[INFO] cloning repository https://github.com/Neidi387/two
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Neidi387/two" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeidi387%2Ftwo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeidi387%2Ftwo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0540f56feef51e8f7000d20f00ee8410e7ba533b
[INFO] testing Neidi387/two against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeidi387%2Ftwo" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Neidi387/two
[INFO] finished tweaking git repo https://github.com/Neidi387/two
[INFO] tweaked toml for git repo https://github.com/Neidi387/two written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Neidi387/two on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Neidi387/two 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2819270b257eae9e8f9f068537e1de8a71664541d4994fb5c6384486dc46b1e7
[INFO] running `Command { std: "docker" "start" "-a" "2819270b257eae9e8f9f068537e1de8a71664541d4994fb5c6384486dc46b1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2819270b257eae9e8f9f068537e1de8a71664541d4994fb5c6384486dc46b1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2819270b257eae9e8f9f068537e1de8a71664541d4994fb5c6384486dc46b1e7", kill_on_drop: false }`
[INFO] [stdout] 2819270b257eae9e8f9f068537e1de8a71664541d4994fb5c6384486dc46b1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ff03db048e6a32c33c8908d83623b0d806bad6635dbf8fe876c6147db1ae0c
[INFO] running `Command { std: "docker" "start" "-a" "a9ff03db048e6a32c33c8908d83623b0d806bad6635dbf8fe876c6147db1ae0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0381]: used binding `last_diff` is possibly-uninitialized
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut last_diff: i16;
[INFO] [stdout]    |         ------------- binding declared here but left uninitialized
[INFO] [stdout] 20 |     for i in 0..report.len() - 1 {
[INFO] [stdout]    |              ------------------- if the `for` loop runs 0 times, `last_diff` is not initialized
[INFO] [stdout] ...
[INFO] [stdout] 29 |         if 0 == i {
[INFO] [stdout]    |            ------ if this `if` condition is `false`, `last_diff` is not initialized
[INFO] [stdout] ...
[INFO] [stdout] 32 |         }
[INFO] [stdout]    |          - an `else` arm might be missing here, initializing `last_diff`
[INFO] [stdout] 33 |         if last_diff < 0 && diff > 0 {
[INFO] [stdout]    |            ^^^^^^^^^ `last_diff` used here but it is possibly-uninitialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0381`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two` (bin "two") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a9ff03db048e6a32c33c8908d83623b0d806bad6635dbf8fe876c6147db1ae0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ff03db048e6a32c33c8908d83623b0d806bad6635dbf8fe876c6147db1ae0c", kill_on_drop: false }`
[INFO] [stdout] a9ff03db048e6a32c33c8908d83623b0d806bad6635dbf8fe876c6147db1ae0c