[INFO] cloning repository https://github.com/jschappel/Teflon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jschappel/Teflon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FTeflon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FTeflon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 707ef85a6f52956b4e40ded3b0bad747c7926705
[INFO] checking jschappel/Teflon against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjschappel%2FTeflon" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jschappel/Teflon on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jschappel/Teflon
[INFO] finished tweaking git repo https://github.com/jschappel/Teflon
[INFO] tweaked toml for git repo https://github.com/jschappel/Teflon written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jschappel/Teflon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f5fd0b7363e30420ceb5646f14399ea5513f973a7eb594a9c69ce1e92cee7bd
[INFO] running `Command { std: "docker" "start" "-a" "4f5fd0b7363e30420ceb5646f14399ea5513f973a7eb594a9c69ce1e92cee7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5fd0b7363e30420ceb5646f14399ea5513f973a7eb594a9c69ce1e92cee7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5fd0b7363e30420ceb5646f14399ea5513f973a7eb594a9c69ce1e92cee7bd", kill_on_drop: false }`
[INFO] [stdout] 4f5fd0b7363e30420ceb5646f14399ea5513f973a7eb594a9c69ce1e92cee7bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e28afefd62884282eb819992cbeb7a55746fa07582bde2b1497ffe1f7e52426
[INFO] running `Command { std: "docker" "start" "-a" "4e28afefd62884282eb819992cbeb7a55746fa07582bde2b1497ffe1f7e52426", kill_on_drop: false }`
[INFO] [stderr]     Checking teflon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> src/lexer/token.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> src/lexer/token.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remainder`
[INFO] [stdout]  --> src/vm.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     remainder: u32,             // Contains the remainder of modulo division ops
[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: `new`
[INFO] [stdout]   --> src/instructions.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn new(opcode: Opcode) -> Instruction {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/lexer/mod.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[macro_use]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "4e28afefd62884282eb819992cbeb7a55746fa07582bde2b1497ffe1f7e52426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e28afefd62884282eb819992cbeb7a55746fa07582bde2b1497ffe1f7e52426", kill_on_drop: false }`
[INFO] [stdout] 4e28afefd62884282eb819992cbeb7a55746fa07582bde2b1497ffe1f7e52426