[INFO] cloning repository https://github.com/ukikagi/reglang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ukikagi/reglang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukikagi%2Freglang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukikagi%2Freglang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 467c392d8e7552ea5a15d5a1ff0d1809690098ef [INFO] building ukikagi/reglang 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%2Fukikagi%2Freglang" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ukikagi/reglang 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/ukikagi/reglang [INFO] finished tweaking git repo https://github.com/ukikagi/reglang [INFO] tweaked toml for git repo https://github.com/ukikagi/reglang written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ukikagi/reglang 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] caa14260c89c97948e84b10c9b5fdb0b01e7c94643a990a700d20ea42f0a947d [INFO] running `Command { std: "docker" "start" "-a" "caa14260c89c97948e84b10c9b5fdb0b01e7c94643a990a700d20ea42f0a947d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "caa14260c89c97948e84b10c9b5fdb0b01e7c94643a990a700d20ea42f0a947d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caa14260c89c97948e84b10c9b5fdb0b01e7c94643a990a700d20ea42f0a947d", kill_on_drop: false }` [INFO] [stdout] caa14260c89c97948e84b10c9b5fdb0b01e7c94643a990a700d20ea42f0a947d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b8e16a5d865dd8b789e5760497f9cb57a92de4a884db5430b6a16e039917fc05 [INFO] running `Command { std: "docker" "start" "-a" "b8e16a5d865dd8b789e5760497f9cb57a92de4a884db5430b6a16e039917fc05", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling wyz v0.2.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling funty v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling bitvec v0.19.5 [INFO] [stderr] Compiling reglang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `LazyNfa` is never used [INFO] [stdout] --> src/lazy/lazy_nfa.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait LazyNfa { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnionNfa` is never constructed [INFO] [stdout] --> src/lazy/union.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct UnionNfa { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Left` and `Right` are never constructed [INFO] [stdout] --> src/lazy/union.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 11 | enum Sum { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] 12 | Left(L), [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Right(R), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sum` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.43s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b8e16a5d865dd8b789e5760497f9cb57a92de4a884db5430b6a16e039917fc05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8e16a5d865dd8b789e5760497f9cb57a92de4a884db5430b6a16e039917fc05", kill_on_drop: false }` [INFO] [stdout] b8e16a5d865dd8b789e5760497f9cb57a92de4a884db5430b6a16e039917fc05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f44e4cece3b95733767c5dacc6e063a5b64eb0d78a8558747f58b2ef75367668 [INFO] running `Command { std: "docker" "start" "-a" "f44e4cece3b95733767c5dacc6e063a5b64eb0d78a8558747f58b2ef75367668", kill_on_drop: false }` [INFO] [stderr] Compiling reglang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `LazyNfa` is never used [INFO] [stdout] --> src/lazy/lazy_nfa.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait LazyNfa { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnionNfa` is never constructed [INFO] [stdout] --> src/lazy/union.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct UnionNfa { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Left` and `Right` are never constructed [INFO] [stdout] --> src/lazy/union.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 11 | enum Sum { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] 12 | Left(L), [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Right(R), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sum` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `LazyNfa` is never used [INFO] [stdout] --> src/lazy/lazy_nfa.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait LazyNfa { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UnionNfa` is never constructed [INFO] [stdout] --> src/lazy/union.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct UnionNfa { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Left` and `Right` are never constructed [INFO] [stdout] --> src/lazy/union.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 11 | enum Sum { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] 12 | Left(L), [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | Right(R), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sum` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f44e4cece3b95733767c5dacc6e063a5b64eb0d78a8558747f58b2ef75367668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f44e4cece3b95733767c5dacc6e063a5b64eb0d78a8558747f58b2ef75367668", kill_on_drop: false }` [INFO] [stdout] f44e4cece3b95733767c5dacc6e063a5b64eb0d78a8558747f58b2ef75367668