[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 master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Finteractives" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hukumka/interactives on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dbf7fc90818688d12a3dcfa71814d1caf01e163419b572e24e9d4ec124ab318 [INFO] running `Command { std: "docker" "start" "-a" "5dbf7fc90818688d12a3dcfa71814d1caf01e163419b572e24e9d4ec124ab318", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dbf7fc90818688d12a3dcfa71814d1caf01e163419b572e24e9d4ec124ab318", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dbf7fc90818688d12a3dcfa71814d1caf01e163419b572e24e9d4ec124ab318", kill_on_drop: false }` [INFO] [stdout] 5dbf7fc90818688d12a3dcfa71814d1caf01e163419b572e24e9d4ec124ab318 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6bfc659c697cc39de312b0949287242c5738fba9dcb6791bc568753b3868355 [INFO] running `Command { std: "docker" "start" "-a" "e6bfc659c697cc39de312b0949287242c5738fba9dcb6791bc568753b3868355", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [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 v1.5.4 [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