[INFO] cloning repository https://github.com/limoiie/magic-file
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/limoiie/magic-file" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimoiie%2Fmagic-file", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimoiie%2Fmagic-file'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a7adda374590fd61889e78d7905f146d2d9af57
[INFO] checking limoiie/magic-file against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimoiie%2Fmagic-file" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/limoiie/magic-file on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/limoiie/magic-file
[INFO] finished tweaking git repo https://github.com/limoiie/magic-file
[INFO] tweaked toml for git repo https://github.com/limoiie/magic-file written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/limoiie/magic-file already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e58147af3ea7dc3f431f66d78fe10abc0f125878a44264312cb8c58fcb1610
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c0e58147af3ea7dc3f431f66d78fe10abc0f125878a44264312cb8c58fcb1610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e58147af3ea7dc3f431f66d78fe10abc0f125878a44264312cb8c58fcb1610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e58147af3ea7dc3f431f66d78fe10abc0f125878a44264312cb8c58fcb1610", kill_on_drop: false }`
[INFO] [stdout] c0e58147af3ea7dc3f431f66d78fe10abc0f125878a44264312cb8c58fcb1610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191e7f13af6ce2e5bd7afdfc80dd65e7c21e6423bb49131452653e5e42a4ed66
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "191e7f13af6ce2e5bd7afdfc80dd65e7c21e6423bb49131452653e5e42a4ed66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking file-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `magic_file`
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn load_one_magic(magic_file: &Path) {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_magic_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic_file`
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn load_one_magic(magic_file: &Path) {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_magic_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ensure_goodchars`
[INFO] [stdout]  --> src/str_utils.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) fn ensure_goodchars(s: &str, goodchars: &str) -> Option<String> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/magic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_pstring`
[INFO] [stdout]   --> src/magic.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub(crate) fn is_pstring(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_string`
[INFO] [stdout]    --> src/magic.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub(crate) fn is_string(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `RelnVal`
[INFO] [stdout]    --> src/magic.rs:277:6
[INFO] [stdout]     |
[INFO] [stdout] 277 | enum RelnVal {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CondType`
[INFO] [stdout]    --> src/magic.rs:282:6
[INFO] [stdout]     |
[INFO] [stdout] 282 | enum CondType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_cmd_line`
[INFO] [stdout]   --> src/magic_param.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn from_cmd_line(line: &str) -> MagicParam {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/parse_magic_line.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Str { flags: StrModifier, range: u64 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line_regex`
[INFO] [stdout]   --> src/parse_magic_line.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn line_regex() -> Regex {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_entry_line`
[INFO] [stdout]   --> src/parse_magic_line.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub(crate) fn is_entry_line(line: &str) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_entry_line`
[INFO] [stdout]   --> src/parse_magic_line.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(crate) fn parse_entry_line(&mut self, s: &str) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_cont_part`
[INFO] [stdout]   --> src/parse_magic_line.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn parse_cont_part(&mut self, s: Option<Match>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_ofst_part`
[INFO] [stdout]   --> src/parse_magic_line.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn parse_ofst_part(&mut self, s: Option<Match>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_type_part`
[INFO] [stdout]   --> src/parse_magic_line.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn parse_type_part(&mut self, s: Option<Match>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_mask_part`
[INFO] [stdout]   --> src/parse_magic_line.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn parse_mask_part(&mut self, s: Option<Match>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_str_modifier`
[INFO] [stdout]    --> src/parse_magic_line.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn parse_str_modifier(&self, _op: &str, modifier: &str) -> Mask {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_chars_modifier`
[INFO] [stdout]    --> src/parse_magic_line.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn parse_chars_modifier(&self, modifier: &str) -> StrModifier {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_num_modifier`
[INFO] [stdout]    --> src/parse_magic_line.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn parse_num_modifier(&self, op: &str, modifier: &str) -> Mask {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_reln_part`
[INFO] [stdout]    --> src/parse_magic_line.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn parse_reln_part(&mut self, s: Option<Match>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_desc_part`
[INFO] [stdout]    --> src/parse_magic_line.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn parse_desc_part(&mut self, s: Option<Match>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_code_part`
[INFO] [stdout]    --> src/parse_magic_line.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn parse_code_part(&mut self, s: Option<Match>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Types`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Types(AuxTypes),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Strength`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Strength(AuxFactor),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_aux_line`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub(crate) fn parse_aux_line(s: &str) -> AuxInfo {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line_mime`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn parse_line_mime(s: &str) -> AuxInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line_ext`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn parse_line_ext(s: &str) -> AuxInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line_apple`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn parse_line_apple(s: &str) -> AuxInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line_strength`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn parse_line_strength(s: &str) -> AuxInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parse_magic_entry.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn parse() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]   --> src/parse_magic_entry.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MagicFile`
[INFO] [stdout]   --> src/parse_magic_entry.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct MagicFile {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parse_magic_entry.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn parse(magic_file: &Path) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_one_magic`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn load_one_magic(magic_file: &Path) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/magic.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `RelnVal`
[INFO] [stdout]    --> src/magic.rs:277:6
[INFO] [stdout]     |
[INFO] [stdout] 277 | enum RelnVal {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CondType`
[INFO] [stdout]    --> src/magic.rs:282:6
[INFO] [stdout]     |
[INFO] [stdout] 282 | enum CondType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_aux_line`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub(crate) fn parse_aux_line(s: &str) -> AuxInfo {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line_mime`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn parse_line_mime(s: &str) -> AuxInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_line_apple`
[INFO] [stdout]   --> src/parse_magic_aux_line.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn parse_line_apple(s: &str) -> AuxInfo {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parse_magic_entry.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn parse() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]   --> src/parse_magic_entry.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MagicFile`
[INFO] [stdout]   --> src/parse_magic_entry.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct MagicFile {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parse_magic_entry.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn parse(magic_file: &Path) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_one_magic`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn load_one_magic(magic_file: &Path) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.70s
[INFO] running `Command { std: "docker" "inspect" "191e7f13af6ce2e5bd7afdfc80dd65e7c21e6423bb49131452653e5e42a4ed66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191e7f13af6ce2e5bd7afdfc80dd65e7c21e6423bb49131452653e5e42a4ed66", kill_on_drop: false }`
[INFO] [stdout] 191e7f13af6ce2e5bd7afdfc80dd65e7c21e6423bb49131452653e5e42a4ed66