Dec 17 19:23:37.233 INFO checking moreheadm/nut-shell against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:23:37.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:23:37.778 INFO [stdout] 39f986c3c34233fb1e78eabc80671ae00b301dc964be720c9739e34c50383492
Dec 17 19:23:37.784 INFO running `"docker" "start" "-a" "39f986c3c34233fb1e78eabc80671ae00b301dc964be720c9739e34c50383492"`
Dec 17 19:23:41.295 INFO [stderr]     Checking bytecount v0.1.7
Dec 17 19:23:41.295 INFO [stderr]     Checking termion v1.5.1
Dec 17 19:23:42.506 INFO [stderr]     Checking liner v0.4.4
Dec 17 19:23:43.552 INFO [stderr]     Checking nut-shell v0.1.0 (/opt/crater/workdir)
Dec 17 19:23:43.716 INFO [stderr] warning: unnecessary path disambiguator
Dec 17 19:23:43.716 INFO [stderr]    --> src/execute.rs:116:39
Dec 17 19:23:43.716 INFO [stderr]     |
Dec 17 19:23:43.716 INFO [stderr] 116 |                         .collect::<Vec::<[usize; 2]>>();
Dec 17 19:23:43.716 INFO [stderr]     |                                       ^^ try removing `::`
Dec 17 19:23:43.716 INFO [stderr] 
Dec 17 19:23:43.746 INFO [stderr] warning: unnecessary path disambiguator
Dec 17 19:23:43.746 INFO [stderr]    --> src/execute.rs:116:39
Dec 17 19:23:43.746 INFO [stderr]     |
Dec 17 19:23:43.746 INFO [stderr] 116 |                         .collect::<Vec::<[usize; 2]>>();
Dec 17 19:23:43.746 INFO [stderr]     |                                       ^^ try removing `::`
Dec 17 19:23:43.746 INFO [stderr] 
Dec 17 19:23:43.956 INFO [stderr] warning: unused import: `ParseOp`
Dec 17 19:23:43.956 INFO [stderr]   --> src/main.rs:10:32
Dec 17 19:23:43.956 INFO [stderr]    |
Dec 17 19:23:43.956 INFO [stderr] 10 | use parser::{ParseRes, Parsed, ParseOp};
Dec 17 19:23:43.956 INFO [stderr]    |                                ^^^^^^^
Dec 17 19:23:43.956 INFO [stderr]    |
Dec 17 19:23:43.956 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:23:43.956 INFO [stderr] 
Dec 17 19:23:43.960 INFO [stderr] warning: unused import: `ParseOp`
Dec 17 19:23:43.960 INFO [stderr]   --> src/main.rs:10:32
Dec 17 19:23:43.960 INFO [stderr]    |
Dec 17 19:23:43.960 INFO [stderr] 10 | use parser::{ParseRes, Parsed, ParseOp};
Dec 17 19:23:43.960 INFO [stderr]    |                                ^^^^^^^
Dec 17 19:23:43.960 INFO [stderr]    |
Dec 17 19:23:43.960 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 19:23:43.960 INFO [stderr] 
Dec 17 19:23:44.148 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 17 19:23:44.149 INFO [stderr]  --> src/main.rs:8:5
Dec 17 19:23:44.149 INFO [stderr]   |
Dec 17 19:23:44.149 INFO [stderr] 8 | use std::io::BufRead;
Dec 17 19:23:44.150 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 19:23:44.150 INFO [stderr] 
Dec 17 19:23:44.168 INFO [stderr] warning: unused variable: `command`
Dec 17 19:23:44.169 INFO [stderr]   --> src/execute.rs:40:24
Dec 17 19:23:44.169 INFO [stderr]    |
Dec 17 19:23:44.169 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 17 19:23:44.170 INFO [stderr]    |                        ^^^^^^^ help: consider using `_command` instead
Dec 17 19:23:44.170 INFO [stderr]    |
Dec 17 19:23:44.170 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:23:44.171 INFO [stderr] 
Dec 17 19:23:44.171 INFO [stderr] warning: unused variable: `curr_expr`
Dec 17 19:23:44.172 INFO [stderr]    --> src/parser.rs:368:42
Dec 17 19:23:44.172 INFO [stderr]     |
Dec 17 19:23:44.172 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 17 19:23:44.172 INFO [stderr]     |                                          ^^^^^^^^^ help: consider using `_curr_expr` instead
Dec 17 19:23:44.172 INFO [stderr] 
Dec 17 19:23:44.172 INFO [stderr] warning: unused variable: `stdin`
Dec 17 19:23:44.172 INFO [stderr]   --> src/main.rs:13:9
Dec 17 19:23:44.172 INFO [stderr]    |
Dec 17 19:23:44.172 INFO [stderr] 13 |     let stdin = io::stdin();
Dec 17 19:23:44.172 INFO [stderr]    |         ^^^^^ help: consider using `_stdin` instead
Dec 17 19:23:44.172 INFO [stderr] 
