stderr]    |
Dec 19 12:26:44.001 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 19 12:26:44.001 INFO [stderr]    |                        ^^^^^^^ help: consider using `_command` instead
Dec 19 12:26:44.004 INFO [stderr]    |
Dec 19 12:26:44.004 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:26:44.004 INFO [stderr] 
Dec 19 12:26:44.005 INFO [stderr] warning: unused variable: `curr_expr`
Dec 19 12:26:44.005 INFO [stderr]    --> src/parser.rs:368:42
Dec 19 12:26:44.005 INFO [stderr]     |
Dec 19 12:26:44.005 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 19 12:26:44.005 INFO [stderr]     |                                          ^^^^^^^^^ help: consider using `_curr_expr` instead
Dec 19 12:26:44.005 INFO [stderr] 
Dec 19 12:26:44.008 INFO [stderr] warning: unused variable: `stdin`
Dec 19 12:26:44.008 INFO [stderr]   --> src/main.rs:13:9
Dec 19 12:26:44.008 INFO [stderr]    |
Dec 19 12:26:44.008 INFO [stderr] 13 |     let stdin = io::stdin();
Dec 19 12:26:44.009 INFO [stderr]    |         ^^^^^ help: consider using `_stdin` instead
Dec 19 12:26:44.009 INFO [stderr] 
Dec 19 12:26:44.057 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:26:44.058 INFO [stderr]    --> src/parser.rs:368:38
Dec 19 12:26:44.058 INFO [stderr]     |
Dec 19 12:26:44.058 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 19 12:26:44.059 INFO [stderr]     |                                      ----^^^^^^^^^
Dec 19 12:26:44.059 INFO [stderr]     |                                      |
Dec 19 12:26:44.059 INFO [stderr]     |                                      help: remove this `mut`
Dec 19 12:26:44.060 INFO [stderr]     |
Dec 19 12:26:44.060 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:26:44.060 INFO [stderr] 
Dec 19 12:26:44.060 INFO [stderr] warning: function is never used: `run_builtin`
Dec 19 12:26:44.061 INFO [stderr]   --> src/execute.rs:40:5
Dec 19 12:26:44.061 INFO [stderr]    |
Dec 19 12:26:44.061 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 19 12:26:44.061 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:26:44.062 INFO [stderr]    |
Dec 19 12:26:44.062 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:26:44.062 INFO [stderr] 
Dec 19 12:26:44.062 INFO [stderr] warning: variant is never constructed: `And`
Dec 19 12:26:44.063 INFO [stderr]  --> src/parser.rs:5:5
Dec 19 12:26:44.063 INFO [stderr]   |
Dec 19 12:26:44.063 INFO [stderr] 5 |     And,
Dec 19 12:26:44.064 INFO [stderr]   |     ^^^
Dec 19 12:26:44.064 INFO [stderr] 
Dec 19 12:26:44.064 INFO [stderr] warning: variant is never constructed: `Or`
Dec 19 12:26:44.064 INFO [stderr]  --> src/parser.rs:6:5
Dec 19 12:26:44.065 INFO [stderr]   |
Dec 19 12:26:44.065 INFO [stderr] 6 |     Or,
Dec 19 12:26:44.065 INFO [stderr]   |     ^^
Dec 19 12:26:44.065 INFO [stderr] 
Dec 19 12:26:44.066 INFO [stderr] warning: variant is never constructed: `Seq`
Dec 19 12:26:44.066 INFO [stderr]  --> src/parser.rs:7:5
Dec 19 12:26:44.066 INFO [stderr]   |
Dec 19 12:26:44.067 INFO [stderr] 7 |     Seq,
Dec 19 12:26:44.067 INFO [stderr]   |     ^^^
Dec 19 12:26:44.067 INFO [stderr] 
Dec 19 12:26:44.067 INFO [stderr] warning: variant is never constructed: `Expr`
Dec 19 12:26:44.068 INFO [stderr]   --> src/parser.rs:21:5
Dec 19 12:26:44.068 INFO [stderr]    |
Dec 19 12:26:44.068 INFO [stderr] 21 |     Expr(Box<Parsed>, Box<Parsed>, ParseOp),
Dec 19 12:26:44.068 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:26:44.068 INFO [stderr] 
Dec 19 12:26:44.069 INFO [stderr] warning: variant is never constructed: `Param`
Dec 19 12:26:44.069 INFO [stderr]   --> src/parser.rs:33:5
Dec 19 12:26:44.069 INFO [stderr]    |
Dec 19 12:26:44.069 INFO [stderr] 33 |     Param(String),
Dec 19 12:26:44.069 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:26:44.069 INFO [stderr] 
