[INFO] cloning repository https://github.com/Keshyu/space-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keshyu/space-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeshyu%2Fspace-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeshyu%2Fspace-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c472408a4e7a0db61bb6f333a05aea17df5a40be
[INFO] checking Keshyu/space-compiler against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeshyu%2Fspace-compiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Keshyu/space-compiler
[INFO] finished tweaking git repo https://github.com/Keshyu/space-compiler
[INFO] tweaked toml for git repo https://github.com/Keshyu/space-compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Keshyu/space-compiler on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Keshyu/space-compiler 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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599
[INFO] running `Command { std: "docker" "start" "6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking compiler_module v0.1.0 (https://github.com/Keshyu/compiler-module#e0b5d1ae)
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking phf_codegen v0.7.24
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking space-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lexer::Lexer`
[INFO] [stdout]  --> src/lexer/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use lexer::Lexer;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::Lexer`
[INFO] [stdout]  --> src/lexer/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use lexer::Lexer;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/lexer/lexer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `name`, `number`, `string`, and `character` are never used
[INFO] [stdout]    --> src/lexer/lexer.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  98 |     pub fn new(source_str: &'a str) -> Lexer<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn name(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn number(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn string(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn character(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]  --> src/lexer/context.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Context {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/token/token.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `type` is never used
[INFO] [stdout]   --> src/token/token.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 17 |     pub fn r#type(&self) -> TokenType {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alnum` is never used
[INFO] [stdout]  --> src/util/char.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_alnum(c: char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha` is never used
[INFO] [stdout]  --> src/util/char.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn is_alpha(c: char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]   --> src/util/char.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn is_digit(c: char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/lexer/lexer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `name`, `number`, `string`, and `character` are never used
[INFO] [stdout]    --> src/lexer/lexer.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  98 |     pub fn new(source_str: &'a str) -> Lexer<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     fn name(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn number(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     fn string(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     fn character(&mut self) -> Option<Token> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]  --> src/lexer/context.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Context {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KEYWORDS` is never used
[INFO] [stdout]  --> src/generated/keywords.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static KEYWORDS: phf::Map<&'static str, TokenType> =::phf::Map {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/token/token.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `type` is never used
[INFO] [stdout]   --> src/token/token.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 17 |     pub fn r#type(&self) -> TokenType {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alnum` is never used
[INFO] [stdout]  --> src/util/char.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_alnum(c: char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_alpha` is never used
[INFO] [stdout]  --> src/util/char.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn is_alpha(c: char) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_digit` is never used
[INFO] [stdout]   --> src/util/char.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn is_digit(c: char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `KEYWORDS` is never used
[INFO] [stdout]  --> src/generated/keywords.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static KEYWORDS: phf::Map<&'static str, TokenType> =::phf::Map {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ESCAPED_CHARS` is never used
[INFO] [stdout]  --> src/generated/escaped_chars.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static ESCAPED_CHARS: phf::Map<char, char> =::phf::Map {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ESCAPED_CHARS` is never used
[INFO] [stdout]  --> src/generated/escaped_chars.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub static ESCAPED_CHARS: phf::Map<char, char> =::phf::Map {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599", kill_on_drop: false }`
[INFO] [stdout] 6715c24ff82e5cb2021a891a9cf5ed2ba92c0cb304b5b31d37abd85329fed599
