[INFO] cloning repository https://github.com/Recognition2/brainyuck-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Recognition2/brainyuck-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecognition2%2Fbrainyuck-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecognition2%2Fbrainyuck-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef51dcb29ab719f2dfca2a80d9c9a07409dfd8c0 [INFO] checking Recognition2/brainyuck-rust against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRecognition2%2Fbrainyuck-rust" "/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/Recognition2/brainyuck-rust on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Recognition2/brainyuck-rust [INFO] finished tweaking git repo https://github.com/Recognition2/brainyuck-rust [INFO] tweaked toml for git repo https://github.com/Recognition2/brainyuck-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Recognition2/brainyuck-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ansi_term v0.10.2 [INFO] [stderr] Downloaded atty v0.2.6 [INFO] [stderr] Downloaded winapi v0.3.2 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded clap v2.29.0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfbfe98df43f7733937bab45d9a9d658fc91d9898d2572c9596d2620d5f43107 [INFO] running `Command { std: "docker" "start" "-a" "dfbfe98df43f7733937bab45d9a9d658fc91d9898d2572c9596d2620d5f43107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfbfe98df43f7733937bab45d9a9d658fc91d9898d2572c9596d2620d5f43107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfbfe98df43f7733937bab45d9a9d658fc91d9898d2572c9596d2620d5f43107", kill_on_drop: false }` [INFO] [stdout] dfbfe98df43f7733937bab45d9a9d658fc91d9898d2572c9596d2620d5f43107 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4c56fc09d81bbac38c2a9069c213af56a96d8de0673698a0ee21f6d9364ea8c [INFO] running `Command { std: "docker" "start" "-a" "f4c56fc09d81bbac38c2a9069c213af56a96d8de0673698a0ee21f6d9364ea8c", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Checking tescht v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `comma` is assigned to, but never used [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut comma = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_comma` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `comma` is assigned to, but never used [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut comma = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_comma` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.50s [INFO] running `Command { std: "docker" "inspect" "f4c56fc09d81bbac38c2a9069c213af56a96d8de0673698a0ee21f6d9364ea8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4c56fc09d81bbac38c2a9069c213af56a96d8de0673698a0ee21f6d9364ea8c", kill_on_drop: false }` [INFO] [stdout] f4c56fc09d81bbac38c2a9069c213af56a96d8de0673698a0ee21f6d9364ea8c