[INFO] cloning repository https://github.com/flowsn4ke/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flowsn4ke/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowsn4ke%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowsn4ke%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 812bc197f7325feda10762316f4a6488804989e0
[INFO] testing flowsn4ke/rlox against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflowsn4ke%2Frlox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flowsn4ke/rlox on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flowsn4ke/rlox
[INFO] finished tweaking git repo https://github.com/flowsn4ke/rlox
[INFO] tweaked toml for git repo https://github.com/flowsn4ke/rlox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/flowsn4ke/rlox 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64cf0579212bfa96cae82c8fc36193079050abc4371a87a8a8ae9c6c836296bd
[INFO] running `Command { std: "docker" "start" "-a" "64cf0579212bfa96cae82c8fc36193079050abc4371a87a8a8ae9c6c836296bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64cf0579212bfa96cae82c8fc36193079050abc4371a87a8a8ae9c6c836296bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cf0579212bfa96cae82c8fc36193079050abc4371a87a8a8ae9c6c836296bd", kill_on_drop: false }`
[INFO] [stdout] 64cf0579212bfa96cae82c8fc36193079050abc4371a87a8a8ae9c6c836296bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe2bb1fb91b5de37f9dbda3bb8054c86633905a9826ddc525ee86adad5995058
[INFO] running `Command { std: "docker" "start" "-a" "fe2bb1fb91b5de37f9dbda3bb8054c86633905a9826ddc525ee86adad5995058", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:82:37
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:82:41
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:93:33
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:93:37
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:127:38
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:172:33
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:192:29
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:192:33
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:204:26
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:204:34
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:226:26
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:226:30
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:226:34
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:228:28
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stdout]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |             Token::Number(lx, lt, ln) => Expr::Literal(Literal::Number(lt)),
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:229:35
[INFO] [stdout]     |
[INFO] [stdout] 229 |             Token::Number(lx, lt, ln) => Expr::Literal(Literal::Number(lt)),
[INFO] [stdout]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |             Token::String(lx, lt, ln) => Expr::Literal(Literal::String(lt)),
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:230:35
[INFO] [stdout]     |
[INFO] [stdout] 230 |             Token::String(lx, lt, ln) => Expr::Literal(Literal::String(lt)),
[INFO] [stdout]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:231:30
[INFO] [stdout]     |
[INFO] [stdout] 231 |             Token::LeftParen(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:231:34
[INFO] [stdout]     |
[INFO] [stdout] 231 |             Token::LeftParen(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:235:43
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:235:47
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stdout]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let (lx, lt, ln) = token.get_info();
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_test_ast_to_str` is never used
[INFO] [stdout]   --> src/ast.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Ast {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn new_test_ast_to_str(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `line` are never read
[INFO] [stdout]  --> src/parser.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ParseError {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 4 |     pub message: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 5 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `errors` are never read
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     tokens: Vec<Token>,
[INFO] [stdout] 10 |     source: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     current: usize,
[INFO] [stdout] 12 |     errors: Vec<ParseError>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_at_end` is never used
[INFO] [stdout]    --> src/parser.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `line` are never read
[INFO] [stdout]  --> src/scanner.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ScanError {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 4 |     pub message: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 5 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/scanner.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Scanner {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     errors: Vec<ScanError>, // TODO: actually collect errors
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "fe2bb1fb91b5de37f9dbda3bb8054c86633905a9826ddc525ee86adad5995058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2bb1fb91b5de37f9dbda3bb8054c86633905a9826ddc525ee86adad5995058", kill_on_drop: false }`
[INFO] [stdout] fe2bb1fb91b5de37f9dbda3bb8054c86633905a9826ddc525ee86adad5995058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44d1969947030d4f9e2ec700851a7c9ba865d47fdccf4dc104f4f84bb74de87
[INFO] running `Command { std: "docker" "start" "-a" "a44d1969947030d4f9e2ec700851a7c9ba865d47fdccf4dc104f4f84bb74de87", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:82:37
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:82:41
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:82:45
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]   --> src/parser.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]   --> src/parser.rs:93:33
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/parser.rs:93:37
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:104:34
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:104:42
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:127:38
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:138:29
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stdout]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:172:33
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:192:25
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:192:29
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:192:33
[INFO] [stdout]     |
[INFO] [stdout] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:204:26
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:204:34
[INFO] [stdout]     |
[INFO] [stdout] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:226:26
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:226:30
