[INFO] updating cached repository https://github.com/hukumka/interactives [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8fd54ec762fcf4aece15bc0be52234f8fbbf392 [INFO] checking hukumka/interactives against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Finteractives" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hukumka/interactives on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 189322fe613501abca7410fe4c69e2a78c5e76df42ff8ab2c6d8f5bc091dd8f0 [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" "189322fe613501abca7410fe4c69e2a78c5e76df42ff8ab2c6d8f5bc091dd8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "189322fe613501abca7410fe4c69e2a78c5e76df42ff8ab2c6d8f5bc091dd8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "189322fe613501abca7410fe4c69e2a78c5e76df42ff8ab2c6d8f5bc091dd8f0", kill_on_drop: false }` [INFO] [stdout] 189322fe613501abca7410fe4c69e2a78c5e76df42ff8ab2c6d8f5bc091dd8f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d0db0a194c3f9ae614da44cf183af68e7fffb6aeb79c091ec1c550f322219f6 [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" "3d0db0a194c3f9ae614da44cf183af68e7fffb6aeb79c091ec1c550f322219f6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking serde_json v1.0.56 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking hamt-rs v0.3.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [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