[INFO] cloning repository https://github.com/guapimm/variables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guapimm/variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguapimm%2Fvariables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguapimm%2Fvariables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80cdb6d59b466e08c8c2f1765275d17edfd89d99
[INFO] checking guapimm/variables against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguapimm%2Fvariables" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/guapimm/variables
[INFO] finished tweaking git repo https://github.com/guapimm/variables
[INFO] tweaked toml for git repo https://github.com/guapimm/variables written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guapimm/variables on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/guapimm/variables 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452
[INFO] running `Command { std: "docker" "start" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `x`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x =5;
[INFO] [stdout]   |         - first assignment to `x`
[INFO] [stdout] 3 |     println!("The value of x is:{}",x);
[INFO] [stdout] 4 |     x = 6;
[INFO] [stdout]   |     ^^^^^ cannot assign twice to immutable variable
[INFO] [stdout]   |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut x =5;
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `x`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x =5;
[INFO] [stdout]   |         - first assignment to `x`
[INFO] [stdout] 3 |     println!("The value of x is:{}",x);
[INFO] [stdout] 4 |     x = 6;
[INFO] [stdout]   |     ^^^^^ cannot assign twice to immutable variable
[INFO] [stdout]   |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut x =5;
[INFO] [stdout]   |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `variables` (bin "variables" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `variables` (bin "variables") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452", kill_on_drop: false }`
[INFO] [stdout] 6b5ffc922e2830f72748693bea7ade65b1267f093a0f0c6c1f5845e59aed1452
