[INFO] cloning repository https://github.com/lukehsiao/openring-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukehsiao/openring-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukehsiao%2Fopenring-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukehsiao%2Fopenring-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abbeea8638eb7e86778708aa89e31c924cf9a59b
[INFO] checking lukehsiao/openring-rs against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukehsiao%2Fopenring-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukehsiao/openring-rs
[INFO] finished tweaking git repo https://github.com/lukehsiao/openring-rs
[INFO] tweaked toml for git repo https://github.com/lukehsiao/openring-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukehsiao/openring-rs on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukehsiao/openring-rs 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.17
[INFO] [stderr]   Downloaded utf8-width v0.1.7
[INFO] [stderr]   Downloaded slug v0.1.6
[INFO] [stderr]   Downloaded windows-registry v0.5.3
[INFO] [stderr]   Downloaded clap-verbosity-flag v3.0.4
[INFO] [stderr]   Downloaded html-escape v0.2.13
[INFO] [stderr]   Downloaded supports-color v3.0.2
[INFO] [stderr]   Downloaded globwalk v0.9.1
[INFO] [stderr]   Downloaded nu-ansi-term v0.50.3
[INFO] [stderr]   Downloaded humansize v2.1.3
[INFO] [stderr]   Downloaded miette-derive v7.6.0
[INFO] [stderr]   Downloaded pest_generator v2.8.3
[INFO] [stderr]   Downloaded jiff-tzdb-platform v0.1.3
[INFO] [stderr]   Downloaded match_token v0.35.0
[INFO] [stderr]   Downloaded chrono-tz-build v0.3.0
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded csv-core v0.1.13
[INFO] [stderr]   Downloaded tokio-macros v2.6.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded markup5ever v0.35.0
[INFO] [stderr]   Downloaded compression-codecs v0.4.31
[INFO] [stderr]   Downloaded terminal_size v0.4.3
[INFO] [stderr]   Downloaded globset v0.4.18
[INFO] [stderr]   Downloaded generic-array v0.14.9
[INFO] [stderr]   Downloaded html5ever v0.35.0
[INFO] [stderr]   Downloaded web_atoms v0.1.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.110
[INFO] [stderr]   Downloaded addr2line v0.25.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.7
[INFO] [stderr]   Downloaded owo-colors v4.2.3
[INFO] [stderr]   Downloaded backtrace v0.3.76
[INFO] [stderr]   Downloaded ammonia v4.1.2
[INFO] [stderr]   Downloaded ignore v0.4.25
[INFO] [stderr]   Downloaded mediatype v0.19.20
[INFO] [stderr]   Downloaded tera v1.20.1
[INFO] [stderr]   Downloaded cssparser v0.35.0
[INFO] [stderr]   Downloaded typenum v1.19.0
[INFO] [stderr]   Downloaded pest_meta v2.8.3
[INFO] [stderr]   Downloaded indicatif v0.18.2
[INFO] [stderr]   Downloaded miette v7.6.0
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.8.8
[INFO] [stderr]   Downloaded jiff-tzdb v0.1.4
[INFO] [stderr]   Downloaded async-compression v0.4.32
[INFO] [stderr]   Downloaded pest v2.8.3
[INFO] [stderr]   Downloaded feed-rs v2.3.1
[INFO] [stderr]   Downloaded deunicode v1.6.2
[INFO] [stderr]   Downloaded regex v1.12.2
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded pest_derive v2.8.3
[INFO] [stderr]   Downloaded syn v2.0.109
[INFO] [stderr]   Downloaded gimli v0.32.3
[INFO] [stderr]   Downloaded openssl v0.10.74
[INFO] [stderr]   Downloaded chrono-tz v0.9.0
[INFO] [stderr]   Downloaded object v0.37.3
[INFO] [stderr]   Downloaded bstr v1.12.1
[INFO] [stderr]   Downloaded regex-automata v0.4.13
[INFO] [stderr]   Downloaded csv v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41ec0c211ae79aaf9146aa72a05d06e2fe128c053c093612e13a8d2d1d4420e7
[INFO] running `Command { std: "docker" "start" "-a" "41ec0c211ae79aaf9146aa72a05d06e2fe128c053c093612e13a8d2d1d4420e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ec0c211ae79aaf9146aa72a05d06e2fe128c053c093612e13a8d2d1d4420e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ec0c211ae79aaf9146aa72a05d06e2fe128c053c093612e13a8d2d1d4420e7", kill_on_drop: false }`
[INFO] [stdout] 41ec0c211ae79aaf9146aa72a05d06e2fe128c053c093612e13a8d2d1d4420e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be103e1b886027ae266a3987bc6ade3bd0ae7d57da39abcfad3a9bc2c096692
[INFO] running `Command { std: "docker" "start" "-a" "2be103e1b886027ae266a3987bc6ade3bd0ae7d57da39abcfad3a9bc2c096692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling pest v2.8.3
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling chrono-tz-build v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking globset v0.4.18
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]    Compiling chrono-tz v0.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking compression-core v0.4.29
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking markup5ever v0.35.0
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking deunicode v1.6.2
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking iri-string v0.7.9
[INFO] [stderr]     Checking rustls-pki-types v1.13.0
[INFO] [stderr]     Checking compression-codecs v0.4.31
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking slug v0.1.6
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking async-compression v0.4.32
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking globwalk v0.9.1
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking cssparser v0.35.0
[INFO] [stderr]     Checking html5ever v0.35.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking mediatype v0.19.20
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking quick-xml v0.37.5
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking console v0.16.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking supports-hyperlinks v3.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking unit-prefix v0.5.1
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking indicatif v0.18.2
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking miette v7.6.0
[INFO] [stderr]     Checking ammonia v4.1.2
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking feed-rs v2.3.1
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking clap-verbosity-flag v3.0.4
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking tera v1.20.1
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.24
[INFO] [stderr]     Checking openring v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/error.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub src: NamedSource<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/error.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub span: SourceSpan,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub help: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/error.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub src: NamedSource<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/error.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub span: SourceSpan,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub help: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/error.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub src: NamedSource<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/error.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub span: SourceSpan,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub help: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `src` is never read
[INFO] [stdout]   --> src/error.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub src: NamedSource<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/error.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub span: SourceSpan,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `help` is never read
[INFO] [stdout]   --> src/error.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub help: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "2be103e1b886027ae266a3987bc6ade3bd0ae7d57da39abcfad3a9bc2c096692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be103e1b886027ae266a3987bc6ade3bd0ae7d57da39abcfad3a9bc2c096692", kill_on_drop: false }`
[INFO] [stdout] 2be103e1b886027ae266a3987bc6ade3bd0ae7d57da39abcfad3a9bc2c096692