[INFO] cloning repository https://github.com/Shoilee/long-tail-alignment [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shoilee/long-tail-alignment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoilee%2Flong-tail-alignment", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoilee%2Flong-tail-alignment'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bcbc038e6934f1969416b561d5a774046c6b012e [INFO] checking Shoilee/long-tail-alignment/bcbc038e6934f1969416b561d5a774046c6b012e against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShoilee%2Flong-tail-alignment" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shoilee/long-tail-alignment on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shoilee/long-tail-alignment [INFO] finished tweaking git repo https://github.com/Shoilee/long-tail-alignment [INFO] tweaked toml for git repo https://github.com/Shoilee/long-tail-alignment written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Shoilee/long-tail-alignment 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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f544ab71f674ad84c8a62924fec95f1426a3413032b4643e91ce6140b3226a89 [INFO] running `Command { std: "docker" "start" "-a" "f544ab71f674ad84c8a62924fec95f1426a3413032b4643e91ce6140b3226a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f544ab71f674ad84c8a62924fec95f1426a3413032b4643e91ce6140b3226a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f544ab71f674ad84c8a62924fec95f1426a3413032b4643e91ce6140b3226a89", kill_on_drop: false }` [INFO] [stdout] f544ab71f674ad84c8a62924fec95f1426a3413032b4643e91ce6140b3226a89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0d2dc9f9db36e93999c663dbdfc23216c2a300bcafd89fbc6496a4c081dc0bb [INFO] running `Command { std: "docker" "start" "-a" "d0d2dc9f9db36e93999c663dbdfc23216c2a300bcafd89fbc6496a4c081dc0bb", kill_on_drop: false }` [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking flashfill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `nodes` is never read [INFO] [stdout] --> src/data_structure.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Dag { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 38 | pub nodes: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Dag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `nodes` is never read [INFO] [stdout] --> src/data_structure.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Dag { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 38 | pub nodes: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Dag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "d0d2dc9f9db36e93999c663dbdfc23216c2a300bcafd89fbc6496a4c081dc0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d2dc9f9db36e93999c663dbdfc23216c2a300bcafd89fbc6496a4c081dc0bb", kill_on_drop: false }` [INFO] [stdout] d0d2dc9f9db36e93999c663dbdfc23216c2a300bcafd89fbc6496a4c081dc0bb