[INFO] cloning repository https://github.com/PickledChair/RustyMonkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PickledChair/RustyMonkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPickledChair%2FRustyMonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPickledChair%2FRustyMonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 722115c0734822c5107c7d9ba2f43ae56c4b0359
[INFO] checking PickledChair/RustyMonkey against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPickledChair%2FRustyMonkey" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PickledChair/RustyMonkey on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PickledChair/RustyMonkey
[INFO] finished tweaking git repo https://github.com/PickledChair/RustyMonkey
[INFO] tweaked toml for git repo https://github.com/PickledChair/RustyMonkey written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/PickledChair/RustyMonkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e55aa5095b7fef07a22a0d824158d7fc1b3abc56ac0e4894c82bba5845170d18
[INFO] running `Command { std: "docker" "start" "-a" "e55aa5095b7fef07a22a0d824158d7fc1b3abc56ac0e4894c82bba5845170d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55aa5095b7fef07a22a0d824158d7fc1b3abc56ac0e4894c82bba5845170d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55aa5095b7fef07a22a0d824158d7fc1b3abc56ac0e4894c82bba5845170d18", kill_on_drop: false }`
[INFO] [stdout] e55aa5095b7fef07a22a0d824158d7fc1b3abc56ac0e4894c82bba5845170d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929efb260dac10135fdb00ba8ca7aeae23deb78653e648faf026f9f9d4a041ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "929efb260dac10135fdb00ba8ca7aeae23deb78653e648faf026f9f9d4a041ef", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `peek_error_msg`
[INFO] [stdout]  --> src/parser/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn peek_error_msg<T1: AsRef<str>, T2: AsRef<str>>(expect: T1, instead: T2) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cur_token`
[INFO] [stdout]   --> src/parser/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     cur_token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_peek`
[INFO] [stdout]   --> src/parser/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn expect_peek(&mut self, kind: TokenKind) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_program`
[INFO] [stdout]   --> src/parser/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn parse_program(&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:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn parse_statement(&mut self) -> Result<Statement, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_let_statement`
[INFO] [stdout]   --> src/parser/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn parse_let_statement(&mut self) -> Result<LetStatement, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_return_statment`
[INFO] [stdout]   --> src/parser/mod.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn parse_return_statment(&mut self) -> Result<ReturnStatement, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "929efb260dac10135fdb00ba8ca7aeae23deb78653e648faf026f9f9d4a041ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929efb260dac10135fdb00ba8ca7aeae23deb78653e648faf026f9f9d4a041ef", kill_on_drop: false }`
[INFO] [stdout] 929efb260dac10135fdb00ba8ca7aeae23deb78653e648faf026f9f9d4a041ef