Dec 19 12:26:44.069 INFO [stderr] warning: variant is never constructed: `Arith`
Dec 19 12:26:44.069 INFO [stderr]   --> src/parser.rs:34:5
Dec 19 12:26:44.069 INFO [stderr]    |
Dec 19 12:26:44.069 INFO [stderr] 34 |     Arith(String)
Dec 19 12:26:44.069 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:26:44.069 INFO [stderr] 
Dec 19 12:26:44.106 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:26:44.106 INFO [stderr]    --> src/parser.rs:368:38
Dec 19 12:26:44.106 INFO [stderr]     |
Dec 19 12:26:44.106 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 19 12:26:44.106 INFO [stderr]     |                                      ----^^^^^^^^^
Dec 19 12:26:44.106 INFO [stderr]     |                                      |
Dec 19 12:26:44.106 INFO [stderr]     |                                      help: remove this `mut`
Dec 19 12:26:44.107 INFO [stderr]     |
Dec 19 12:26:44.107 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:26:44.107 INFO [stderr] 
Dec 19 12:26:44.130 INFO [stderr] warning: function is never used: `run_builtin`
Dec 19 12:26:44.130 INFO [stderr]   --> src/execute.rs:40:5
Dec 19 12:26:44.130 INFO [stderr]    |
Dec 19 12:26:44.130 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 19 12:26:44.130 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:26:44.130 INFO [stderr]    |
Dec 19 12:26:44.131 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:26:44.131 INFO [stderr] 
Dec 19 12:26:44.131 INFO [stderr] warning: variant is never constructed: `And`
Dec 19 12:26:44.131 INFO [stderr]  --> src/parser.rs:5:5
Dec 19 12:26:44.131 INFO [stderr]   |
Dec 19 12:26:44.132 INFO [stderr] 5 |     And,
Dec 19 12:26:44.132 INFO [stderr]   |     ^^^
Dec 19 12:26:44.132 INFO [stderr] 
Dec 19 12:26:44.132 INFO [stderr] warning: variant is never constructed: `Or`
Dec 19 12:26:44.132 INFO [stderr]  --> src/parser.rs:6:5
Dec 19 12:26:44.132 INFO [stderr]   |
Dec 19 12:26:44.133 INFO [stderr] 6 |     Or,
Dec 19 12:26:44.133 INFO [stderr]   |     ^^
Dec 19 12:26:44.133 INFO [stderr] 
Dec 19 12:26:44.133 INFO [stderr] warning: variant is never constructed: `Seq`
Dec 19 12:26:44.133 INFO [stderr]  --> src/parser.rs:7:5
Dec 19 12:26:44.134 INFO [stderr]   |
Dec 19 12:26:44.134 INFO [stderr] 7 |     Seq,
Dec 19 12:26:44.134 INFO [stderr]   |     ^^^
Dec 19 12:26:44.134 INFO [stderr] 
Dec 19 12:26:44.134 INFO [stderr] warning: variant is never constructed: `Expr`
Dec 19 12:26:44.134 INFO [stderr]   --> src/parser.rs:21:5
Dec 19 12:26:44.135 INFO [stderr]    |
Dec 19 12:26:44.135 INFO [stderr] 21 |     Expr(Box<Parsed>, Box<Parsed>, ParseOp),
Dec 19 12:26:44.135 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:26:44.135 INFO [stderr] 
Dec 19 12:26:44.135 INFO [stderr] warning: variant is never constructed: `Param`
Dec 19 12:26:44.135 INFO [stderr]   --> src/parser.rs:33:5
Dec 19 12:26:44.136 INFO [stderr]    |
Dec 19 12:26:44.136 INFO [stderr] 33 |     Param(String),
Dec 19 12:26:44.136 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:26:44.136 INFO [stderr] 
Dec 19 12:26:44.136 INFO [stderr] warning: variant is never constructed: `Arith`
Dec 19 12:26:44.136 INFO [stderr]   --> src/parser.rs:34:5
Dec 19 12:26:44.136 INFO [stderr]    |
Dec 19 12:26:44.136 INFO [stderr] 34 |     Arith(String)
Dec 19 12:26:44.137 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 12:26:44.137 INFO [stderr] 
Dec 19 12:26:44.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
Dec 19 12:26:45.517 INFO running `"docker" "inspect" "f2dd5b884a5a9bea9ab294aaa57179f58ef038befdde7e8ea551c40b7ec3d32f"`
Dec 19 12:26:45.906 INFO running `"docker" "rm" "-f" "f2dd5b884a5a9bea9ab294aaa57179f58ef038befdde7e8ea551c40b7ec3d32f"`
Dec 19 12:26:46.248 INFO [stdout] f2dd5b884a5a9bea9ab294aaa57179f58ef038befdde7e8ea551c40b7ec3d32f