[INFO] updating cached repository https://github.com/fcofdez/rshell
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b173493cbadf91f35c42c1178f270e21abc05bc4
[INFO] checking fcofdez/rshell against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffcofdez%2Frshell" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fcofdez/rshell on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fcofdez/rshell
[INFO] finished tweaking git repo https://github.com/fcofdez/rshell
[INFO] tweaked toml for git repo https://github.com/fcofdez/rshell written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fcofdez/rshell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df645d2816098763bbf803b38893d67e035ab278d3c5567315de12f0dceb175e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "df645d2816098763bbf803b38893d67e035ab278d3c5567315de12f0dceb175e"`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking rshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::env::current_dir`
[INFO] [stderr]  --> src/parser/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env::current_dir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/parser/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]   --> src/parser/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     GreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/parser/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoubleLessThan`
[INFO] [stderr]   --> src/parser/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     DoubleLessThan,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoubleGreaterThan`
[INFO] [stderr]   --> src/parser/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     DoubleGreaterThan,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThanAmp`
[INFO] [stderr]   --> src/parser/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     LessThanAmp,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThanAmp`
[INFO] [stderr]   --> src/parser/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     GreaterThanAmp,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/parser/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessLessMinus`
[INFO] [stderr]   --> src/parser/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     LessLessMinus,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessGreater`
[INFO] [stderr]   --> src/parser/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     LessGreater,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterPipe`
[INFO] [stderr]   --> src/parser/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     GreaterPipe,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pipe`
[INFO] [stderr]   --> src/parser/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Pipe,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoublePipe`
[INFO] [stderr]   --> src/parser/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     DoublePipe,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LParen`
[INFO] [stderr]   --> src/parser/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     LParen,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RParen`
[INFO] [stderr]   --> src/parser/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     RParen,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LBrace`
[INFO] [stderr]   --> src/parser/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     LBrace,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RBrace`
[INFO] [stderr]   --> src/parser/mod.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     RBrace,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SemiColon`
[INFO] [stderr]   --> src/parser/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     SemiColon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoubleSemiColon`
[INFO] [stderr]   --> src/parser/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     DoubleSemiColon,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LBracket`
[INFO] [stderr]   --> src/parser/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     LBracket,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RBracket`
[INFO] [stderr]   --> src/parser/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     RBracket,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ampersand`
[INFO] [stderr]   --> src/parser/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Ampersand,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoubleAmpersand`
[INFO] [stderr]   --> src/parser/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     DoubleAmpersand,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ExclamationMark`
[INFO] [stderr]   --> src/parser/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     ExclamationMark,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/parser/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     If,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Then`
[INFO] [stderr]   --> src/parser/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Then,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/parser/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Else,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ElIf`
[INFO] [stderr]   --> src/parser/mod.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ElIf,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndIf`
[INFO] [stderr]   --> src/parser/mod.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     EndIf,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `For`
[INFO] [stderr]   --> src/parser/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     For,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Do`
[INFO] [stderr]   --> src/parser/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Do,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Done`
[INFO] [stderr]   --> src/parser/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Done,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Case`
[INFO] [stderr]   --> src/parser/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     Case,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Esac`
[INFO] [stderr]   --> src/parser/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Esac,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]   --> src/parser/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     While,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Until`
[INFO] [stderr]   --> src/parser/mod.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Until,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/parser/mod.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Function,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Select`
[INFO] [stderr]   --> src/parser/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Select,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]   --> src/parser/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Equals,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Word`
[INFO] [stderr]   --> src/parser/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Word(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/parser/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Number(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StringLiteral`
[INFO] [stderr]   --> src/parser/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     StringLiteral(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Variable`
[INFO] [stderr]   --> src/parser/mod.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Variable(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Illegal`
[INFO] [stderr]   --> src/parser/mod.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Illegal,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOF`
[INFO] [stderr]   --> src/parser/mod.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     EOF,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_alpha_or_underscore`
[INFO] [stderr]   --> src/parser/mod.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn is_alpha_or_underscore(c: u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `complete_byte_slice_str_from_utf8`
[INFO] [stderr]   --> src/parser/mod.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn complete_byte_slice_str_from_utf8(c: CompleteByteSlice) -> Result<CompleteStr, str::Utf8Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_variable`
[INFO] [stderr]    --> src/parser/mod.rs:124:4
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn to_variable(token: Token) -> Token {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_str`
[INFO] [stderr]    --> src/parser/mod.rs:138:4
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn parse_str(str_slice: CompleteByteSlice) -> Token {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_reserved`
[INFO] [stderr]    --> src/parser/mod.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn parse_reserved(letter: CompleteStr, rest: Option<CompleteStr>) -> Token {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]    --> src/parser/mod.rs:324:12
[INFO] [stderr]     |
[INFO] [stderr] 324 | pub struct Lexer;
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lex_tokens`
[INFO] [stderr]    --> src/parser/mod.rs:327:5
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub fn lex_tokens(bytes: &[u8]) -> IResult<CompleteByteSlice, Vec<Token>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 55 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parser/mod.rs:411:5
[INFO] [stderr]     |
[INFO] [stderr] 411 |     f.read_to_end(&mut buf);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.70s
[INFO] running `"docker" "inspect" "df645d2816098763bbf803b38893d67e035ab278d3c5567315de12f0dceb175e"`
[INFO] running `"docker" "rm" "-f" "df645d2816098763bbf803b38893d67e035ab278d3c5567315de12f0dceb175e"`
[INFO] [stdout] df645d2816098763bbf803b38893d67e035ab278d3c5567315de12f0dceb175e