[INFO] fetching crate generic-session-types 0.1.1... [INFO] checking generic-session-types-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate generic-session-types 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate generic-session-types 0.1.1 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 generic-session-types 0.1.1 [INFO] finished tweaking crates.io crate generic-session-types 0.1.1 [INFO] tweaked toml for crates.io crate generic-session-types 0.1.1 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 59 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] 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] 23a9e1501cf01a617f3d86387c261f024e465128c50a6f01f5ba9c0b80259112 [INFO] running `Command { std: "docker" "start" "-a" "23a9e1501cf01a617f3d86387c261f024e465128c50a6f01f5ba9c0b80259112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23a9e1501cf01a617f3d86387c261f024e465128c50a6f01f5ba9c0b80259112", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23a9e1501cf01a617f3d86387c261f024e465128c50a6f01f5ba9c0b80259112", kill_on_drop: false }` [INFO] [stdout] 23a9e1501cf01a617f3d86387c261f024e465128c50a6f01f5ba9c0b80259112 [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] cd219797f31e95dd84e60be616388054771c03429983f6fa7a8610b236060f04 [INFO] running `Command { std: "docker" "start" "-a" "cd219797f31e95dd84e60be616388054771c03429983f6fa7a8610b236060f04", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking generic-session-types v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> tests/test_def_offer_macro.rs:2:49 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(impl_trait_in_assoc_type)]#![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> tests/test.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `P1`, `P2`, and `P3` are never constructed [INFO] [stdout] --> tests/custom_choice.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Proto1 { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 9 | P1(Send), // 1 [INFO] [stdout] | ^^ [INFO] [stdout] 10 | P2(Recv), // 2 [INFO] [stdout] | ^^ [INFO] [stdout] 11 | P3(Close), // 3 [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1`, `p2`, and `p3` are never read [INFO] [stdout] --> tests/custom_choice.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Proto1Dual { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 16 | p1: as HasDual>::Dual, [INFO] [stdout] | ^^ [INFO] [stdout] 17 | p2: as HasDual>::Dual, [INFO] [stdout] | ^^ [INFO] [stdout] 18 | p3: ::Dual, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `p1` is never used [INFO] [stdout] --> tests/custom_choice.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn p1(chan: Chan) -> Result, E, C>, Error> [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `p1` is never used [INFO] [stdout] --> tests/custom_choice.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 36 | trait Proto1ChanExt { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 41 | fn p1(self) -> Self::P1Future; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `server` is never used [INFO] [stdout] --> tests/custom_choice.rs:98:10 [INFO] [stdout] | [INFO] [stdout] 98 | async fn server(c: Chan + 'static>) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s [INFO] running `Command { std: "docker" "inspect" "cd219797f31e95dd84e60be616388054771c03429983f6fa7a8610b236060f04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd219797f31e95dd84e60be616388054771c03429983f6fa7a8610b236060f04", kill_on_drop: false }` [INFO] [stdout] cd219797f31e95dd84e60be616388054771c03429983f6fa7a8610b236060f04 [INFO] checking generic-session-types-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate generic-session-types 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate generic-session-types 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate generic-session-types 0.1.1 [INFO] finished tweaking crates.io crate generic-session-types 0.1.1 [INFO] tweaked toml for crates.io crate generic-session-types 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 59 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78c01398141e24ba4b13174ead743d8becaf2ebea045e802a817c90f6586739f [INFO] running `Command { std: "docker" "start" "-a" "78c01398141e24ba4b13174ead743d8becaf2ebea045e802a817c90f6586739f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78c01398141e24ba4b13174ead743d8becaf2ebea045e802a817c90f6586739f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78c01398141e24ba4b13174ead743d8becaf2ebea045e802a817c90f6586739f", kill_on_drop: false }` [INFO] [stdout] 78c01398141e24ba4b13174ead743d8becaf2ebea045e802a817c90f6586739f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cbca9cd60517b48d135e0e8fa5db41c8e3e04993e4673c7e997edc3c2b13623 [INFO] running `Command { std: "docker" "start" "-a" "6cbca9cd60517b48d135e0e8fa5db41c8e3e04993e4673c7e997edc3c2b13623", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking generic-session-types v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> tests/test_def_offer_macro.rs:2:49 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(impl_trait_in_assoc_type)]#![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> tests/test.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `P1`, `P2`, and `P3` are never constructed [INFO] [stdout] --> tests/custom_choice.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum Proto1 { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 9 | P1(Send), // 1 [INFO] [stdout] | ^^ [INFO] [stdout] 10 | P2(Recv), // 2 [INFO] [stdout] | ^^ [INFO] [stdout] 11 | P3(Close), // 3 [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1`, `p2`, and `p3` are never read [INFO] [stdout] --> tests/custom_choice.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Proto1Dual { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 16 | p1: as HasDual>::Dual, [INFO] [stdout] | ^^ [INFO] [stdout] 17 | p2: as HasDual>::Dual, [INFO] [stdout] | ^^ [INFO] [stdout] 18 | p3: ::Dual, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `p1` is never used [INFO] [stdout] --> tests/custom_choice.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn p1(chan: Chan) -> Result, E, C>, Error> [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `p1` is never used [INFO] [stdout] --> tests/custom_choice.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 36 | trait Proto1ChanExt { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 41 | fn p1(self) -> Self::P1Future; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `server` is never used [INFO] [stdout] --> tests/custom_choice.rs:98:10 [INFO] [stdout] | [INFO] [stdout] 98 | async fn server(c: Chan + 'static>) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s [INFO] running `Command { std: "docker" "inspect" "6cbca9cd60517b48d135e0e8fa5db41c8e3e04993e4673c7e997edc3c2b13623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cbca9cd60517b48d135e0e8fa5db41c8e3e04993e4673c7e997edc3c2b13623", kill_on_drop: false }` [INFO] [stdout] 6cbca9cd60517b48d135e0e8fa5db41c8e3e04993e4673c7e997edc3c2b13623