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:226:34
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:227:25
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:227:33
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stdout]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:228:24
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:228:28
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stdout]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:228:32
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stdout]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |             Token::Number(lx, lt, ln) => Expr::Literal(Literal::Number(lt)),
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:229:35
[INFO] [stdout]     |
[INFO] [stdout] 229 |             Token::Number(lx, lt, ln) => Expr::Literal(Literal::Number(lt)),
[INFO] [stdout]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:230:27
[INFO] [stdout]     |
[INFO] [stdout] 230 |             Token::String(lx, lt, ln) => Expr::Literal(Literal::String(lt)),
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:230:35
[INFO] [stdout]     |
[INFO] [stdout] 230 |             Token::String(lx, lt, ln) => Expr::Literal(Literal::String(lt)),
[INFO] [stdout]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:231:30
[INFO] [stdout]     |
[INFO] [stdout] 231 |             Token::LeftParen(lx, lt, ln) => {
[INFO] [stdout]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:231:34
[INFO] [stdout]     |
[INFO] [stdout] 231 |             Token::LeftParen(lx, lt, ln) => {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lx`
[INFO] [stdout]    --> src/parser.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:235:43
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stdout]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]    --> src/parser.rs:235:47
[INFO] [stdout]     |
[INFO] [stdout] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stdout]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lt`
[INFO] [stdout]    --> src/parser.rs:242:26
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 let (lx, lt, ln) = token.get_info();
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_test_ast_to_str` is never used
[INFO] [stdout]   --> src/ast.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Ast {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn new_test_ast_to_str(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `line` are never read
[INFO] [stdout]  --> src/parser.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ParseError {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 4 |     pub message: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 5 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `errors` are never read
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     tokens: Vec<Token>,
[INFO] [stdout] 10 |     source: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     current: usize,
[INFO] [stdout] 12 |     errors: Vec<ParseError>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_at_end` is never used
[INFO] [stdout]    --> src/parser.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn is_at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `line` are never read
[INFO] [stdout]  --> src/scanner.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ScanError {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 4 |     pub message: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 5 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> src/scanner.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Scanner {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     errors: Vec<ScanError>, // TODO: actually collect errors
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a44d1969947030d4f9e2ec700851a7c9ba865d47fdccf4dc104f4f84bb74de87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44d1969947030d4f9e2ec700851a7c9ba865d47fdccf4dc104f4f84bb74de87", kill_on_drop: false }`
[INFO] [stdout] a44d1969947030d4f9e2ec700851a7c9ba865d47fdccf4dc104f4f84bb74de87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cd5bcef73477fbcd9671dc03dbc080b5f06f92197b833b49cb8d74d76d170d1
[INFO] running `Command { std: "docker" "start" "-a" "0cd5bcef73477fbcd9671dc03dbc080b5f06f92197b833b49cb8d74d76d170d1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]   --> src/parser.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]   --> src/parser.rs:38:38
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/parser.rs:38:42
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 Token::BangEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]   --> src/parser.rs:49:35
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]   --> src/parser.rs:49:39
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/parser.rs:49:43
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 Token::EqualEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                           ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]   --> src/parser.rs:71:32
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stderr]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]   --> src/parser.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stderr]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/parser.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Token::Greater(lx, lt, ln) => {
[INFO] [stderr]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]   --> src/parser.rs:82:37
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]   --> src/parser.rs:82:41
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/parser.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 Token::GreaterEqual(lx, lt, ln) => {
[INFO] [stderr]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]   --> src/parser.rs:93:29
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stderr]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]   --> src/parser.rs:93:33
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stderr]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/parser.rs:93:37
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Token::Less(lx, lt, ln) => {
[INFO] [stderr]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:104:34
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stderr]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:104:42
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 Token::LessEqual(lx, lt, ln) => {
[INFO] [stderr]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:127:30
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:127:34
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:127:38
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 Token::Minus(lx, lt, ln) => {
[INFO] [stderr]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:138:29
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:138:33
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 Token::Plus(lx, lt, ln) => {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:161:34
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:161:38
