[INFO] cloning repository https://github.com/nate601/Rs-Book-Downloader-Cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nate601/Rs-Book-Downloader-Cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate601%2FRs-Book-Downloader-Cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate601%2FRs-Book-Downloader-Cli'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/nate601/Rs-Book-Downloader-Cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nate601/Rs-Book-Downloader-Cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate601%2FRs-Book-Downloader-Cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate601%2FRs-Book-Downloader-Cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eb5740db2aca9dffd3f9c3d9aa29925e894f118
[INFO] building nate601/Rs-Book-Downloader-Cli against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnate601%2FRs-Book-Downloader-Cli" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nate601/Rs-Book-Downloader-Cli on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nate601/Rs-Book-Downloader-Cli
[INFO] finished tweaking git repo https://github.com/nate601/Rs-Book-Downloader-Cli
[INFO] tweaked toml for git repo https://github.com/nate601/Rs-Book-Downloader-Cli written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nate601/Rs-Book-Downloader-Cli 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ee119d1d8c51c2d8345b93dc7f4e1e89691859ff77725ea0e12fa172675856
[INFO] running `Command { std: "docker" "start" "-a" "f7ee119d1d8c51c2d8345b93dc7f4e1e89691859ff77725ea0e12fa172675856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ee119d1d8c51c2d8345b93dc7f4e1e89691859ff77725ea0e12fa172675856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ee119d1d8c51c2d8345b93dc7f4e1e89691859ff77725ea0e12fa172675856", kill_on_drop: false }`
[INFO] [stdout] f7ee119d1d8c51c2d8345b93dc7f4e1e89691859ff77725ea0e12fa172675856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5d9ff55cc350a3fa4267b3fae42e93f3767a1662f62a217030fb338c762dca
[INFO] running `Command { std: "docker" "start" "-a" "7a5d9ff55cc350a3fa4267b3fae42e93f3767a1662f62a217030fb338c762dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-book-downloader-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::DerefMut`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::DerefMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/irc_connection.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     net::TcpStream, collections::HashMap,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/irc_message.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 |                         if (k.starts_with('+') || k.starts_with('!'))
[INFO] [stdout]     |                            ^                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -                         if (k.starts_with('+') || k.starts_with('!'))
[INFO] [stdout] 107 +                         if k.starts_with('+') || k.starts_with('!')
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RPL_NAME_REPLY` should have an upper camel case name
[INFO] [stdout]    --> src/irc_message.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     RPL_NAME_REPLY
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RplNameReply`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/pkzip.rs:913:20
[INFO] [stdout]     |
[INFO] [stdout] 913 |                 if (length_base.is_none())
[INFO] [stdout]     |                    ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 913 -                 if (length_base.is_none())
[INFO] [stdout] 913 +                 if length_base.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/pkzip.rs:918:20
[INFO] [stdout]     |
[INFO] [stdout] 918 |                 if (length_number_of_extra_bits.is_none())
[INFO] [stdout]     |                    ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 918 -                 if (length_number_of_extra_bits.is_none())
[INFO] [stdout] 918 +                 if length_number_of_extra_bits.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/pkzip.rs:938:20
[INFO] [stdout]     |
[INFO] [stdout] 938 |                 if (distance_base.is_none())
[INFO] [stdout]     |                    ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 938 -                 if (distance_base.is_none())
[INFO] [stdout] 938 +                 if distance_base.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/pkzip.rs:943:20
[INFO] [stdout]     |
[INFO] [stdout] 943 |                 if (distance_number_of_extra_bits.is_none())
[INFO] [stdout]     |                    ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 943 -                 if (distance_number_of_extra_bits.is_none())
[INFO] [stdout] 943 +                 if distance_number_of_extra_bits.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_fixed_huffman_trees`
[INFO] [stdout]   --> src/pkzip_test.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::pkzip::{get_fixed_huffman_trees, BitArray, ByteStream, HuffmanTree};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | mod pkzip_test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |         if (pack_opt.is_none())
[INFO] [stdout]     |            ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 -         if (pack_opt.is_none())
[INFO] [stdout] 144 +         if pack_opt.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:196:20
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 if (*x == ':')
[INFO] [stdout]     |                    ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 196 -                 if (*x == ':')
[INFO] [stdout] 196 +                 if *x == ':'
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     if (was_last_character_info_marker)
[INFO] [stdout]     |                        ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 198 -                     if (was_last_character_info_marker)
[INFO] [stdout] 198 +                     if was_last_character_info_marker
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_type`
[INFO] [stdout]    --> src/irc_message.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             query_type,
[INFO] [stdout]     |             ^^^^^^^^^^ help: try ignoring the field: `query_type: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argument`
