[INFO] fetching crate maghemite 0.1.0...
[INFO] testing maghemite-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate maghemite 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate maghemite 0.1.0
[INFO] finished tweaking crates.io crate maghemite 0.1.0
[INFO] tweaked toml for crates.io crate maghemite 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maghemite 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10099dc9c569ab6c0ee61dd215badfd6e06dfb54c66fdb5a2180c6b34e6b14f
[INFO] running `Command { std: "docker" "start" "-a" "e10099dc9c569ab6c0ee61dd215badfd6e06dfb54c66fdb5a2180c6b34e6b14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10099dc9c569ab6c0ee61dd215badfd6e06dfb54c66fdb5a2180c6b34e6b14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10099dc9c569ab6c0ee61dd215badfd6e06dfb54c66fdb5a2180c6b34e6b14f", kill_on_drop: false }`
[INFO] [stdout] e10099dc9c569ab6c0ee61dd215badfd6e06dfb54c66fdb5a2180c6b34e6b14f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec44101347af747021448902afe83b8ef03eb05aa5a9658a3d0cf22a56b32fd1
[INFO] running `Command { std: "docker" "start" "-a" "ec44101347af747021448902afe83b8ef03eb05aa5a9658a3d0cf22a56b32fd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota v0.2.3
[INFO] [stderr]    Compiling maghemite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/parser/parser.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/parser/parser.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parser/parser.rs:42:64
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `position` are never read
[INFO] [stdout]  --> src/parser/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     input: Vec<Token>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     position: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `precedence`, `prefix_parselet`, and `infix_parselet` are never read
[INFO] [stdout]   --> src/parser/parser.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ParseRule {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     precedence: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     prefix_parselet: Option<PrefixFn<'static>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     infix_parselet: Option<InfixFn<'static>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_rule` is never used
[INFO] [stdout]   --> src/parser/parser.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 24 |     fn parse_rule(&self) -> ParseRule {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dot_infix` is never used
[INFO] [stdout]   --> src/parser/parser.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ec44101347af747021448902afe83b8ef03eb05aa5a9658a3d0cf22a56b32fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec44101347af747021448902afe83b8ef03eb05aa5a9658a3d0cf22a56b32fd1", kill_on_drop: false }`
[INFO] [stdout] ec44101347af747021448902afe83b8ef03eb05aa5a9658a3d0cf22a56b32fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7acb08adb0f32032d9819005ddeeff9247e14acc0252eeaa93d8439f209a7c6
[INFO] running `Command { std: "docker" "start" "-a" "f7acb08adb0f32032d9819005ddeeff9247e14acc0252eeaa93d8439f209a7c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/parser/parser.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/parser/parser.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parser/parser.rs:42:64
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `position` are never read
[INFO] [stdout]  --> src/parser/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     input: Vec<Token>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     position: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `precedence`, `prefix_parselet`, and `infix_parselet` are never read
[INFO] [stdout]   --> src/parser/parser.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ParseRule {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     precedence: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     prefix_parselet: Option<PrefixFn<'static>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     infix_parselet: Option<InfixFn<'static>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_rule` is never used
[INFO] [stdout]   --> src/parser/parser.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 24 |     fn parse_rule(&self) -> ParseRule {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dot_infix` is never used
[INFO] [stdout]   --> src/parser/parser.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling maghemite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/parser/parser.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/parser/parser.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parser/parser.rs:42:64
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `position` are never read
[INFO] [stdout]  --> src/parser/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     input: Vec<Token>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     position: usize,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `precedence`, `prefix_parselet`, and `infix_parselet` are never read
[INFO] [stdout]   --> src/parser/parser.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ParseRule {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     precedence: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     prefix_parselet: Option<PrefixFn<'static>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     infix_parselet: Option<InfixFn<'static>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_rule` is never used
[INFO] [stdout]   --> src/parser/parser.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 24 |     fn parse_rule(&self) -> ParseRule {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dot_infix` is never used
[INFO] [stdout]   --> src/parser/parser.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.87s
[INFO] running `Command { std: "docker" "inspect" "f7acb08adb0f32032d9819005ddeeff9247e14acc0252eeaa93d8439f209a7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7acb08adb0f32032d9819005ddeeff9247e14acc0252eeaa93d8439f209a7c6", kill_on_drop: false }`
[INFO] [stdout] f7acb08adb0f32032d9819005ddeeff9247e14acc0252eeaa93d8439f209a7c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cafcde09a25732f93379bda306d4549c94431b0bb2129975420ffcb1bfc760c
[INFO] running `Command { std: "docker" "start" "-a" "5cafcde09a25732f93379bda306d4549c94431b0bb2129975420ffcb1bfc760c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/parser/parser.rs:42:24
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]   --> src/parser/parser.rs:42:44
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/parser/parser.rs:42:64
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stderr]    |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `input` and `position` are never read
[INFO] [stderr]  --> src/parser/parser.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Parser {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] 5 |     input: Vec<Token>,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 6 |     position: usize,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `precedence`, `prefix_parselet`, and `infix_parselet` are never read
[INFO] [stderr]   --> src/parser/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct ParseRule {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 13 |     precedence: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 14 |     prefix_parselet: Option<PrefixFn<'static>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 15 |     infix_parselet: Option<InfixFn<'static>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `parse_rule` is never used
[INFO] [stderr]   --> src/parser/parser.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Token {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 24 |     fn parse_rule(&self) -> ParseRule {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_dot_infix` is never used
[INFO] [stderr]   --> src/parser/parser.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn parse_dot_infix<'a>(parser: &'a Parser, left: Box<ASTNode>, token: Token) -> Box<ASTNode> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `maghemite` (lib) generated 7 warnings
[INFO] [stderr] warning: `maghemite` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maghemite-3adcac852b061270)
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::lexer::tests::test_lexer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maghemite
[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" "5cafcde09a25732f93379bda306d4549c94431b0bb2129975420ffcb1bfc760c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cafcde09a25732f93379bda306d4549c94431b0bb2129975420ffcb1bfc760c", kill_on_drop: false }`
[INFO] [stdout] 5cafcde09a25732f93379bda306d4549c94431b0bb2129975420ffcb1bfc760c