[INFO] fetching crate lending-stream 1.0.0... [INFO] checking lending-stream-1.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate lending-stream 1.0.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate lending-stream 1.0.0 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 lending-stream 1.0.0 [INFO] finished tweaking crates.io crate lending-stream 1.0.0 [INFO] tweaked toml for crates.io crate lending-stream 1.0.0 written to /workspace/builds/worker-2-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] Locking 17 packages [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1f734bc703d7d4f39eecb4fc0ac4ec897ffecf64185c076aa86ab7725892a8e1 [INFO] running `Command { std: "docker" "start" "-a" "1f734bc703d7d4f39eecb4fc0ac4ec897ffecf64185c076aa86ab7725892a8e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f734bc703d7d4f39eecb4fc0ac4ec897ffecf64185c076aa86ab7725892a8e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f734bc703d7d4f39eecb4fc0ac4ec897ffecf64185c076aa86ab7725892a8e1", kill_on_drop: false }` [INFO] [stdout] 1f734bc703d7d4f39eecb4fc0ac4ec897ffecf64185c076aa86ab7725892a8e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3996ecc8318646eb0d7b5c67bb51df7c2a5852283f68ec2b79a831bf506150bc [INFO] running `Command { std: "docker" "start" "-a" "3996ecc8318646eb0d7b5c67bb51df7c2a5852283f68ec2b79a831bf506150bc", kill_on_drop: false }` [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking lending-stream v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> tests/test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use futures_core::Stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | use futures_lite::prelude::*; [INFO] [stdout] | ------------------------ the item `Stream` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 2.54s [INFO] running `Command { std: "docker" "inspect" "3996ecc8318646eb0d7b5c67bb51df7c2a5852283f68ec2b79a831bf506150bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3996ecc8318646eb0d7b5c67bb51df7c2a5852283f68ec2b79a831bf506150bc", kill_on_drop: false }` [INFO] [stdout] 3996ecc8318646eb0d7b5c67bb51df7c2a5852283f68ec2b79a831bf506150bc [INFO] checking lending-stream-1.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate lending-stream 1.0.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate lending-stream 1.0.0 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 lending-stream 1.0.0 [INFO] finished tweaking crates.io crate lending-stream 1.0.0 [INFO] tweaked toml for crates.io crate lending-stream 1.0.0 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" "+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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcb62b77c61c7b359765d5f342200751b353be9843b4a6d538101206bc0391df [INFO] running `Command { std: "docker" "start" "-a" "fcb62b77c61c7b359765d5f342200751b353be9843b4a6d538101206bc0391df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcb62b77c61c7b359765d5f342200751b353be9843b4a6d538101206bc0391df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcb62b77c61c7b359765d5f342200751b353be9843b4a6d538101206bc0391df", kill_on_drop: false }` [INFO] [stdout] fcb62b77c61c7b359765d5f342200751b353be9843b4a6d538101206bc0391df [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" "-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] 03a99be752c7254505ed935ee5d67e982af3135009a1a4a426baac0317cf7f7a [INFO] running `Command { std: "docker" "start" "-a" "03a99be752c7254505ed935ee5d67e982af3135009a1a4a426baac0317cf7f7a", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.13.0/src/future.rs:469:27 [INFO] [stdout] | [INFO] [stdout] 469 | 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] 469 | let t1 = res1.map_err::(|_| unreachable!()).unwrap(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [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" "03a99be752c7254505ed935ee5d67e982af3135009a1a4a426baac0317cf7f7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03a99be752c7254505ed935ee5d67e982af3135009a1a4a426baac0317cf7f7a", kill_on_drop: false }` [INFO] [stdout] 03a99be752c7254505ed935ee5d67e982af3135009a1a4a426baac0317cf7f7a