[INFO] cloning repository https://github.com/k-onrad/iodine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-onrad/iodine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-onrad%2Fiodine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-onrad%2Fiodine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e0fb2b8527f178cbfbc589807cca4b55f7bf774
[INFO] checking k-onrad/iodine against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-onrad%2Fiodine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k-onrad/iodine on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k-onrad/iodine
[INFO] finished tweaking git repo https://github.com/k-onrad/iodine
[INFO] tweaked toml for git repo https://github.com/k-onrad/iodine written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/k-onrad/iodine 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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 766192382e3b6c88b731fe7f6faa8961fbfcdb14551bb6b4d3e4b27a6f6a4132
[INFO] running `Command { std: "docker" "start" "-a" "766192382e3b6c88b731fe7f6faa8961fbfcdb14551bb6b4d3e4b27a6f6a4132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "766192382e3b6c88b731fe7f6faa8961fbfcdb14551bb6b4d3e4b27a6f6a4132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766192382e3b6c88b731fe7f6faa8961fbfcdb14551bb6b4d3e4b27a6f6a4132", kill_on_drop: false }`
[INFO] [stdout] 766192382e3b6c88b731fe7f6faa8961fbfcdb14551bb6b4d3e4b27a6f6a4132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8a0460afcb7c2cac813bacbc342b98001ac4fa5ae55c6c8652c382f9fb5460
[INFO] running `Command { std: "docker" "start" "-a" "fd8a0460afcb7c2cac813bacbc342b98001ac4fa5ae55c6c8652c382f9fb5460", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking lightscript v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token_kind`
[INFO] [stdout]    --> lib/parser/parser.rs:148:23
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn consume(&self, token_kind: TokenKind, expect_msg: &str) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_kind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expect_msg`
[INFO] [stdout]    --> lib/parser/parser.rs:148:46
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn consume(&self, token_kind: TokenKind, expect_msg: &str) {
[INFO] [stdout]     |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expect_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Unary`, `Binary`, `Grouping`, and `Literal` are never constructed
[INFO] [stdout]   --> lib/parser/expression.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum Expression {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 6  |     Unary {
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Binary {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Grouping {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Literal {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_unary`, `new_binary`, `new_grouping`, and `new_literal` are never used
[INFO] [stdout]   --> lib/parser/expression.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Expression {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn new_unary(op: Token, right: Box<Expression>) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn new_binary(left: Box<Expression>, op: Token, right: Box<Expression>) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn new_grouping(expr: Box<Expression>) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new_literal(lit: Token) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> lib/parser/parser.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> lib/parser/parser.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 10  |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14  |     fn expression(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18  |     fn equality_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32  |     fn match_token_kinds(&mut self, token_kinds: Vec<TokenKind>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43  |     fn check(&self, token_kind: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51  |     fn peek(&self) -> &Token {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     fn advance(&mut self) -> &Token {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     fn at_eof(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66  |     fn previous(&self) -> &Token {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     fn comparison_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     fn term_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn factor_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn unary_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn primary(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn consume(&self, token_kind: TokenKind, expect_msg: &str) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_kind`
[INFO] [stdout]    --> lib/parser/parser.rs:148:23
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn consume(&self, token_kind: TokenKind, expect_msg: &str) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_kind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expect_msg`
[INFO] [stdout]    --> lib/parser/parser.rs:148:46
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn consume(&self, token_kind: TokenKind, expect_msg: &str) {
[INFO] [stdout]     |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expect_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Binary` and `Grouping` are never constructed
[INFO] [stdout]   --> lib/parser/expression.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum Expression {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Binary {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     Grouping {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_unary`, `new_binary`, `new_grouping`, and `new_literal` are never used
[INFO] [stdout]   --> lib/parser/expression.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Expression {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 37 |     pub fn new_unary(op: Token, right: Box<Expression>) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn new_binary(left: Box<Expression>, op: Token, right: Box<Expression>) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn new_grouping(expr: Box<Expression>) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new_literal(lit: Token) -> Expression {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]  --> lib/parser/parser.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> lib/parser/parser.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 10  |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14  |     fn expression(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18  |     fn equality_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32  |     fn match_token_kinds(&mut self, token_kinds: Vec<TokenKind>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43  |     fn check(&self, token_kind: TokenKind) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51  |     fn peek(&self) -> &Token {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     fn advance(&mut self) -> &Token {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62  |     fn at_eof(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66  |     fn previous(&self) -> &Token {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70  |     fn comparison_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     fn term_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn factor_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn unary_or_higher(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn primary(&mut self) -> Box<Expression> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn consume(&self, token_kind: TokenKind, expect_msg: &str) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "fd8a0460afcb7c2cac813bacbc342b98001ac4fa5ae55c6c8652c382f9fb5460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8a0460afcb7c2cac813bacbc342b98001ac4fa5ae55c6c8652c382f9fb5460", kill_on_drop: false }`
[INFO] [stdout] fd8a0460afcb7c2cac813bacbc342b98001ac4fa5ae55c6c8652c382f9fb5460
