[INFO] cloning repository https://github.com/ras-drive/r-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ras-drive/r-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras-drive%2Fr-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras-drive%2Fr-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 379ecfd4afc0aa6ca3aaa43105f6703f0ec7a5a9
[INFO] checking ras-drive/r-utils against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras-drive%2Fr-utils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ras-drive/r-utils
[INFO] finished tweaking git repo https://github.com/ras-drive/r-utils
[INFO] tweaked toml for git repo https://github.com/ras-drive/r-utils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ras-drive/r-utils on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ras-drive/r-utils 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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
[ERROR] error running command: no output for 300 seconds
[INFO] checking ras-drive/r-utils against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras-drive%2Fr-utils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ras-drive/r-utils
[INFO] finished tweaking git repo https://github.com/ras-drive/r-utils
[INFO] tweaked toml for git repo https://github.com/ras-drive/r-utils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ras-drive/r-utils on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ras-drive/r-utils 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ras-drive/r-utils against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras-drive%2Fr-utils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ras-drive/r-utils
[INFO] finished tweaking git repo https://github.com/ras-drive/r-utils
[INFO] tweaked toml for git repo https://github.com/ras-drive/r-utils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ras-drive/r-utils on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ras-drive/r-utils 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ras-drive/r-utils against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras-drive%2Fr-utils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ras-drive/r-utils
[INFO] finished tweaking git repo https://github.com/ras-drive/r-utils
[INFO] tweaked toml for git repo https://github.com/ras-drive/r-utils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ras-drive/r-utils on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ras-drive/r-utils 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded io-lifetimes v0.7.3
[INFO] [stderr]   Downloaded subst v0.1.2
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded promptly v0.3.1
[INFO] [stderr]   Downloaded platform-info v0.2.0
[INFO] [stderr]   Downloaded rustix v0.35.9
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded anyhow v1.0.62
[INFO] [stderr]   Downloaded fd-lock v3.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b0d71a8a21a5d1228696066e47bde1527faade03c576464472dc3ca6acd3191
[INFO] running `Command { std: "docker" "start" "-a" "8b0d71a8a21a5d1228696066e47bde1527faade03c576464472dc3ca6acd3191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0d71a8a21a5d1228696066e47bde1527faade03c576464472dc3ca6acd3191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0d71a8a21a5d1228696066e47bde1527faade03c576464472dc3ca6acd3191", kill_on_drop: false }`
[INFO] [stdout] 8b0d71a8a21a5d1228696066e47bde1527faade03c576464472dc3ca6acd3191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 299b712395eb54dcdc25ac011e9f297532bf72ec9922944064f7fb5741b39fa5
[INFO] running `Command { std: "docker" "start" "-a" "299b712395eb54dcdc25ac011e9f297532bf72ec9922944064f7fb5741b39fa5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling io-lifetimes v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling rustix v0.35.9
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking subst v0.1.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking platform-info v0.2.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fd-lock v3.0.6
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking shell v0.1.0 (/opt/rustwide/workdir/src/shell)
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/shell/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod lib;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/shell/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod lib;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking promptly v0.3.1
[INFO] [stderr]     Checking sleep v0.1.0 (/opt/rustwide/workdir/src/sleep)
[INFO] [stderr]     Checking md5sum v0.1.0 (/opt/rustwide/workdir/src/md5sum)
[INFO] [stderr]     Checking arch v0.1.0 (/opt/rustwide/workdir/src/arch)
[INFO] [stderr]     Checking mkdir v0.1.0 (/opt/rustwide/workdir/src/mkdir)
[INFO] [stderr]     Checking wc v0.1.0 (/opt/rustwide/workdir/src/wc)
[INFO] [stderr]     Checking rm v0.1.0 (/opt/rustwide/workdir/src/rm)
[INFO] [stderr]     Checking whoami v0.1.0 (/opt/rustwide/workdir/src/whoami)
[INFO] [stderr]     Checking yes v0.1.0 (/opt/rustwide/workdir/src/yes)
[INFO] [stderr]     Checking touch v0.1.0 (/opt/rustwide/workdir/src/touch)
[INFO] [stderr]     Checking ls v0.1.0 (/opt/rustwide/workdir/src/ls)
[INFO] [stderr]     Checking uname v0.1.0 (/opt/rustwide/workdir/src/uname)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/ls/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/wc/src/lib.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |           filename = matches
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 69 | |             .value_of("filename")
[INFO] [stdout] 70 | |             .expect("error while reading provided file name")
[INFO] [stdout] 71 | |             .parse()
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/ls/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/touch/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/ls/src/lib/arg_parser.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |               dir_name = matches
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 25 | |                 .value_of("dir_name")
[INFO] [stdout] 26 | |                 .expect("error while reading provided directory name")
[INFO] [stdout] 27 | |                 .parse()
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ls` (bin "ls") due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: fields `modify` and `access` are never read
[INFO] [stdout]  --> src/touch/src/lib/arg_parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Args<'a> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     pub modify: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 9 |     pub access: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/ls/src/lib/arg_parser.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |               dir_name = matches
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 25 | |                 .value_of("dir_name")
[INFO] [stdout] 26 | |                 .expect("error while reading provided directory name")
[INFO] [stdout] 27 | |                 .parse()
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ls` (bin "ls" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "299b712395eb54dcdc25ac011e9f297532bf72ec9922944064f7fb5741b39fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299b712395eb54dcdc25ac011e9f297532bf72ec9922944064f7fb5741b39fa5", kill_on_drop: false }`
[INFO] [stdout] 299b712395eb54dcdc25ac011e9f297532bf72ec9922944064f7fb5741b39fa5
