[INFO] cloning repository https://github.com/AumyF/haksh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AumyF/haksh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Fhaksh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Fhaksh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2850a1ee77ea7b6201f53f28405bb03d604fd1f2
[INFO] testing AumyF/haksh against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAumyF%2Fhaksh" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/AumyF/haksh
[INFO] finished tweaking git repo https://github.com/AumyF/haksh
[INFO] tweaked toml for git repo https://github.com/AumyF/haksh written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AumyF/haksh on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AumyF/haksh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b66f589a45094ecd5d0e4253566219cf44dda5e2fc211c39e696af8c21cf4049
[INFO] running `Command { std: "docker" "start" "-a" "b66f589a45094ecd5d0e4253566219cf44dda5e2fc211c39e696af8c21cf4049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b66f589a45094ecd5d0e4253566219cf44dda5e2fc211c39e696af8c21cf4049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66f589a45094ecd5d0e4253566219cf44dda5e2fc211c39e696af8c21cf4049", kill_on_drop: false }`
[INFO] [stdout] b66f589a45094ecd5d0e4253566219cf44dda5e2fc211c39e696af8c21cf4049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da71c444dcb5c940799631e3bc6cfe20a944d72ebe21ebfd75e5a09e5aa0908
[INFO] running `Command { std: "docker" "start" "-a" "0da71c444dcb5c940799631e3bc6cfe20a944d72ebe21ebfd75e5a09e5aa0908", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pin-project v1.1.5
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[INFO] [stderr]    Compiling haksh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `notify_debouncer_full::DebouncedEvent`
[INFO] [stdout]    --> src/interpreter.rs:394:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 use notify_debouncer_full::DebouncedEvent;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/interpreter.rs:397:31
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `line_ending` and `preceded`
[INFO] [stdout]  --> src/parser.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, space0, space1, u64},
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     sequence::{delimited, pair, preceded, terminated, tuple},
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]    --> src/interpreter.rs:397:37
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/interpreter.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 TaggedString::Regex(r) => {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/interpreter.rs:285:68
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 let current_dir = std::env::current_dir().map_err(|e| "IOError")?;
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_sub` is never used
[INFO] [stdout]   --> src/parser.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn add_sub(input: &str) -> IResult<&str, BinOp<AddSubOp>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binop` is never used
[INFO] [stdout]   --> src/parser.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn binop<'t, Op: crate::interpreter::BinaryOperator, E: ParseError<&'t str>, G>(
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_div` is never used
[INFO] [stdout]   --> src/parser.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mul_div(input: &str) -> IResult<&str, BinOp<MulDivOp>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Option` is never constructed
[INFO] [stdout]    --> src/parser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     enum Type {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] 102 |         Option(String, PrimaryExpr),
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 bufr.seek(SeekFrom::End(0));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 let _ = bufr.seek(SeekFrom::End(0));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "0da71c444dcb5c940799631e3bc6cfe20a944d72ebe21ebfd75e5a09e5aa0908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da71c444dcb5c940799631e3bc6cfe20a944d72ebe21ebfd75e5a09e5aa0908", kill_on_drop: false }`
[INFO] [stdout] 0da71c444dcb5c940799631e3bc6cfe20a944d72ebe21ebfd75e5a09e5aa0908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a47b66cdac35f36f9dccd7492e8ac871df8bf20f5e11b6c5e9be944e4a2cbce8
[INFO] running `Command { std: "docker" "start" "-a" "a47b66cdac35f36f9dccd7492e8ac871df8bf20f5e11b6c5e9be944e4a2cbce8", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `notify_debouncer_full::DebouncedEvent`
[INFO] [stdout]    --> src/interpreter.rs:394:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 use notify_debouncer_full::DebouncedEvent;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/interpreter.rs:397:31
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `line_ending` and `preceded`
[INFO] [stdout]  --> src/parser.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, space0, space1, u64},
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     sequence::{delimited, pair, preceded, terminated, tuple},
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]    --> src/interpreter.rs:397:37
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/interpreter.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 TaggedString::Regex(r) => {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/interpreter.rs:285:68
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 let current_dir = std::env::current_dir().map_err(|e| "IOError")?;
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_sub` is never used
[INFO] [stdout]   --> src/parser.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn add_sub(input: &str) -> IResult<&str, BinOp<AddSubOp>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binop` is never used
[INFO] [stdout]   --> src/parser.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn binop<'t, Op: crate::interpreter::BinaryOperator, E: ParseError<&'t str>, G>(
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_div` is never used
[INFO] [stdout]   --> src/parser.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mul_div(input: &str) -> IResult<&str, BinOp<MulDivOp>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Option` is never constructed
[INFO] [stdout]    --> src/parser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     enum Type {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] 102 |         Option(String, PrimaryExpr),
