[INFO] fetching crate backtracking_iterator 0.4.4... [INFO] checking backtracking_iterator-0.4.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate backtracking_iterator 0.4.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate backtracking_iterator 0.4.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate backtracking_iterator 0.4.4 [INFO] finished tweaking crates.io crate backtracking_iterator 0.4.4 [INFO] tweaked toml for crates.io crate backtracking_iterator 0.4.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 560702360a22fed5a295ea7dd83453ecc08b285e49632ad0d24e853fbd5e84c5 [INFO] running `Command { std: "docker" "start" "-a" "560702360a22fed5a295ea7dd83453ecc08b285e49632ad0d24e853fbd5e84c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "560702360a22fed5a295ea7dd83453ecc08b285e49632ad0d24e853fbd5e84c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "560702360a22fed5a295ea7dd83453ecc08b285e49632ad0d24e853fbd5e84c5", kill_on_drop: false }` [INFO] [stdout] 560702360a22fed5a295ea7dd83453ecc08b285e49632ad0d24e853fbd5e84c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c23b7ac8dd55dcb5a140cdde615396eb91230da33e116583a12c1c3f689be332 [INFO] running `Command { std: "docker" "start" "-a" "c23b7ac8dd55dcb5a140cdde615396eb91230da33e116583a12c1c3f689be332", kill_on_drop: false }` [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking backtracking_iterator v0.4.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BacktrackingState` [INFO] [stdout] --> src/concurrent.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking` and `Progressing` [INFO] [stdout] --> src/concurrent.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking` and `Progressing` [INFO] [stdout] --> src/concurrent.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BacktrackingState` [INFO] [stdout] --> src/concurrent.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | use super::{BacktrackingState, BacktrackingIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking` and `Progressing` [INFO] [stdout] --> src/concurrent.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Backtracking` and `Progressing` [INFO] [stdout] --> src/concurrent.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | use crate::{Backtracking, Progressing}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/concurrent.rs:209:26 [INFO] [stdout] | [INFO] [stdout] 209 | struct Uncloneable {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "c23b7ac8dd55dcb5a140cdde615396eb91230da33e116583a12c1c3f689be332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c23b7ac8dd55dcb5a140cdde615396eb91230da33e116583a12c1c3f689be332", kill_on_drop: false }` [INFO] [stdout] c23b7ac8dd55dcb5a140cdde615396eb91230da33e116583a12c1c3f689be332