[INFO] cloning repository https://github.com/Heroadn/simple_context_free_grammar [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Heroadn/simple_context_free_grammar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f1eb2c927a75f47e7536aaa28e4204ef90f1243 [INFO] building Heroadn/simple_context_free_grammar against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeroadn%2Fsimple_context_free_grammar" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Heroadn/simple_context_free_grammar on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Heroadn/simple_context_free_grammar [INFO] finished tweaking git repo https://github.com/Heroadn/simple_context_free_grammar [INFO] tweaked toml for git repo https://github.com/Heroadn/simple_context_free_grammar written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Heroadn/simple_context_free_grammar 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c5de4b0d0440d621e5a0ca5305e841164c4778a144de32f9a8c15af297f5c6f [INFO] running `Command { std: "docker" "start" "-a" "0c5de4b0d0440d621e5a0ca5305e841164c4778a144de32f9a8c15af297f5c6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c5de4b0d0440d621e5a0ca5305e841164c4778a144de32f9a8c15af297f5c6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c5de4b0d0440d621e5a0ca5305e841164c4778a144de32f9a8c15af297f5c6f", kill_on_drop: false }` [INFO] [stdout] 0c5de4b0d0440d621e5a0ca5305e841164c4778a144de32f9a8c15af297f5c6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24018f2a6c76ca81a4e1609d497d8be21cf189e9669cf43d0067d6f15cd6e21e [INFO] running `Command { std: "docker" "start" "-a" "24018f2a6c76ca81a4e1609d497d8be21cf189e9669cf43d0067d6f15cd6e21e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling cfg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `find_token` is never used [INFO] [stdout] --> src/cfg.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn find_token(tokens: String, lookahead: String) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "24018f2a6c76ca81a4e1609d497d8be21cf189e9669cf43d0067d6f15cd6e21e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24018f2a6c76ca81a4e1609d497d8be21cf189e9669cf43d0067d6f15cd6e21e", kill_on_drop: false }` [INFO] [stdout] 24018f2a6c76ca81a4e1609d497d8be21cf189e9669cf43d0067d6f15cd6e21e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8fb10dad6f4b8895ea30b9b71692f5f8fa25e1a3d91239079e584628b4c29cbe [INFO] running `Command { std: "docker" "start" "-a" "8fb10dad6f4b8895ea30b9b71692f5f8fa25e1a3d91239079e584628b4c29cbe", kill_on_drop: false }` [INFO] [stderr] Compiling cfg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `find_token` is never used [INFO] [stdout] --> src/cfg.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn find_token(tokens: String, lookahead: String) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "8fb10dad6f4b8895ea30b9b71692f5f8fa25e1a3d91239079e584628b4c29cbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fb10dad6f4b8895ea30b9b71692f5f8fa25e1a3d91239079e584628b4c29cbe", kill_on_drop: false }` [INFO] [stdout] 8fb10dad6f4b8895ea30b9b71692f5f8fa25e1a3d91239079e584628b4c29cbe