[INFO] cloning repository https://github.com/McCoyBecker/monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/McCoyBecker/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoyBecker%2Fmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoyBecker%2Fmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] defb4cd044e6462b126fba90ffd3821896e8c651
[INFO] checking McCoyBecker/monkey against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMcCoyBecker%2Fmonkey" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/McCoyBecker/monkey on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/McCoyBecker/monkey
[INFO] finished tweaking git repo https://github.com/McCoyBecker/monkey
[INFO] tweaked toml for git repo https://github.com/McCoyBecker/monkey written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/McCoyBecker/monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 03767a0700946ae05a0f103c4e3efeca01acaac1eb195692108747f28460b0ec
[INFO] running `Command { std: "docker" "start" "-a" "03767a0700946ae05a0f103c4e3efeca01acaac1eb195692108747f28460b0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03767a0700946ae05a0f103c4e3efeca01acaac1eb195692108747f28460b0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03767a0700946ae05a0f103c4e3efeca01acaac1eb195692108747f28460b0ec", kill_on_drop: false }`
[INFO] [stdout] 03767a0700946ae05a0f103c4e3efeca01acaac1eb195692108747f28460b0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9bfeb10a6a0305a975a131edec7e5cc846f19ae8b421d694ee24ebc67269565
[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" "e9bfeb10a6a0305a975a131edec7e5cc846f19ae8b421d694ee24ebc67269565", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v100.1.1
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ILLEGAL`
[INFO] [stdout]   --> src/lexer.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         ILLEGAL,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ILLEGAL`
[INFO] [stdout]   --> src/lexer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/lexer.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IDENT`
[INFO] [stdout]   --> src/lexer.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     IDENT,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `INT`
[INFO] [stdout]   --> src/lexer.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     INT,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ASSIGN`
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ASSIGN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PLUS`
[INFO] [stdout]   --> src/lexer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     PLUS,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `COMMA`
[INFO] [stdout]   --> src/lexer.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     COMMA,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SEMICOLON`
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     SEMICOLON,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LPAREN`
[INFO] [stdout]   --> src/lexer.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RPAREN`
[INFO] [stdout]   --> src/lexer.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LBRACE`
[INFO] [stdout]   --> src/lexer.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     LBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RBRACE`
[INFO] [stdout]   --> src/lexer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     RBRACE,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FUNCTION`
[INFO] [stdout]   --> src/lexer.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     FUNCTION,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LET`
[INFO] [stdout]   --> src/lexer.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     LET
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Lexer`
[INFO] [stdout]   --> src/lexer.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Lexer
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lexer.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(inp: String) -> Lexer
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_char`
[INFO] [stdout]   --> src/lexer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn read_char(&mut self) -> ()
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_token`
[INFO] [stdout]   --> src/lexer.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn next_token(&mut self) -> Token
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ILLEGAL`
[INFO] [stdout]   --> src/lexer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ILLEGAL,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.81s
[INFO] running `Command { std: "docker" "inspect" "e9bfeb10a6a0305a975a131edec7e5cc846f19ae8b421d694ee24ebc67269565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9bfeb10a6a0305a975a131edec7e5cc846f19ae8b421d694ee24ebc67269565", kill_on_drop: false }`
[INFO] [stdout] e9bfeb10a6a0305a975a131edec7e5cc846f19ae8b421d694ee24ebc67269565