Dec 17 19:23:44.202 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 17 19:23:44.202 INFO [stderr]  --> src/main.rs:8:5
Dec 17 19:23:44.202 INFO [stderr]   |
Dec 17 19:23:44.202 INFO [stderr] 8 | use std::io::BufRead;
Dec 17 19:23:44.203 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 19:23:44.203 INFO [stderr] 
Dec 17 19:23:44.233 INFO [stderr] warning: unused variable: `command`
Dec 17 19:23:44.233 INFO [stderr]   --> src/execute.rs:40:24
Dec 17 19:23:44.233 INFO [stderr]    |
Dec 17 19:23:44.233 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 17 19:23:44.233 INFO [stderr]    |                        ^^^^^^^ help: consider using `_command` instead
Dec 17 19:23:44.233 INFO [stderr]    |
Dec 17 19:23:44.233 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:23:44.233 INFO [stderr] 
Dec 17 19:23:44.233 INFO [stderr] warning: unused variable: `curr_expr`
Dec 17 19:23:44.233 INFO [stderr]    --> src/parser.rs:368:42
Dec 17 19:23:44.233 INFO [stderr]     |
Dec 17 19:23:44.233 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 17 19:23:44.233 INFO [stderr]     |                                          ^^^^^^^^^ help: consider using `_curr_expr` instead
Dec 17 19:23:44.233 INFO [stderr] 
Dec 17 19:23:44.234 INFO [stderr] warning: unused variable: `stdin`
Dec 17 19:23:44.234 INFO [stderr]   --> src/main.rs:13:9
Dec 17 19:23:44.234 INFO [stderr]    |
Dec 17 19:23:44.234 INFO [stderr] 13 |     let stdin = io::stdin();
Dec 17 19:23:44.234 INFO [stderr]    |         ^^^^^ help: consider using `_stdin` instead
Dec 17 19:23:44.234 INFO [stderr] 
Dec 17 19:23:44.236 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:23:44.236 INFO [stderr]    --> src/parser.rs:368:38
Dec 17 19:23:44.236 INFO [stderr]     |
Dec 17 19:23:44.236 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 17 19:23:44.236 INFO [stderr]     |                                      ----^^^^^^^^^
Dec 17 19:23:44.236 INFO [stderr]     |                                      |
Dec 17 19:23:44.236 INFO [stderr]     |                                      help: remove this `mut`
Dec 17 19:23:44.236 INFO [stderr]     |
Dec 17 19:23:44.236 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 19:23:44.236 INFO [stderr] 
Dec 17 19:23:44.236 INFO [stderr] warning: function is never used: `run_builtin`
Dec 17 19:23:44.236 INFO [stderr]   --> src/execute.rs:40:5
Dec 17 19:23:44.236 INFO [stderr]    |
Dec 17 19:23:44.236 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 17 19:23:44.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:23:44.236 INFO [stderr]    |
Dec 17 19:23:44.236 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:23:44.236 INFO [stderr] 
Dec 17 19:23:44.237 INFO [stderr] warning: variant is never constructed: `And`
Dec 17 19:23:44.237 INFO [stderr]  --> src/parser.rs:5:5
Dec 17 19:23:44.237 INFO [stderr]   |
Dec 17 19:23:44.237 INFO [stderr] 5 |     And,
Dec 17 19:23:44.237 INFO [stderr]   |     ^^^
Dec 17 19:23:44.237 INFO [stderr] 
Dec 17 19:23:44.237 INFO [stderr] warning: variant is never constructed: `Or`
Dec 17 19:23:44.237 INFO [stderr]  --> src/parser.rs:6:5
Dec 17 19:23:44.237 INFO [stderr]   |
Dec 17 19:23:44.237 INFO [stderr] 6 |     Or,
Dec 17 19:23:44.237 INFO [stderr]   |     ^^
Dec 17 19:23:44.237 INFO [stderr] 
Dec 17 19:23:44.237 INFO [stderr] warning: variant is never constructed: `Seq`
Dec 17 19:23:44.237 INFO [stderr]  --> src/parser.rs:7:5
Dec 17 19:23:44.237 INFO [stderr]   |
Dec 17 19:23:44.237 INFO [stderr] 7 |     Seq,
Dec 17 19:23:44.237 INFO [stderr]   |     ^^^
Dec 17 19:23:44.237 INFO [stderr] 
Dec 17 19:23:44.237 INFO [stderr] warning: variant is never constructed: `Expr`
Dec 17 19:23:44.237 INFO [stderr]   --> src/parser.rs:21:5
Dec 17 19:23:44.237 INFO [stderr]    |
Dec 17 19:23:44.237 INFO [stderr] 21 |     Expr(Box<Parsed>, Box<Parsed>, ParseOp),
Dec 17 19:23:44.237 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:23:44.237 INFO [stderr] 
Dec 17 19:23:44.237 INFO [stderr] warning: variant is never constructed: `Param`
Dec 17 19:23:44.237 INFO [stderr]   --> src/parser.rs:33:5
Dec 17 19:23:44.237 INFO [stderr]    |
