[INFO] cloning repository https://github.com/erg-lang/web-ide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erg-lang/web-ide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferg-lang%2Fweb-ide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferg-lang%2Fweb-ide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2896dfbcfbadb8c2ba7be0a55dbf2408cebc90d2
[INFO] checking erg-lang/web-ide against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferg-lang%2Fweb-ide" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erg-lang/web-ide on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erg-lang/web-ide
[INFO] finished tweaking git repo https://github.com/erg-lang/web-ide
[INFO] tweaked toml for git repo https://github.com/erg-lang/web-ide written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/erg-lang/web-ide 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/erg-lang/erg`
[INFO] [stderr]     Updating git repository `https://github.com/rustpython/rustpython`
[INFO] [stderr]     Updating git repository `https://github.com/RustPython/Parser.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/RustPython/__doc__`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded malachite v0.4.4
[INFO] [stderr]   Downloaded fd-lock v4.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.37
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]   Downloaded dns-lookup v2.0.4
[INFO] [stderr]   Downloaded unicode_names2_generator v1.2.1
[INFO] [stderr]   Downloaded rustyline v13.0.0
[INFO] [stderr]   Downloaded unicode_names2 v1.2.1
[INFO] [stderr]   Downloaded malachite-q v0.4.4
[INFO] [stderr]   Downloaded malachite-nz v0.4.4
[INFO] [stderr]   Downloaded puruspe v0.2.0
[INFO] [stderr]   Downloaded malachite-bigint v0.2.0
[INFO] [stderr]   Downloaded malachite-base v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be2193294e69e1a003a6b299bffccdd84d72192e690b45adb7556c824051fa89
[INFO] running `Command { std: "docker" "start" "-a" "be2193294e69e1a003a6b299bffccdd84d72192e690b45adb7556c824051fa89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2193294e69e1a003a6b299bffccdd84d72192e690b45adb7556c824051fa89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2193294e69e1a003a6b299bffccdd84d72192e690b45adb7556c824051fa89", kill_on_drop: false }`
[INFO] [stdout] be2193294e69e1a003a6b299bffccdd84d72192e690b45adb7556c824051fa89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a16c268431337cf7e8785684ac2c93346fc516a5987b56b6fce58b6a1e38f34
[INFO] running `Command { std: "docker" "start" "-a" "1a16c268431337cf7e8785684ac2c93346fc516a5987b56b6fce58b6a1e38f34", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling time v0.3.20
[INFO] [stderr]    Compiling malachite-base v0.4.4
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling unicode_names2_generator v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling unicode_names2 v1.2.1
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling rustpython-parser-vendored v0.3.1 (https://github.com/RustPython/Parser.git?rev=29c4728dbedc7e69cc2560b9b34058bbba9b1303#29c4728d)
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustpython-parser v0.3.1 (https://github.com/RustPython/Parser.git?rev=29c4728dbedc7e69cc2560b9b34058bbba9b1303#29c4728d)
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling unic-ucd-category v0.9.0
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling lz4_flex v0.11.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling erg_common v0.6.30 (https://github.com/erg-lang/erg#757f387d)
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]    Compiling indexmap v2.2.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling syn-ext v0.4.0
[INFO] [stderr]    Compiling rustpython-parser-core v0.3.1 (https://github.com/RustPython/Parser.git?rev=29c4728dbedc7e69cc2560b9b34058bbba9b1303#29c4728d)
[INFO] [stderr]    Compiling rustpython-literal v0.3.1 (https://github.com/RustPython/Parser.git?rev=29c4728dbedc7e69cc2560b9b34058bbba9b1303#29c4728d)
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling malachite-nz v0.4.4
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling winnow v0.5.37
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling lalrpop-util v0.20.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rustpython-doc v0.3.0 (https://github.com/RustPython/__doc__?tag=0.3.0#8b62ce5d)
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling textwrap v0.15.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking malachite-q v0.4.4
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling libsqlite3-sys v0.25.2
[INFO] [stderr]     Checking malachite v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking malachite-bigint v0.2.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling result-like-derive v0.4.6
[INFO] [stderr]     Checking rustpython-ast v0.3.1 (https://github.com/RustPython/Parser.git?rev=29c4728dbedc7e69cc2560b9b34058bbba9b1303#29c4728d)
[INFO] [stderr]     Checking rustpython-compiler-core v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking rustpython-format v0.3.1 (https://github.com/RustPython/Parser.git?rev=29c4728dbedc7e69cc2560b9b34058bbba9b1303#29c4728d)
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling rustpython-vm v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rustpython-derive-impl v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking rustpython-codegen v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking unic-ucd-hangul v0.9.0
[INFO] [stderr]     Checking optional v0.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking rustpython-common v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking rustpython-compiler v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking sre-engine v0.4.3
[INFO] [stderr]     Checking unic-ucd-normal v0.9.0
[INFO] [stderr]     Checking result-like v0.4.6
[INFO] [stderr]     Checking which v4.4.2
[INFO] [stderr]    Compiling rustpython-pylib v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]    Compiling uuid-macro-internal v1.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unicode-casing v0.1.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking timsort v0.1.3
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]    Compiling rustpython-stdlib v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking dns-lookup v2.0.4
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking unic-normal v0.9.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]    Compiling erg_compiler v0.6.30 (https://github.com/erg-lang/erg#757f387d)
[INFO] [stderr]    Compiling erg_proc_macros v0.6.30 (https://github.com/erg-lang/erg#757f387d)
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking mt19937 v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking unic-ucd-age v0.9.0
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking puruspe v0.2.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking ucd v0.1.1
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking serde-wasm-bindgen v0.3.1
[INFO] [stderr]     Checking erg_parser v0.6.30 (https://github.com/erg-lang/erg#757f387d)
[INFO] [stderr]     Checking web-sys v0.3.64
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking mac_address v1.1.5
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.37
[INFO] [stderr]    Compiling rustpython-derive v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking rustpython_wasm v0.3.0 (https://github.com/rustpython/rustpython#3eda1cf3)
[INFO] [stderr]     Checking erg-web-ide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct ErgType(Type);
[INFO] [stdout]    |            ------- ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErgType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct ErgType(());
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct ErgType(Type);
[INFO] [stdout]    |            ------- ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErgType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct ErgType(());
[INFO] [stdout]    |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "1a16c268431337cf7e8785684ac2c93346fc516a5987b56b6fce58b6a1e38f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a16c268431337cf7e8785684ac2c93346fc516a5987b56b6fce58b6a1e38f34", kill_on_drop: false }`
[INFO] [stdout] 1a16c268431337cf7e8785684ac2c93346fc516a5987b56b6fce58b6a1e38f34