[INFO] fetching crate pi_cancel_timer 0.2.0... [INFO] checking pi_cancel_timer-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate pi_cancel_timer 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate pi_cancel_timer 0.2.0 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 pi_cancel_timer 0.2.0 [INFO] finished tweaking crates.io crate pi_cancel_timer 0.2.0 [INFO] tweaked toml for crates.io crate pi_cancel_timer 0.2.0 written to /workspace/builds/worker-6-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 23 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 25834e44e7e7e86f887e6e76964b85ccb4019d213d2b404038befbf287624404 [INFO] running `Command { std: "docker" "start" "-a" "25834e44e7e7e86f887e6e76964b85ccb4019d213d2b404038befbf287624404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25834e44e7e7e86f887e6e76964b85ccb4019d213d2b404038befbf287624404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25834e44e7e7e86f887e6e76964b85ccb4019d213d2b404038befbf287624404", kill_on_drop: false }` [INFO] [stdout] 25834e44e7e7e86f887e6e76964b85ccb4019d213d2b404038befbf287624404 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 635c90b751dffb00ae5e82b332cda70d7cec9006aabd1457fb55d74dbd3fdbf2 [INFO] running `Command { std: "docker" "start" "-a" "635c90b751dffb00ae5e82b332cda70d7cec9006aabd1457fb55d74dbd3fdbf2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking pi_ext_heap v0.1.1 [INFO] [stderr] Compiling slotmap v1.0.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking pi_slot_deque v0.2.1 [INFO] [stderr] Checking pi_slot_wheel v0.2.0 [INFO] [stderr] Checking pi_cancel_timer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `loc` [INFO] [stdout] --> src/lib.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | let loc = self.heap.push( [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_loc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking pcg_rand v0.13.0 [INFO] [stdout] warning: unused variable: `loc` [INFO] [stdout] --> src/lib.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | let loc = self.heap.push( [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_loc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s [INFO] running `Command { std: "docker" "inspect" "635c90b751dffb00ae5e82b332cda70d7cec9006aabd1457fb55d74dbd3fdbf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "635c90b751dffb00ae5e82b332cda70d7cec9006aabd1457fb55d74dbd3fdbf2", kill_on_drop: false }` [INFO] [stdout] 635c90b751dffb00ae5e82b332cda70d7cec9006aabd1457fb55d74dbd3fdbf2