[INFO] cloning repository https://github.com/k0f1sh/l2r2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k0f1sh/l2r2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0f1sh%2Fl2r2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0f1sh%2Fl2r2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6e60d05fd86cd9041a2bc09bba6efd8b22a305a [INFO] building k0f1sh/l2r2 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%2Fk0f1sh%2Fl2r2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/k0f1sh/l2r2 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/k0f1sh/l2r2 [INFO] finished tweaking git repo https://github.com/k0f1sh/l2r2 [INFO] tweaked toml for git repo https://github.com/k0f1sh/l2r2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/k0f1sh/l2r2 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0dddf0da03f790e107af088653b46e737791937064e882ad81f4c3894a43f872 [INFO] running `Command { std: "docker" "start" "-a" "0dddf0da03f790e107af088653b46e737791937064e882ad81f4c3894a43f872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dddf0da03f790e107af088653b46e737791937064e882ad81f4c3894a43f872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dddf0da03f790e107af088653b46e737791937064e882ad81f4c3894a43f872", kill_on_drop: false }` [INFO] [stdout] 0dddf0da03f790e107af088653b46e737791937064e882ad81f4c3894a43f872 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 79d3839d07c2dd5eeccdd7d7f82717f63215f9a2418c5cf3b57e85771960323e [INFO] running `Command { std: "docker" "start" "-a" "79d3839d07c2dd5eeccdd7d7f82717f63215f9a2418c5cf3b57e85771960323e", kill_on_drop: false }` [INFO] [stderr] Compiling l2r2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `start_id` is never read [INFO] [stdout] --> src/nfa.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct NFA { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 36 | start_id: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NFA` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `match_nfa` is never used [INFO] [stdout] --> src/nfa.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 254 | pub fn match_nfa(nfa: &NFA, input: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MatchResult` is never used [INFO] [stdout] --> src/nfa.rs:270:6 [INFO] [stdout] | [INFO] [stdout] 270 | enum MatchResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InputWithIndex` is never constructed [INFO] [stdout] --> src/nfa.rs:276:8 [INFO] [stdout] | [INFO] [stdout] 276 | struct InputWithIndex { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next`, `peek`, `set_index`, and `is_end` are never used [INFO] [stdout] --> src/nfa.rs:282:8 [INFO] [stdout] | [INFO] [stdout] 281 | impl InputWithIndex { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] 282 | fn next(&mut self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 287 | fn peek(&self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 290 | fn set_index(&mut self, index: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 293 | fn is_end(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `epsilon_closure` is never used [INFO] [stdout] --> src/nfa.rs:366:4 [INFO] [stdout] | [INFO] [stdout] 366 | fn epsilon_closure(nfa: &NFA, current_state_id: usize) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `Command { std: "docker" "inspect" "79d3839d07c2dd5eeccdd7d7f82717f63215f9a2418c5cf3b57e85771960323e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79d3839d07c2dd5eeccdd7d7f82717f63215f9a2418c5cf3b57e85771960323e", kill_on_drop: false }` [INFO] [stdout] 79d3839d07c2dd5eeccdd7d7f82717f63215f9a2418c5cf3b57e85771960323e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4ba4fec1340971a243c2aada503611f3062257610d61d917b688813996bfd06e [INFO] running `Command { std: "docker" "start" "-a" "4ba4fec1340971a243c2aada503611f3062257610d61d917b688813996bfd06e", kill_on_drop: false }` [INFO] [stderr] Compiling l2r2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "4ba4fec1340971a243c2aada503611f3062257610d61d917b688813996bfd06e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ba4fec1340971a243c2aada503611f3062257610d61d917b688813996bfd06e", kill_on_drop: false }` [INFO] [stdout] 4ba4fec1340971a243c2aada503611f3062257610d61d917b688813996bfd06e