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Token::Slash(lx, lt, ln) => {
[INFO] [stderr]     |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:172:29
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:172:33
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:172:37
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 Token::Star(lx, lt, ln) => {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:192:25
[INFO] [stderr]     |
[INFO] [stderr] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:192:29
[INFO] [stderr]     |
[INFO] [stderr] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:192:33
[INFO] [stderr]     |
[INFO] [stderr] 192 |             Token::Bang(lx, lt, ln) => {
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:204:26
[INFO] [stderr]     |
[INFO] [stderr] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:204:30
[INFO] [stderr]     |
[INFO] [stderr] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:204:34
[INFO] [stderr]     |
[INFO] [stderr] 204 |             Token::Minus(lx, lt, ln) => {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:226:26
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:226:30
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:226:34
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Token::False(lx, lt, ln) => Expr::Literal(Literal::Boolean(false)),
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:227:25
[INFO] [stderr]     |
[INFO] [stderr] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stderr]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:227:29
[INFO] [stderr]     |
[INFO] [stderr] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stderr]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:227:33
[INFO] [stderr]     |
[INFO] [stderr] 227 |             Token::True(lx, lt, ln) => Expr::Literal(Literal::Boolean(true)),
[INFO] [stderr]     |                                 ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:228:24
[INFO] [stderr]     |
[INFO] [stderr] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stderr]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:228:28
[INFO] [stderr]     |
[INFO] [stderr] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stderr]     |                            ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:228:32
[INFO] [stderr]     |
[INFO] [stderr] 228 |             Token::Nil(lx, lt, ln) => Expr::Literal(Literal::Nil),
[INFO] [stderr]     |                                ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:229:27
[INFO] [stderr]     |
[INFO] [stderr] 229 |             Token::Number(lx, lt, ln) => Expr::Literal(Literal::Number(lt)),
[INFO] [stderr]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |             Token::Number(lx, lt, ln) => Expr::Literal(Literal::Number(lt)),
[INFO] [stderr]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:230:27
[INFO] [stderr]     |
[INFO] [stderr] 230 |             Token::String(lx, lt, ln) => Expr::Literal(Literal::String(lt)),
[INFO] [stderr]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:230:35
[INFO] [stderr]     |
[INFO] [stderr] 230 |             Token::String(lx, lt, ln) => Expr::Literal(Literal::String(lt)),
[INFO] [stderr]     |                                   ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:231:30
[INFO] [stderr]     |
[INFO] [stderr] 231 |             Token::LeftParen(lx, lt, ln) => {
[INFO] [stderr]     |                              ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:231:34
[INFO] [stderr]     |
[INFO] [stderr] 231 |             Token::LeftParen(lx, lt, ln) => {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lx`
[INFO] [stderr]    --> src/parser.rs:235:39
[INFO] [stderr]     |
[INFO] [stderr] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stderr]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_lx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:235:43
[INFO] [stderr]     |
[INFO] [stderr] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stderr]     |                                           ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]    --> src/parser.rs:235:47
[INFO] [stderr]     |
[INFO] [stderr] 235 |                     Token::RightParen(lx, lt, ln) => self.advance(),
[INFO] [stderr]     |                                               ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lt`
[INFO] [stderr]    --> src/parser.rs:242:26
[INFO] [stderr]     |
[INFO] [stderr] 242 |                 let (lx, lt, ln) = token.get_info();
[INFO] [stderr]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_lt`
[INFO] [stderr] 
[INFO] [stderr] warning: method `new_test_ast_to_str` is never used
[INFO] [stderr]   --> src/ast.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | impl Ast {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn new_test_ast_to_str(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `message` and `line` are never read
[INFO] [stderr]  --> src/parser.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct ParseError {
[INFO] [stderr]   |            ---------- fields in this struct
[INFO] [stderr] 4 |     pub message: String,
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr] 5 |     pub line: usize,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `source` and `errors` are never read
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Parser {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 9  |     tokens: Vec<Token>,
[INFO] [stderr] 10 |     source: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 11 |     current: usize,
[INFO] [stderr] 12 |     errors: Vec<ParseError>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_at_end` is never used
[INFO] [stderr]    --> src/parser.rs:254:8
[INFO] [stderr]     |
[INFO] [stderr] 15  | impl Parser {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 254 |     fn is_at_end(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `message` and `line` are never read
[INFO] [stderr]  --> src/scanner.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct ScanError {
[INFO] [stderr]   |            --------- fields in this struct
[INFO] [stderr] 4 |     pub message: String,
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr] 5 |     pub line: usize,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `errors` is never read
[INFO] [stderr]   --> src/scanner.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Scanner {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 12 |     errors: Vec<ScanError>, // TODO: actually collect errors
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox` (bin "rlox" test) generated 61 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlox-ed6f146c131d04e5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cd5bcef73477fbcd9671dc03dbc080b5f06f92197b833b49cb8d74d76d170d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd5bcef73477fbcd9671dc03dbc080b5f06f92197b833b49cb8d74d76d170d1", kill_on_drop: false }`
[INFO] [stdout] 0cd5bcef73477fbcd9671dc03dbc080b5f06f92197b833b49cb8d74d76d170d1