[INFO] cloning repository https://github.com/Hexagon-Spliter/FileSpliter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hexagon-Spliter/FileSpliter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHexagon-Spliter%2FFileSpliter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHexagon-Spliter%2FFileSpliter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b99960226e6bcdf8661c846f22ffbbaf349c2688
[INFO] checking Hexagon-Spliter/FileSpliter 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%2FHexagon-Spliter%2FFileSpliter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hexagon-Spliter/FileSpliter
[INFO] finished tweaking git repo https://github.com/Hexagon-Spliter/FileSpliter
[INFO] tweaked toml for git repo https://github.com/Hexagon-Spliter/FileSpliter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hexagon-Spliter/FileSpliter 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/Hexagon-Spliter/FileSpliter 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6082c5a8e1e9f11926caa93dc025b989da4d4626d26f3c86f77743b37de84a38
[INFO] running `Command { std: "docker" "start" "-a" "6082c5a8e1e9f11926caa93dc025b989da4d4626d26f3c86f77743b37de84a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6082c5a8e1e9f11926caa93dc025b989da4d4626d26f3c86f77743b37de84a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6082c5a8e1e9f11926caa93dc025b989da4d4626d26f3c86f77743b37de84a38", kill_on_drop: false }`
[INFO] [stdout] 6082c5a8e1e9f11926caa93dc025b989da4d4626d26f3c86f77743b37de84a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f8fc3e64d7b7b369a28f9099edd2b3c31d39cbff4dc444444d50b41de4a12e11
[INFO] running `Command { std: "docker" "start" "-a" "f8fc3e64d7b7b369a28f9099edd2b3c31d39cbff4dc444444d50b41de4a12e11", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking newline-converter v0.2.2
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking inquire v0.6.2
[INFO] [stderr]     Checking FileSpliter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[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: `std::fs`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[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 variable: `a`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let a = term.read_char();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |                         let mut f = File::open(file_text);
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:82:57
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let mut file = File::create(hash2 + ".sp");
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:53
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   let mut file = File::create(format!("{0}.json", extension.file_stem().unwrap().to_str().unwrap()));
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |                         let mut f = File::open(file_text);
[INFO] [stdout]     |                             ----^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   Ok(mut FileStruct) => {
[INFO] [stdout]     |                          ----^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:152:65
[INFO] [stdout]     |
[INFO] [stdout] 152 | ...                   let mut f = File::open(hash + ".sp");
[INFO] [stdout]     |                           ----^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:165:61
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   let mut f = File::create(filename);
[INFO] [stdout]     |                           ----^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `readed`
[INFO] [stdout]    --> src/main.rs:157:73
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   let readed = file.read_to_end(&mut buffer);
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_readed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:87:61
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   file.write_all(data);
[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] 87 |                                                             let _ = file.write_all(data);
[INFO] [stdout]    |                                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:99:61
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   format: format.parse().unwrap(),
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 | ...                   file.write_all(json.unwrap().as_bytes());
[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] 107 |                                                         let _ = file.write_all(json.unwrap().as_bytes());
[INFO] [stdout]     |                                                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FileStruct` should have a snake case name
[INFO] [stdout]    --> src/main.rs:140:60
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   Ok(mut FileStruct) => {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: convert the identifier to snake case: `file_struct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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/main.rs:143:72
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   filename = extension.file_stem().unwrap().to_str().unwrap().parse().unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:168:65
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   file.write_all(buffers.as_slice());
[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] 168 |                                                                 let _ = file.write_all(buffers.as_slice());
[INFO] [stdout]     |                                                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let a = term.read_char();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |                         let mut f = File::open(file_text);
[INFO] [stdout]    |                             ----^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:82:57
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let mut file = File::create(hash2 + ".sp");
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:53
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   let mut file = File::create(format!("{0}.json", extension.file_stem().unwrap().to_str().unwrap()));
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:126:29
[INFO] [stdout]     |
[INFO] [stdout] 126 |                         let mut f = File::open(file_text);
[INFO] [stdout]     |                             ----^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   Ok(mut FileStruct) => {
[INFO] [stdout]     |                          ----^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:152:65
[INFO] [stdout]     |
[INFO] [stdout] 152 | ...                   let mut f = File::open(hash + ".sp");
[INFO] [stdout]     |                           ----^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:165:61
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   let mut f = File::create(filename);
[INFO] [stdout]     |                           ----^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `readed`
[INFO] [stdout]    --> src/main.rs:157:73
[INFO] [stdout]     |
[INFO] [stdout] 157 | ...                   let readed = file.read_to_end(&mut buffer);
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_readed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `FileSpliter` (bin "FileSpliter" test) due to 2 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:87:61
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...                   file.write_all(data);
[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] 87 |                                                             let _ = file.write_all(data);
[INFO] [stdout]    |                                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:99:61
[INFO] [stdout]    |
[INFO] [stdout] 99 | ...                   format: format.parse().unwrap(),
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:57
[INFO] [stdout]     |
[INFO] [stdout] 107 | ...                   file.write_all(json.unwrap().as_bytes());
[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] 107 |                                                         let _ = file.write_all(json.unwrap().as_bytes());
[INFO] [stdout]     |                                                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FileStruct` should have a snake case name
[INFO] [stdout]    --> src/main.rs:140:60
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   Ok(mut FileStruct) => {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: convert the identifier to snake case: `file_struct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) 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/main.rs:143:72
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   filename = extension.file_stem().unwrap().to_str().unwrap().parse().unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:168:65
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   file.write_all(buffers.as_slice());
[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] 168 |                                                                 let _ = file.write_all(buffers.as_slice());
[INFO] [stdout]     |                                                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `FileSpliter` (bin "FileSpliter") due to 2 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f8fc3e64d7b7b369a28f9099edd2b3c31d39cbff4dc444444d50b41de4a12e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fc3e64d7b7b369a28f9099edd2b3c31d39cbff4dc444444d50b41de4a12e11", kill_on_drop: false }`
[INFO] [stdout] f8fc3e64d7b7b369a28f9099edd2b3c31d39cbff4dc444444d50b41de4a12e11
