[INFO] cloning repository https://github.com/reidswan/monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reidswan/monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidswan%2Fmonkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidswan%2Fmonkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a1dcbf90bf6f62739b657aae3e1c710ee48efc1
[INFO] testing reidswan/monkey-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freidswan%2Fmonkey-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reidswan/monkey-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reidswan/monkey-rs
[INFO] finished tweaking git repo https://github.com/reidswan/monkey-rs
[INFO] tweaked toml for git repo https://github.com/reidswan/monkey-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/reidswan/monkey-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94250e7a96d2131910dc057e7b6548569b32aaf9cf129eae55ba3851650f4b29
[INFO] running `Command { std: "docker" "start" "-a" "94250e7a96d2131910dc057e7b6548569b32aaf9cf129eae55ba3851650f4b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94250e7a96d2131910dc057e7b6548569b32aaf9cf129eae55ba3851650f4b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94250e7a96d2131910dc057e7b6548569b32aaf9cf129eae55ba3851650f4b29", kill_on_drop: false }`
[INFO] [stdout] 94250e7a96d2131910dc057e7b6548569b32aaf9cf129eae55ba3851650f4b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbbc0261d8e2ccb1da22ac706f92ec7337e6f810804ab3a51c0d5347e798451e
[INFO] running `Command { std: "docker" "start" "-a" "fbbc0261d8e2ccb1da22ac706f92ec7337e6f810804ab3a51c0d5347e798451e", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `LetStatement`
[INFO] [stdout]   --> src/parser/ast.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     LetStatement {
[INFO] [stdout] 13 | |         token: tokens::Token,
[INFO] [stdout] 14 | |         identifier: Identifier,
[INFO] [stdout] 15 | |         value: Expression,
[INFO] [stdout] 16 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dummy`
[INFO] [stdout]   --> src/parser/ast.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Dummy,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Parser<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn new(l: lexer::Lexer<'a>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parser/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn parse(&mut self) -> Program {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_statement`
[INFO] [stdout]   --> src/parser/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn parse_statement(&mut self) -> Result<Statement, ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_let_statement`
[INFO] [stdout]   --> src/parser/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn parse_let_statement(&mut self, start: Token) -> Result<Statement, ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_peek`
[INFO] [stdout]   --> src/parser/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn expect_peek(&'a mut self, typ: TokenType) -> Result<&'a Token, ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser/mod.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn peek(&'a mut self) -> Result<&'a Token, ParseError> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_next`
[INFO] [stdout]   --> src/parser/mod.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn expect_next(&mut self, typ: TokenType) -> Result<Token, ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/parser/mod.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn next(&mut self) -> Result<Token, ParseError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "fbbc0261d8e2ccb1da22ac706f92ec7337e6f810804ab3a51c0d5347e798451e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbc0261d8e2ccb1da22ac706f92ec7337e6f810804ab3a51c0d5347e798451e", kill_on_drop: false }`
[INFO] [stdout] fbbc0261d8e2ccb1da22ac706f92ec7337e6f810804ab3a51c0d5347e798451e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e734c9e620fd962ec5b47a9930758540517f2a4b98850340eb1a9640a75eebb3
[INFO] running `Command { std: "docker" "start" "-a" "e734c9e620fd962ec5b47a9930758540517f2a4b98850340eb1a9640a75eebb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser/mod.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             _ => panic!("not a let statement"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_peek`
[INFO] [stdout]   --> src/parser/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn expect_peek(&'a mut self, typ: TokenType) -> Result<&'a Token, ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/parser/mod.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn peek(&'a mut self) -> Result<&'a Token, ParseError> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e734c9e620fd962ec5b47a9930758540517f2a4b98850340eb1a9640a75eebb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e734c9e620fd962ec5b47a9930758540517f2a4b98850340eb1a9640a75eebb3", kill_on_drop: false }`
[INFO] [stdout] e734c9e620fd962ec5b47a9930758540517f2a4b98850340eb1a9640a75eebb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b53300f39243f168005348f943f630571868ebf9ba997a113b3297ea9490d10
[INFO] running `Command { std: "docker" "start" "-a" "7b53300f39243f168005348f943f630571868ebf9ba997a113b3297ea9490d10", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser/mod.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             _ => panic!("not a let statement"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect_peek`
[INFO] [stderr]   --> src/parser/mod.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn expect_peek(&'a mut self, typ: TokenType) -> Result<&'a Token, ParseError> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stderr]   --> src/parser/mod.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn peek(&'a mut self) -> Result<&'a Token, ParseError> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey-rs` (bin "monkey-rs" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey_rs-6f54e308bd9b1665)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::tests::test_parse ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b53300f39243f168005348f943f630571868ebf9ba997a113b3297ea9490d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b53300f39243f168005348f943f630571868ebf9ba997a113b3297ea9490d10", kill_on_drop: false }`
[INFO] [stdout] 7b53300f39243f168005348f943f630571868ebf9ba997a113b3297ea9490d10