[INFO] cloning repository https://github.com/DrPandemic/monkey_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrPandemic/monkey_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrPandemic%2Fmonkey_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrPandemic%2Fmonkey_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23c4df1da66990a78fed9ee9700b727ac267dfb1
[INFO] checking DrPandemic/monkey_interpreter against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrPandemic%2Fmonkey_interpreter" "/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/DrPandemic/monkey_interpreter on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DrPandemic/monkey_interpreter
[INFO] finished tweaking git repo https://github.com/DrPandemic/monkey_interpreter
[INFO] tweaked toml for git repo https://github.com/DrPandemic/monkey_interpreter written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DrPandemic/monkey_interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b89c8feeb955ec5c7f4d5aa082d172f8152faa653c15e6c8a107a1af0a46f4e7
[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" "b89c8feeb955ec5c7f4d5aa082d172f8152faa653c15e6c8a107a1af0a46f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89c8feeb955ec5c7f4d5aa082d172f8152faa653c15e6c8a107a1af0a46f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89c8feeb955ec5c7f4d5aa082d172f8152faa653c15e6c8a107a1af0a46f4e7", kill_on_drop: false }`
[INFO] [stdout] b89c8feeb955ec5c7f4d5aa082d172f8152faa653c15e6c8a107a1af0a46f4e7
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 167df752b686bfe1a87586d0ac10347f3d51f4ae895cc17acce9995d3b8a38c3
[INFO] running `Command { std: "docker" "start" "-a" "167df752b686bfe1a87586d0ac10347f3d51f4ae895cc17acce9995d3b8a38c3", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Not_Eq` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Not_Eq,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Not_Eq` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Not_Eq,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identifier`
[INFO] [stdout]   --> src/token.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn identifier(literal: Vec<char>) -> Token {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `identifier`
[INFO] [stdout]   --> src/token.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn identifier(literal: Vec<char>) -> Token {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "167df752b686bfe1a87586d0ac10347f3d51f4ae895cc17acce9995d3b8a38c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167df752b686bfe1a87586d0ac10347f3d51f4ae895cc17acce9995d3b8a38c3", kill_on_drop: false }`
[INFO] [stdout] 167df752b686bfe1a87586d0ac10347f3d51f4ae895cc17acce9995d3b8a38c3