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 bufr.seek(SeekFrom::End(0));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 let _ = bufr.seek(SeekFrom::End(0));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling haksh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `notify_debouncer_full::DebouncedEvent`
[INFO] [stdout]    --> src/interpreter.rs:394:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 use notify_debouncer_full::DebouncedEvent;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/interpreter.rs:397:31
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `line_ending` and `preceded`
[INFO] [stdout]  --> src/parser.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, space0, space1, u64},
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     sequence::{delimited, pair, preceded, terminated, tuple},
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]    --> src/interpreter.rs:397:37
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/interpreter.rs:205:37
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 TaggedString::Regex(r) => {
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/interpreter.rs:285:68
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 let current_dir = std::env::current_dir().map_err(|e| "IOError")?;
[INFO] [stdout]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_sub` is never used
[INFO] [stdout]   --> src/parser.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn add_sub(input: &str) -> IResult<&str, BinOp<AddSubOp>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binop` is never used
[INFO] [stdout]   --> src/parser.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn binop<'t, Op: crate::interpreter::BinaryOperator, E: ParseError<&'t str>, G>(
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_div` is never used
[INFO] [stdout]   --> src/parser.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn mul_div(input: &str) -> IResult<&str, BinOp<MulDivOp>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Option` is never constructed
[INFO] [stdout]    --> src/parser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     enum Type {
[INFO] [stdout]     |          ---- variant in this enum
[INFO] [stdout] 102 |         Option(String, PrimaryExpr),
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:411:17
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 bufr.seek(SeekFrom::End(0));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 let _ = bufr.seek(SeekFrom::End(0));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "a47b66cdac35f36f9dccd7492e8ac871df8bf20f5e11b6c5e9be944e4a2cbce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47b66cdac35f36f9dccd7492e8ac871df8bf20f5e11b6c5e9be944e4a2cbce8", kill_on_drop: false }`
[INFO] [stdout] a47b66cdac35f36f9dccd7492e8ac871df8bf20f5e11b6c5e9be944e4a2cbce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a81bf299e1f7308fb700f737bf3234db3b31f4ffaef1c3f5782d9ddcf06cf74f
[INFO] running `Command { std: "docker" "start" "-a" "a81bf299e1f7308fb700f737bf3234db3b31f4ffaef1c3f5782d9ddcf06cf74f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `notify_debouncer_full::DebouncedEvent`
[INFO] [stderr]    --> src/interpreter.rs:394:21
[INFO] [stderr]     |
[INFO] [stderr] 394 |                 use notify_debouncer_full::DebouncedEvent;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]    --> src/interpreter.rs:397:31
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stderr]     |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `line_ending` and `preceded`
[INFO] [stderr]  --> src/parser.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     character::complete::{char, line_ending, multispace0, space0, space1, u64},
[INFO] [stderr]   |                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 8 |     sequence::{delimited, pair, preceded, terminated, tuple},
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]    --> src/interpreter.rs:397:37
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 use std::io::{self, BufRead, Read, Seek, SeekFrom};
[INFO] [stderr]     |                                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interpreter.rs:205:37
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 TaggedString::Regex(r) => {
[INFO] [stderr]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/interpreter.rs:285:68
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 let current_dir = std::env::current_dir().map_err(|e| "IOError")?;
[INFO] [stderr]     |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_sub` is never used
[INFO] [stderr]   --> src/parser.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn add_sub(input: &str) -> IResult<&str, BinOp<AddSubOp>> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `binop` is never used
[INFO] [stderr]   --> src/parser.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn binop<'t, Op: crate::interpreter::BinaryOperator, E: ParseError<&'t str>, G>(
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul_div` is never used
[INFO] [stderr]   --> src/parser.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn mul_div(input: &str) -> IResult<&str, BinOp<MulDivOp>> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Option` is never constructed
[INFO] [stderr]    --> src/parser.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     enum Type {
[INFO] [stderr]     |          ---- variant in this enum
[INFO] [stderr] 102 |         Option(String, PrimaryExpr),
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:411:17
[INFO] [stderr]     |
[INFO] [stderr] 411 |                 bufr.seek(SeekFrom::End(0));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 411 |                 let _ = bufr.seek(SeekFrom::End(0));
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `haksh` (lib) generated 11 warnings (run `cargo fix --lib -p haksh` to apply 5 suggestions)
[INFO] [stderr] warning: `haksh` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/haksh-a244c0bedf3e7ccf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parser::test_fa ... ok
[INFO] [stdout] test parser::test_fab ... ok
[INFO] [stdout] test parser::test_i ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/haksh-cf094f4bc81a4d82)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests haksh
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a81bf299e1f7308fb700f737bf3234db3b31f4ffaef1c3f5782d9ddcf06cf74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81bf299e1f7308fb700f737bf3234db3b31f4ffaef1c3f5782d9ddcf06cf74f", kill_on_drop: false }`
[INFO] [stdout] a81bf299e1f7308fb700f737bf3234db3b31f4ffaef1c3f5782d9ddcf06cf74f
