[INFO] cloning repository https://github.com/Cardiox12/crafting-intepreters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cardiox12/crafting-intepreters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCardiox12%2Fcrafting-intepreters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCardiox12%2Fcrafting-intepreters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb8dcde3d9d3bb9cf1db0f6655e0c20bd3472854
[INFO] checking Cardiox12/crafting-intepreters against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCardiox12%2Fcrafting-intepreters" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cardiox12/crafting-intepreters
[INFO] finished tweaking git repo https://github.com/Cardiox12/crafting-intepreters
[INFO] tweaked toml for git repo https://github.com/Cardiox12/crafting-intepreters written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cardiox12/crafting-intepreters on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cardiox12/crafting-intepreters already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c39d0b989a28b1d55d700d14809f2cadda411110ededae151aaf8f23487a4856
[INFO] running `Command { std: "docker" "start" "-a" "c39d0b989a28b1d55d700d14809f2cadda411110ededae151aaf8f23487a4856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39d0b989a28b1d55d700d14809f2cadda411110ededae151aaf8f23487a4856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39d0b989a28b1d55d700d14809f2cadda411110ededae151aaf8f23487a4856", kill_on_drop: false }`
[INFO] [stdout] c39d0b989a28b1d55d700d14809f2cadda411110ededae151aaf8f23487a4856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c4e3f947fe90959f82b5b5ca78599881879f1e42ad6a689a6bc64085514872
[INFO] running `Command { std: "docker" "start" "-a" "39c4e3f947fe90959f82b5b5ca78599881879f1e42ad6a689a6bc64085514872", kill_on_drop: false }`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]     Checking generator v0.1.0 (/opt/rustwide/workdir/generator)
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> interpreter/src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::exit, sync::Mutex};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> interpreter/src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{process::exit, sync::Mutex};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "39c4e3f947fe90959f82b5b5ca78599881879f1e42ad6a689a6bc64085514872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c4e3f947fe90959f82b5b5ca78599881879f1e42ad6a689a6bc64085514872", kill_on_drop: false }`
[INFO] [stdout] 39c4e3f947fe90959f82b5b5ca78599881879f1e42ad6a689a6bc64085514872