[INFO] cloning repository https://github.com/ukaushik-98/city-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ukaushik-98/city-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukaushik-98%2Fcity-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukaushik-98%2Fcity-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d569aa66a22b97df3098e7c107f1533c2e16b58
[INFO] checking ukaushik-98/city-interpreter against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukaushik-98%2Fcity-interpreter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ukaushik-98/city-interpreter
[INFO] finished tweaking git repo https://github.com/ukaushik-98/city-interpreter
[INFO] tweaked toml for git repo https://github.com/ukaushik-98/city-interpreter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ukaushik-98/city-interpreter on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ukaushik-98/city-interpreter 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.8.3
[INFO] [stderr]   Downloaded tokio v1.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d718ba08d1c7e81d39f7ef14eb832a8ea5d1808201a1ccbc8d120e85c80698e
[INFO] running `Command { std: "docker" "start" "-a" "6d718ba08d1c7e81d39f7ef14eb832a8ea5d1808201a1ccbc8d120e85c80698e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d718ba08d1c7e81d39f7ef14eb832a8ea5d1808201a1ccbc8d120e85c80698e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d718ba08d1c7e81d39f7ef14eb832a8ea5d1808201a1ccbc8d120e85c80698e", kill_on_drop: false }`
[INFO] [stdout] 6d718ba08d1c7e81d39f7ef14eb832a8ea5d1808201a1ccbc8d120e85c80698e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0653fd2bd622890ef90bf02dd13c831c8a3e99c0b082f611b13bb3afdc74db40
[INFO] running `Command { std: "docker" "start" "-a" "0653fd2bd622890ef90bf02dd13c831c8a3e99c0b082f611b13bb3afdc74db40", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking city-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]  --> src/lexer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         l => l,
[INFO] [stdout]   |         - matches any value
[INFO] [stdout] 8 |         _ => unreachable!(),
[INFO] [stdout]   |         ^ no value can reach this
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]  --> src/lexer.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn match_known_val<T>(w: T, l: T) -> T {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_known_val` is never used
[INFO] [stdout]  --> src/lexer.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn match_known_val<T>(w: T, l: T) -> T {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_keywords` is never used
[INFO] [stdout]   --> src/lexer.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_keywords<'a>(kw: TokenKeywords<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_literals` is never used
[INFO] [stdout]   --> src/lexer.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn parse_literals<'a>(lt: TokenLiterals<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_operators` is never used
[INFO] [stdout]   --> src/lexer.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_operators<'a>(ops: TokenOperators<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_delim` is never used
[INFO] [stdout]   --> src/lexer.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_delim<'a>(dl: TokenDelimeters<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_extra` is never used
[INFO] [stdout]   --> src/lexer.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_extra<'a>(xt: TokenExtra<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/lexer.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse<'a>(token: Tokens<'a>) -> &'a str {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenType` is never constructed
[INFO] [stdout]  --> src/tokens.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct TokenType<'a> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenKeywords` is never used
[INFO] [stdout]  --> src/tokens.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum TokenKeywords<'a> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenLiterals` is never used
[INFO] [stdout]   --> src/tokens.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum TokenLiterals<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenOperators` is never used
[INFO] [stdout]   --> src/tokens.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TokenOperators<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenDelimeters` is never used
[INFO] [stdout]   --> src/tokens.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum TokenDelimeters<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenExtra` is never used
[INFO] [stdout]   --> src/tokens.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum TokenExtra<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tokens` is never used
[INFO] [stdout]   --> src/tokens.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub enum Tokens<'a> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]  --> src/lexer.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         l => l,
[INFO] [stdout]   |         - matches any value
[INFO] [stdout] 8 |         _ => unreachable!(),
[INFO] [stdout]   |         ^ no value can reach this
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]  --> src/lexer.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn match_known_val<T>(w: T, l: T) -> T {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_known_val` is never used
[INFO] [stdout]  --> src/lexer.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn match_known_val<T>(w: T, l: T) -> T {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_keywords` is never used
[INFO] [stdout]   --> src/lexer.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_keywords<'a>(kw: TokenKeywords<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_literals` is never used
[INFO] [stdout]   --> src/lexer.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn parse_literals<'a>(lt: TokenLiterals<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_operators` is never used
[INFO] [stdout]   --> src/lexer.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_operators<'a>(ops: TokenOperators<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_delim` is never used
[INFO] [stdout]   --> src/lexer.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_delim<'a>(dl: TokenDelimeters<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_extra` is never used
[INFO] [stdout]   --> src/lexer.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_extra<'a>(xt: TokenExtra<'a>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/lexer.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn parse<'a>(token: Tokens<'a>) -> &'a str {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenType` is never constructed
[INFO] [stdout]  --> src/tokens.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct TokenType<'a> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenKeywords` is never used
[INFO] [stdout]  --> src/tokens.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum TokenKeywords<'a> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenLiterals` is never used
[INFO] [stdout]   --> src/tokens.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum TokenLiterals<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenOperators` is never used
[INFO] [stdout]   --> src/tokens.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TokenOperators<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenDelimeters` is never used
[INFO] [stdout]   --> src/tokens.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum TokenDelimeters<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenExtra` is never used
[INFO] [stdout]   --> src/tokens.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum TokenExtra<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tokens` is never used
[INFO] [stdout]   --> src/tokens.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub enum Tokens<'a> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "0653fd2bd622890ef90bf02dd13c831c8a3e99c0b082f611b13bb3afdc74db40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0653fd2bd622890ef90bf02dd13c831c8a3e99c0b082f611b13bb3afdc74db40", kill_on_drop: false }`
[INFO] [stdout] 0653fd2bd622890ef90bf02dd13c831c8a3e99c0b082f611b13bb3afdc74db40