[INFO] cloning repository https://github.com/hukumka/interactives [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hukumka/interactives" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Finteractives", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Finteractives'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8fd54ec762fcf4aece15bc0be52234f8fbbf392 [INFO] checking hukumka/interactives against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Finteractives" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hukumka/interactives on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hukumka/interactives [INFO] finished tweaking git repo https://github.com/hukumka/interactives [INFO] tweaked toml for git repo https://github.com/hukumka/interactives written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hamt-rs v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c17723a40899e4a34615ff7e85578c655c4e6df7ad6dd67e5cb24d203c2e237 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6c17723a40899e4a34615ff7e85578c655c4e6df7ad6dd67e5cb24d203c2e237", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c17723a40899e4a34615ff7e85578c655c4e6df7ad6dd67e5cb24d203c2e237", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c17723a40899e4a34615ff7e85578c655c4e6df7ad6dd67e5cb24d203c2e237", kill_on_drop: false }` [INFO] [stdout] 6c17723a40899e4a34615ff7e85578c655c4e6df7ad6dd67e5cb24d203c2e237 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1f1dda8d0031d23c3f529a692df55c35b3c79b8fa99d6ad10f5e854b05fcdb0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b1f1dda8d0031d23c3f529a692df55c35b3c79b8fa99d6ad10f5e854b05fcdb0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking hamt-rs v0.3.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Checking interactive_c v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syntax_tree.rs:854:17 [INFO] [stdout] | [INFO] [stdout] 854 | let mut $walker_name = _tree.walker(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 1398 | new_walker!{let mut walker = "int x=0; int x(int a){return a + 4; for(int i=0; i