[INFO] cloning repository https://github.com/MNTRA/compiler_project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MNTRA/compiler_project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMNTRA%2Fcompiler_project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMNTRA%2Fcompiler_project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bd7adf91e1532d3ebac49efef132b4d456cc757
[INFO] checking MNTRA/compiler_project against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMNTRA%2Fcompiler_project" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MNTRA/compiler_project on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MNTRA/compiler_project
[INFO] finished tweaking git repo https://github.com/MNTRA/compiler_project
[INFO] tweaked toml for git repo https://github.com/MNTRA/compiler_project written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MNTRA/compiler_project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6/source/lexer/Cargo.toml: unused manifest key: tests
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34410d82ab460cfa4d4cdc923c9cfaab2d5a1a53496cd2f080e13b9650ddebe6
[INFO] running `Command { std: "docker" "start" "-a" "34410d82ab460cfa4d4cdc923c9cfaab2d5a1a53496cd2f080e13b9650ddebe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34410d82ab460cfa4d4cdc923c9cfaab2d5a1a53496cd2f080e13b9650ddebe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34410d82ab460cfa4d4cdc923c9cfaab2d5a1a53496cd2f080e13b9650ddebe6", kill_on_drop: false }`
[INFO] [stdout] 34410d82ab460cfa4d4cdc923c9cfaab2d5a1a53496cd2f080e13b9650ddebe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f877caec99e0f1bc7fcaf28982ff161de62b239f6cd7d3121a3246921ff68628
[INFO] running `Command { std: "docker" "start" "-a" "f877caec99e0f1bc7fcaf28982ff161de62b239f6cd7d3121a3246921ff68628", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/lexer/Cargo.toml: unused manifest key: tests
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking lexer_macros v0.1.0 (/opt/rustwide/workdir/lexer/macros)
[INFO] [stderr]     Checking parser_macros v0.1.0 (/opt/rustwide/workdir/parser/macros)
[INFO] [stdout] warning: struct is never constructed: `ParserInput`
[INFO] [stdout]   --> parser/macros/src/create_parser.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ParserInput {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParserInput`
[INFO] [stdout]   --> parser/macros/src/create_parser.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ParserInput {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stdout] warning: struct is never constructed: `ParserInput`
[INFO] [stdout]   --> parser/macros/src/create_parser.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct ParserInput {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]    --> collections/src/stream/peekable.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use std::str::Chars;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> collections/src/stream/peekable.rs:133:26
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let (mut stream, s) = setup("Peek0 Test String");
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> collections/src/stream/peekable.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let (mut stream, s) = setup("Peek0 Test String");
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> collections/src/stream/peekable.rs:147:26
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let (mut stream, s) = setup("Peek0 Test String");
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> collections/src/stream/peekable.rs:157:26
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let (mut stream, s) = setup("Peek0 Test String");
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeywordType`
[INFO] [stdout]   --> lexer/src/console_printer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     KeywordType,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         stream.consume();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         stream.consume();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         stream.consume();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         stream.consume();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         stream.peek(0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         stream.peek(0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> collections/src/stream/peekable.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         stream.peek(0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> parser/src/parsers/common.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn parse(stream: &mut ParseStream<'a>) -> ParseResult<Self::Output> {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeywordType`
[INFO] [stdout]   --> lexer/src/console_printer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     KeywordType,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking test_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]    --> parser/src/parsers/common.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn parse(stream: &mut ParseStream<'a>) -> ParseResult<Self::Output> {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "f877caec99e0f1bc7fcaf28982ff161de62b239f6cd7d3121a3246921ff68628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f877caec99e0f1bc7fcaf28982ff161de62b239f6cd7d3121a3246921ff68628", kill_on_drop: false }`
[INFO] [stdout] f877caec99e0f1bc7fcaf28982ff161de62b239f6cd7d3121a3246921ff68628