[INFO] fetching crate multitask 0.2.0... [INFO] checking multitask-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate multitask 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate multitask 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate multitask 0.2.0 [INFO] finished tweaking crates.io crate multitask 0.2.0 [INFO] tweaked toml for crates.io crate multitask 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-io v0.1.11 (latest: v2.3.2) [INFO] [stderr] Adding async-task v3.0.0 (latest: v4.7.0) [INFO] [stderr] Adding blocking v0.4.7 (latest: v1.5.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding concurrent-queue v1.2.4 (latest: v2.4.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v0.1.11 (latest: v2.3.0) [INFO] [stderr] Adding parking v1.0.6 (latest: v2.2.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding polling v0.1.9 (latest: v3.6.0) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.6) [INFO] [stderr] Adding vec-arena v0.5.2 (latest: v1.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-lite v0.1.11 [INFO] [stderr] Downloaded cache-padded v1.3.0 [INFO] [stderr] Downloaded concurrent-queue v1.2.4 [INFO] [stderr] Downloaded polling v0.1.9 [INFO] [stderr] Downloaded vec-arena v0.5.2 [INFO] [stderr] Downloaded wepoll-sys-stjepang v1.0.8 [INFO] [stderr] Downloaded async-io v0.1.11 [INFO] [stderr] Downloaded async-task v3.0.0 [INFO] [stderr] Downloaded blocking v0.4.7 [INFO] [stderr] Downloaded parking v1.0.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 245a3a70b860725c55ee5aebd421f6eb98a758ea3e44658715d7980fe92e2528 [INFO] running `Command { std: "docker" "start" "-a" "245a3a70b860725c55ee5aebd421f6eb98a758ea3e44658715d7980fe92e2528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "245a3a70b860725c55ee5aebd421f6eb98a758ea3e44658715d7980fe92e2528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "245a3a70b860725c55ee5aebd421f6eb98a758ea3e44658715d7980fe92e2528", kill_on_drop: false }` [INFO] [stdout] 245a3a70b860725c55ee5aebd421f6eb98a758ea3e44658715d7980fe92e2528 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c1aad8aa21994419a915dd779f0b21307b0f76f3c8a3e2130705ce5c13e30c7 [INFO] running `Command { std: "docker" "start" "-a" "9c1aad8aa21994419a915dd779f0b21307b0f76f3c8a3e2130705ce5c13e30c7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking vec-arena v0.5.2 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking parking v1.0.6 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking multitask v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:291:14 [INFO] [stdout] | [INFO] [stdout] 291 | .compare_and_swap(false, true, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking futures-lite v0.1.11 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking polling v0.1.9 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking blocking v0.4.7 [INFO] [stderr] Checking async-io v0.1.11 [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:291:14 [INFO] [stdout] | [INFO] [stdout] 291 | .compare_and_swap(false, true, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` 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 2.25s [INFO] running `Command { std: "docker" "inspect" "9c1aad8aa21994419a915dd779f0b21307b0f76f3c8a3e2130705ce5c13e30c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c1aad8aa21994419a915dd779f0b21307b0f76f3c8a3e2130705ce5c13e30c7", kill_on_drop: false }` [INFO] [stdout] 9c1aad8aa21994419a915dd779f0b21307b0f76f3c8a3e2130705ce5c13e30c7