Dec 17 19:23:44.237 INFO [stderr] 33 |     Param(String),
Dec 17 19:23:44.237 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 19:23:44.237 INFO [stderr] 
Dec 17 19:23:44.237 INFO [stderr] warning: variant is never constructed: `Arith`
Dec 17 19:23:44.237 INFO [stderr]   --> src/parser.rs:34:5
Dec 17 19:23:44.237 INFO [stderr]    |
Dec 17 19:23:44.237 INFO [stderr] 34 |     Arith(String)
Dec 17 19:23:44.237 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 19:23:44.237 INFO [stderr] 
Dec 17 19:23:44.348 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:23:44.348 INFO [stderr]    --> src/parser.rs:368:38
Dec 17 19:23:44.348 INFO [stderr]     |
Dec 17 19:23:44.348 INFO [stderr] 368 | fn parse_bracketed_param(text: &str, mut curr_expr: String) -> (ParseRes<Token>, &str) {
Dec 17 19:23:44.348 INFO [stderr]     |                                      ----^^^^^^^^^
Dec 17 19:23:44.348 INFO [stderr]     |                                      |
Dec 17 19:23:44.348 INFO [stderr]     |                                      help: remove this `mut`
Dec 17 19:23:44.348 INFO [stderr]     |
Dec 17 19:23:44.348 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 19:23:44.348 INFO [stderr] 
Dec 17 19:23:44.354 INFO [stderr] warning: function is never used: `run_builtin`
Dec 17 19:23:44.354 INFO [stderr]   --> src/execute.rs:40:5
Dec 17 19:23:44.354 INFO [stderr]    |
Dec 17 19:23:44.354 INFO [stderr] 40 |     pub fn run_builtin(command: &Vec<String>) {
Dec 17 19:23:44.354 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:23:44.354 INFO [stderr]    |
Dec 17 19:23:44.364 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:23:44.364 INFO [stderr] 
Dec 17 19:23:44.365 INFO [stderr] warning: variant is never constructed: `And`
Dec 17 19:23:44.365 INFO [stderr]  --> src/parser.rs:5:5
Dec 17 19:23:44.365 INFO [stderr]   |
Dec 17 19:23:44.365 INFO [stderr] 5 |     And,
Dec 17 19:23:44.365 INFO [stderr]   |     ^^^
Dec 17 19:23:44.365 INFO [stderr] 
Dec 17 19:23:44.365 INFO [stderr] warning: variant is never constructed: `Or`
Dec 17 19:23:44.365 INFO [stderr]  --> src/parser.rs:6:5
Dec 17 19:23:44.365 INFO [stderr]   |
Dec 17 19:23:44.365 INFO [stderr] 6 |     Or,
Dec 17 19:23:44.365 INFO [stderr]   |     ^^
Dec 17 19:23:44.365 INFO [stderr] 
Dec 17 19:23:44.365 INFO [stderr] warning: variant is never constructed: `Seq`
Dec 17 19:23:44.365 INFO [stderr]  --> src/parser.rs:7:5
Dec 17 19:23:44.365 INFO [stderr]   |
Dec 17 19:23:44.365 INFO [stderr] 7 |     Seq,
Dec 17 19:23:44.365 INFO [stderr]   |     ^^^
Dec 17 19:23:44.365 INFO [stderr] 
Dec 17 19:23:44.365 INFO [stderr] warning: variant is never constructed: `Expr`
Dec 17 19:23:44.365 INFO [stderr]   --> src/parser.rs:21:5
Dec 17 19:23:44.365 INFO [stderr]    |
Dec 17 19:23:44.365 INFO [stderr] 21 |     Expr(Box<Parsed>, Box<Parsed>, ParseOp),
Dec 17 19:23:44.365 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:23:44.365 INFO [stderr] 
Dec 17 19:23:44.365 INFO [stderr] warning: variant is never constructed: `Param`
Dec 17 19:23:44.365 INFO [stderr]   --> src/parser.rs:33:5
Dec 17 19:23:44.365 INFO [stderr]    |
Dec 17 19:23:44.365 INFO [stderr] 33 |     Param(String),
Dec 17 19:23:44.365 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 19:23:44.365 INFO [stderr] 
Dec 17 19:23:44.365 INFO [stderr] warning: variant is never constructed: `Arith`
Dec 17 19:23:44.365 INFO [stderr]   --> src/parser.rs:34:5
Dec 17 19:23:44.365 INFO [stderr]    |
Dec 17 19:23:44.365 INFO [stderr] 34 |     Arith(String)
Dec 17 19:23:44.366 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 19:23:44.366 INFO [stderr] 
Dec 17 19:23:44.405 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
Dec 17 19:23:46.492 INFO running `"docker" "inspect" "39f986c3c34233fb1e78eabc80671ae00b301dc964be720c9739e34c50383492"`
Dec 17 19:23:46.755 INFO running `"docker" "rm" "-f" "39f986c3c34233fb1e78eabc80671ae00b301dc964be720c9739e34c50383492"`
Dec 17 19:23:47.076 INFO [stdout] 39f986c3c34233fb1e78eabc80671ae00b301dc964be720c9739e34c50383492