[INFO] [stdout]    --> src/irc_message.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             argument,
[INFO] [stdout]     |             ^^^^^^^^ help: try ignoring the field: `argument: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pkzip.rs:516:13
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let mut bits = self.read_bits(number_of_bits)?;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:534:13
[INFO] [stdout]     |
[INFO] [stdout] 534 |         for i in 0..number_of_bits
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pkzip.rs:633:21
[INFO] [stdout]     |
[INFO] [stdout] 633 |                 let mut byte_stream = ByteStream::new(compressed_byte_arrays);
[INFO] [stdout]     |                     ----^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:691:9
[INFO] [stdout]     |
[INFO] [stdout] 691 |     for i in 0..hclen
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:730:17
[INFO] [stdout]     |
[INFO] [stdout] 730 |             for i in 0..number_of_times_to_repeat
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:740:17
[INFO] [stdout]     |
[INFO] [stdout] 740 |             for i in 0..number_of_times_to_repeat
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:751:17
[INFO] [stdout]     |
[INFO] [stdout] 751 |             for i in 0..number_of_times_to_repeat
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:780:17
[INFO] [stdout]     |
[INFO] [stdout] 780 |             for i in 0..number_of_times_to_repeat
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:790:17
[INFO] [stdout]     |
[INFO] [stdout] 790 |             for i in 0..number_of_times_to_repeat
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:801:17
[INFO] [stdout]     |
[INFO] [stdout] 801 |             for i in 0..number_of_times_to_repeat
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_val`
[INFO] [stdout]    --> src/pkzip.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |     let ret_val: Vec<u8> = Vec::new();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ret_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/pkzip.rs:857:9
[INFO] [stdout]     |
[INFO] [stdout] 857 |     let text = String::from_utf8(ret_cursor.get_ref().to_vec());
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `debug_iterations` is assigned to, but never used
[INFO] [stdout]    --> src/pkzip.rs:870:13
[INFO] [stdout]     |
[INFO] [stdout] 870 |     let mut debug_iterations = 0u16;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_debug_iterations` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `match_iterations` is assigned to, but never used
[INFO] [stdout]    --> src/pkzip.rs:871:13
[INFO] [stdout]     |
[INFO] [stdout] 871 |     let mut match_iterations = 0u16;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_match_iterations` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pkzip.rs:970:21
[INFO] [stdout]     |
[INFO] [stdout] 970 |                 for i in 00u16..length
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/pkzip.rs:1157:17
[INFO] [stdout]      |
[INFO] [stdout] 1157 |             let s = BitArray::new_from_word(*next_address.get(bit_length).unwrap()).get_string();
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/pkzip_test.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let k = vec![
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pack`
[INFO] [stdout]    --> src/main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let pack = loop
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut users: HashMap<String, Vec<String>> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Disconnected`, `WaitingForResults`, and `WaitingForBook` are never constructed
[INFO] [stdout]   --> src/irc_connection.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum ConnectionStatus
[INFO] [stdout]    |          ---------------- variants in this enum
[INFO] [stdout] 7  | {
[INFO] [stdout] 8  |     Disconnected,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 9  |     Connected,
[INFO] [stdout] 10 |     WaitingForResults,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     WaitingForBook,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_command` is never used
[INFO] [stdout]   --> src/irc_connection.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl IrcConnection
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn send_command(&mut self, command: &str) -> Result<usize, &'static str>
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `end_of_central_directory_record` is never read
[INFO] [stdout]   --> src/pkzip.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PkZip
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub end_of_central_directory_record: EndOfCentralDirectoryRecord,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PkZip` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_name`, `compressed_size`, and `crc_32` are never read
[INFO] [stdout]    --> src/pkzip.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub struct PkZipFile
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 300 | {
[INFO] [stdout] 301 |     pub file_name: String,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 302 |     pub compressed_size: u32,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     pub crc_32: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PkZipFile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get_bits`, `is_bit_set`, and `get_cursor` are never used
[INFO] [stdout]    --> src/pkzip.rs:418:12
[INFO] [stdout]     |
[INFO] [stdout] 315 | impl BitArray
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 418 |     pub fn get_bits(source: Vec<u8>) -> Vec<bool>
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 431 |     pub fn is_bit_set(source: u8, n: u8) -> bool
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 440 |     pub fn get_cursor(o: Vec<bool>) -> Cursor<Vec<u8>>
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> src/pkzip.rs:495:5
[INFO] [stdout]     |
[INFO] [stdout] 493 | pub struct ByteStream
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 494 | {
[INFO] [stdout] 495 |     data: Vec<BitArray>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ByteStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_at_end` is never used
[INFO] [stdout]    --> src/pkzip.rs:559:12
