[INFO] fetching crate multitask 0.2.0... [INFO] checking multitask-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate multitask 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate multitask 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [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: v5.2.0) [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded blocking v0.4.7 [INFO] [stderr] Downloaded async-io v0.1.11 [INFO] [stderr] Downloaded futures-lite v0.1.11 [INFO] [stderr] Downloaded parking v1.0.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c3e5ae008644fbe8c7c703d0d083621add53e92d2b68a660f9070e7925a16e3f [INFO] running `Command { std: "docker" "start" "-a" "c3e5ae008644fbe8c7c703d0d083621add53e92d2b68a660f9070e7925a16e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3e5ae008644fbe8c7c703d0d083621add53e92d2b68a660f9070e7925a16e3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3e5ae008644fbe8c7c703d0d083621add53e92d2b68a660f9070e7925a16e3f", kill_on_drop: false }` [INFO] [stdout] c3e5ae008644fbe8c7c703d0d083621add53e92d2b68a660f9070e7925a16e3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d2ae73d31476595f520100da150ae81390f31b4e620d85f9a1b09f6f35d52ee [INFO] running `Command { std: "docker" "start" "-a" "5d2ae73d31476595f520100da150ae81390f31b4e620d85f9a1b09f6f35d52ee", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking parking v1.0.6 [INFO] [stderr] Checking vec-arena v0.5.2 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking futures-lite v0.1.11 [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 async-channel v1.9.0 [INFO] [stderr] Checking blocking v0.4.7 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking polling v0.1.9 [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 1.46s [INFO] running `Command { std: "docker" "inspect" "5d2ae73d31476595f520100da150ae81390f31b4e620d85f9a1b09f6f35d52ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d2ae73d31476595f520100da150ae81390f31b4e620d85f9a1b09f6f35d52ee", kill_on_drop: false }` [INFO] [stdout] 5d2ae73d31476595f520100da150ae81390f31b4e620d85f9a1b09f6f35d52ee [INFO] checking multitask-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate multitask 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate multitask 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ebcb12c212caa25b49823c352e1ee8c4487101ef63297eb23695ff20b41b0a3 [INFO] running `Command { std: "docker" "start" "-a" "7ebcb12c212caa25b49823c352e1ee8c4487101ef63297eb23695ff20b41b0a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ebcb12c212caa25b49823c352e1ee8c4487101ef63297eb23695ff20b41b0a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ebcb12c212caa25b49823c352e1ee8c4487101ef63297eb23695ff20b41b0a3", kill_on_drop: false }` [INFO] [stdout] 7ebcb12c212caa25b49823c352e1ee8c4487101ef63297eb23695ff20b41b0a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1560b3199de251d21f9499d1122b32abb9b8614158aa54f12682552c3db84bdf [INFO] running `Command { std: "docker" "start" "-a" "1560b3199de251d21f9499d1122b32abb9b8614158aa54f12682552c3db84bdf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking async-task v3.0.0 [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 concurrent-queue v1.2.4 [INFO] [stderr] Checking futures-lite v0.1.11 [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] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-0.1.11/src/future.rs:472:27 [INFO] [stdout] | [INFO] [stdout] 472 | let t1 = res1.map_err(|_| unreachable!()).unwrap(); [INFO] [stdout] | ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 472 | let t1 = res1.map_err::(|_| unreachable!()).unwrap(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-lite` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1560b3199de251d21f9499d1122b32abb9b8614158aa54f12682552c3db84bdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1560b3199de251d21f9499d1122b32abb9b8614158aa54f12682552c3db84bdf", kill_on_drop: false }` [INFO] [stdout] 1560b3199de251d21f9499d1122b32abb9b8614158aa54f12682552c3db84bdf