[INFO] cloning repository https://github.com/cordx56/cxsh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cordx56/cxsh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordx56%2Fcxsh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordx56%2Fcxsh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 415d2a898b52cb46b25d470e6e6a2d16d00c0266
[INFO] checking cordx56/cxsh against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordx56%2Fcxsh" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cordx56/cxsh
[INFO] finished tweaking git repo https://github.com/cordx56/cxsh
[INFO] tweaked toml for git repo https://github.com/cordx56/cxsh written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cordx56/cxsh on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cordx56/cxsh 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded memoffset v0.6.4
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded minimal-lexical v0.1.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded nom v7.0.0
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c
[INFO] running `Command { std: "docker" "start" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking cxsh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `is_not`, `line_ending`, `number::complete::double`, `space0`, and `space1`
[INFO] [stdout]  --> src/parser.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                                          ^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]   |                                 ^^^^^^^^^^^                        ^^^^^^  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     number::complete::double,
[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: `command_all_consuming`
[INFO] [stdout]  --> src/execute.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::parser::{command_all_consuming, Command};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/termio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/termio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `is_not`, `line_ending`, `number::complete::double`, `space0`, and `space1`
[INFO] [stdout]  --> src/parser.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                                          ^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]   |                                 ^^^^^^^^^^^                        ^^^^^^  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     number::complete::double,
[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: `command_all_consuming`
[INFO] [stdout]  --> src/execute.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::parser::{command_all_consuming, Command};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/termio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/termio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/parser.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::u16;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/parser.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::u16;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commands`
[INFO] [stdout]   --> src/execute.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Command::Redirect(commands, redirect_command) => Err("Not implemented".to_owned()),
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commands`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redirect_command`
[INFO] [stdout]   --> src/execute.rs:51:41
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Command::Redirect(commands, redirect_command) => Err("Not implemented".to_owned()),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_redirect_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commands`
[INFO] [stdout]   --> src/execute.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Command::Redirect(commands, redirect_command) => Err("Not implemented".to_owned()),
[INFO] [stdout]    |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commands`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redirect_command`
[INFO] [stdout]   --> src/execute.rs:51:41
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Command::Redirect(commands, redirect_command) => Err("Not implemented".to_owned()),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_redirect_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `command_all_consuming` is never used
[INFO] [stdout]   --> src/parser.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn command_all_consuming(s: &str) -> IResult<&str, Command, VerboseError<&str>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/execute.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Normal(Option<i32>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     Normal(Option<i32>),
[INFO] [stdout] 11 +     Normal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `command_all_consuming` is never used
[INFO] [stdout]   --> src/parser.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn command_all_consuming(s: &str) -> IResult<&str, Command, VerboseError<&str>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/execute.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Normal(Option<i32>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     Normal(Option<i32>),
[INFO] [stdout] 11 +     Normal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execute.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     self.execute_command(commands, false);
[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] 44 |                     let _ = self.execute_command(commands, false);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     write!(stdout, "\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     let _ = write!(stdout, "\r\n");
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     write!(stdout, "{}", buffer);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     let _ = write!(stdout, "{}", buffer);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         write!(stdout, "\r\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         let _ = write!(stdout, "\r\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         let _ = write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         let _ = write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         write!(stdout, "{}", cursor::Left(move_left as u16));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let _ = write!(stdout, "{}", cursor::Left(move_left as u16));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         write!(stdout, "{}", cursor::Right(move_right as u16));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let _ = write!(stdout, "{}", cursor::Right(move_right as u16));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 write!(stderr, "stdin read error\r\n");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let _ = write!(stderr, "stdin read error\r\n");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(&cursor_left as &str) as u16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let _ = write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(&cursor_left as &str) as u16));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         write!(stdout, " ");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = write!(stdout, " ");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(buffer) as u16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let _ = write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(buffer) as u16));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         write!(stdout, "{}", cursor::Left(n as u16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = write!(stdout, "{}", cursor::Left(n as u16));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/execute.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     self.execute_command(commands, false);
[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] 44 |                     let _ = self.execute_command(commands, false);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     write!(stdout, "\r\n");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     let _ = write!(stdout, "\r\n");
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     write!(stdout, "{}", buffer);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     let _ = write!(stdout, "{}", buffer);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         write!(stdout, "\r\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         let _ = write!(stdout, "\r\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         let _ = write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         let _ = write!(stdout, "{}", buffer);
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/termio.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         write!(stdout, "{}", cursor::Left(move_left as u16));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let _ = write!(stdout, "{}", cursor::Left(move_left as u16));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:101:25
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         write!(stdout, "{}", cursor::Right(move_right as u16));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 101 |                         let _ = write!(stdout, "{}", cursor::Right(move_right as u16));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 write!(stderr, "stdin read error\r\n");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 let _ = write!(stderr, "stdin read error\r\n");
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(&cursor_left as &str) as u16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let _ = write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(&cursor_left as &str) as u16));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         write!(stdout, " ");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = write!(stdout, " ");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(buffer) as u16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let _ = write!(stdout, "{}", cursor::Left(UnicodeWidthStr::width(buffer) as u16));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/termio.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         write!(stdout, "{}", cursor::Left(n as u16));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = write!(stdout, "{}", cursor::Left(n as u16));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c", kill_on_drop: false }`
[INFO] [stdout] 215e2cc3d0c7077299aeaf2876b42bfe15ea7c8a6ee7bdd16828dabfc7fe2e1c