[INFO] [stdout]     |
[INFO] [stdout] 499 | impl ByteStream
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 559 |     pub fn is_at_end(&self) -> bool
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_value` is never used
[INFO] [stdout]     --> src/pkzip.rs:1110:12
[INFO] [stdout]      |
[INFO] [stdout] 1073 | impl HuffmanTree
[INFO] [stdout]      | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1110 |     pub fn get_value(self, address: u16, address_len: u8) -> Option<u16>
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]     --> src/pkzip.rs:1261:9
[INFO] [stdout]      |
[INFO] [stdout] 1259 | pub struct LocalFileHeader
[INFO] [stdout]      |            --------------- fields in this struct
[INFO] [stdout] 1260 | {
[INFO] [stdout] 1261 |     pub start_position: u64,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^
[INFO] [stdout] 1262 |     pub version_needed_to_extract: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1263 |     pub general_purpose_bit_flag: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1264 |     pub compression_method: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1265 |     pub last_mod_file_time: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1266 |     pub last_mod_file_date: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1267 |     pub crc_32: [u8; 4],
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1268 |     pub compressed_size: [u8; 4],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 1269 |     pub uncompressed_size: [u8; 4],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1270 |     pub file_name_length: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 1271 |     pub extra_field_length: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1272 |     //Variable size
[INFO] [stdout] 1273 |     pub file_name: Vec<u8>,
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 1274 |     pub extra_field: Vec<u8>,
[INFO] [stdout]      |         ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `LocalFileHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]     --> src/pkzip.rs:1280:9
[INFO] [stdout]      |
[INFO] [stdout] 1278 | pub struct CentralDirectoryHeader
[INFO] [stdout]      |            ---------------------- fields in this struct
[INFO] [stdout] 1279 | {
[INFO] [stdout] 1280 |     pub start_position: u64,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^
[INFO] [stdout] 1281 |     pub version_maker: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 1282 |     pub version_needed_to_extract: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1283 |     pub general_purpose_bit_flag: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1284 |     pub compression_method: [u8; 2],
[INFO] [stdout] 1285 |     pub last_mod_file_time: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1286 |     pub last_mod_file_date: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1290 |     pub file_name_length: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 1291 |     pub extra_field_length: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1292 |     pub file_comment_length: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1293 |     pub disk_number_start: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1294 |     pub internal_file_attributes: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1295 |     pub external_file_attributes: [u8; 4],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1299 |     pub extra_field: Vec<u8>,
[INFO] [stdout]      |         ^^^^^^^^^^^
[INFO] [stdout] 1300 |     pub file_comment: Vec<u8>,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 1301 |     pub end_position: u64,
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `CentralDirectoryHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]     --> src/pkzip.rs:1306:9
[INFO] [stdout]      |
[INFO] [stdout] 1304 | pub struct EndOfCentralDirectoryRecord
[INFO] [stdout]      |            --------------------------- fields in this struct
[INFO] [stdout] 1305 | {
[INFO] [stdout] 1306 |     pub number_of_this_disk: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1307 |     pub number_of_disk_with_start_of_central_directory: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1308 |     pub total_number_of_entries_in_central_directory_on_current_disk: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1309 |     pub total_number_of_entries_in_central_directory: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1310 |     pub size_of_central_directory: [u8; 4],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1311 |     pub offset_of_start_of_central_directory_with_respect_to_starting_disk_number: [u8; 4],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1312 |     pub zip_file_comment_length: [u8; 2],
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1313 |     // Variable size
[INFO] [stdout] 1314 |     pub zip_file_comment: Vec<u8>,
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `EndOfCentralDirectoryRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `huffman_tree_bit_decode_test` is never used
[INFO] [stdout]   --> src/pkzip_test.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn huffman_tree_bit_decode_test()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `retVal` should have a snake case name
[INFO] [stdout]    --> src/pkzip.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let mut retVal = String::new();
[INFO] [stdout]     |                 ^^^^^^ help: convert the identifier to snake case: `ret_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `rs-book-downloader-cli` (bin "rs-book-downloader-cli"); 46 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/11663cd3bfefef7d34e8f0892c250bf698049392/bin/rustc --crate-name rs_book_downloader_cli --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=db06fea66dc69fe9 -C extra-filename=-98253ede44039fff --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid -Dtail-expr-drop-order` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "7a5d9ff55cc350a3fa4267b3fae42e93f3767a1662f62a217030fb338c762dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5d9ff55cc350a3fa4267b3fae42e93f3767a1662f62a217030fb338c762dca", kill_on_drop: false }`
[INFO] [stdout] 7a5d9ff55cc350a3fa4267b3fae42e93f3767a1662f62a217030fb338c762dca