[INFO] cloning repository https://github.com/hexeaktivitat/ferry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hexeaktivitat/ferry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexeaktivitat%2Fferry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexeaktivitat%2Fferry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d1333b27fd259ad2d7d66acb6cf372e87a547b6
[INFO] checking hexeaktivitat/ferry against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexeaktivitat%2Fferry" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/hexeaktivitat/ferry
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/hexeaktivitat/ferry
[INFO] tweaked toml for git repo https://github.com/hexeaktivitat/ferry written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hexeaktivitat/ferry on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hexeaktivitat/ferry 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v4.2.0
[INFO] [stderr]   Downloaded miette-derive v7.5.0
[INFO] [stderr]   Downloaded miette v7.5.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab4629c0c355ea98917107fd89ec97a78f24c407911ca92bdcdabf20bdbf517
[INFO] running `Command { std: "docker" "start" "-a" "fab4629c0c355ea98917107fd89ec97a78f24c407911ca92bdcdabf20bdbf517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab4629c0c355ea98917107fd89ec97a78f24c407911ca92bdcdabf20bdbf517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab4629c0c355ea98917107fd89ec97a78f24c407911ca92bdcdabf20bdbf517", kill_on_drop: false }`
[INFO] [stdout] fab4629c0c355ea98917107fd89ec97a78f24c407911ca92bdcdabf20bdbf517
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 003c513fb09055e95ae7c5f55285f57c3fe06db31d00e078a7692df00a52462d
[INFO] running `Command { std: "docker" "start" "-a" "003c513fb09055e95ae7c5f55285f57c3fe06db31d00e078a7692df00a52462d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking supports-hyperlinks v3.1.0
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling miette-derive v7.5.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking miette v7.5.0
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]     Checking ferry v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `span` is never read
[INFO] [stdout]   --> src/interpreter/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         span: SourceSpan,
[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/interpreter/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         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/interpreter/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         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 `help` is never read
[INFO] [stdout]   --> src/interpreter/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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 `bad_char` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         bad_char: 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 `unexpected_character` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unexpected_character: 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 `start_quote` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         start_quote: 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 `current_pos` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         current_pos: 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 `bad_num` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         bad_num: 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 `float_num` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         float_num: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         advice: 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/parser/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         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/parser/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         msg: 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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         msg: 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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         msg: 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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         msg: 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 `source_code` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub source_code: 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 `related` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub related: Vec<FerryLexError>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub source_code: 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 `related` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub related: Vec<FerryParseError>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub source_code: 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 `related` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub related: Vec<FerryTypeError>,
[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/typecheck/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         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 `rhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         rhs_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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         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 `lhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         lhs_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 `rhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         rhs_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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         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 `lhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         lhs_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 `rhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         rhs_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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         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 `typedef` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         typedef: 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 `valuetype` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         valuetype: 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 `ident_span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ident_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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         advice: 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/interpreter/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         span: SourceSpan,
[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/interpreter/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         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/interpreter/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         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 `help` is never read
[INFO] [stdout]   --> src/interpreter/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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 `bad_char` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         bad_char: 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 `unexpected_character` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unexpected_character: 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 `start_quote` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         start_quote: 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 `current_pos` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         current_pos: 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 `bad_num` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         bad_num: 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 `float_num` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         float_num: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/lexer/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         advice: 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/parser/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         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 `span` is never read
[INFO] [stdout]   --> src/parser/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         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/parser/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         msg: 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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         msg: 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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         msg: 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 `msg` is never read
[INFO] [stdout]   --> src/parser/mod.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         msg: 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 `source_code` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub source_code: 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 `related` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub related: Vec<FerryLexError>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub source_code: 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 `related` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub related: Vec<FerryParseError>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source_code` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub source_code: 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 `related` is never read
[INFO] [stdout]   --> src/printerr/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub related: Vec<FerryTypeError>,
[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/typecheck/mod.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         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 `rhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         rhs_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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         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 `lhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         lhs_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 `rhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         rhs_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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         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 `lhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         lhs_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 `rhs_span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         rhs_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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         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 `span` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         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 `typedef` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         typedef: 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 `valuetype` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         valuetype: 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 `ident_span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         ident_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 `span` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         advice: 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 `advice` is never read
[INFO] [stdout]   --> src/typecheck/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         advice: 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 `advice` is never read
[INFO] [stdout]    --> src/typecheck/mod.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         advice: 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 29.09s
[INFO] running `Command { std: "docker" "inspect" "003c513fb09055e95ae7c5f55285f57c3fe06db31d00e078a7692df00a52462d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003c513fb09055e95ae7c5f55285f57c3fe06db31d00e078a7692df00a52462d", kill_on_drop: false }`
[INFO] [stdout] 003c513fb09055e95ae7c5f55285f57c3fe06db31d00e078a7692df00a52462d
