[INFO] fetching crate meio-extra 0.97.0... [INFO] checking meio-extra-0.97.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate meio-extra 0.97.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate meio-extra 0.97.0 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 meio-extra 0.97.0 [INFO] finished tweaking crates.io crate meio-extra 0.97.0 [INFO] tweaked toml for crates.io crate meio-extra 0.97.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 77 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [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 syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio-util v0.6.10 (latest: v0.7.10) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded meio v0.97.0 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5933c7f592ee92931e2cf6306d6fc9790d031944cf8661c2c42dba0bfd458752 [INFO] running `Command { std: "docker" "start" "-a" "5933c7f592ee92931e2cf6306d6fc9790d031944cf8661c2c42dba0bfd458752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5933c7f592ee92931e2cf6306d6fc9790d031944cf8661c2c42dba0bfd458752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5933c7f592ee92931e2cf6306d6fc9790d031944cf8661c2c42dba0bfd458752", kill_on_drop: false }` [INFO] [stdout] 5933c7f592ee92931e2cf6306d6fc9790d031944cf8661c2c42dba0bfd458752 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e824d441382467512b4fdb7643826b3e0787c382e67a4ab9a1af10baffe9d52f [INFO] running `Command { std: "docker" "start" "-a" "e824d441382467512b4fdb7643826b3e0787c382e67a4ab9a1af10baffe9d52f", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking meio v0.97.0 [INFO] [stderr] Checking meio-extra v0.97.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `CustomActionHandlerImpl` is never constructed [INFO] [stdout] --> src/custom_action.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct CustomActionHandlerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomActionHandlerImpl` is never constructed [INFO] [stdout] --> src/custom_action.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct CustomActionHandlerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 9.19s [INFO] running `Command { std: "docker" "inspect" "e824d441382467512b4fdb7643826b3e0787c382e67a4ab9a1af10baffe9d52f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e824d441382467512b4fdb7643826b3e0787c382e67a4ab9a1af10baffe9d52f", kill_on_drop: false }` [INFO] [stdout] e824d441382467512b4fdb7643826b3e0787c382e67a4ab9a1af10baffe9d52f [INFO] checking meio-extra-0.97.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate meio-extra 0.97.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate meio-extra 0.97.0 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 meio-extra 0.97.0 [INFO] finished tweaking crates.io crate meio-extra 0.97.0 [INFO] tweaked toml for crates.io crate meio-extra 0.97.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 77 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding convert_case v0.4.0 (latest: v0.6.0) [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 syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio-util v0.6.10 (latest: v0.7.10) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de04f14cd3ece85f511d64bd0864bb2437a5532ce25fca45787353f1fd894fed [INFO] running `Command { std: "docker" "start" "-a" "de04f14cd3ece85f511d64bd0864bb2437a5532ce25fca45787353f1fd894fed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de04f14cd3ece85f511d64bd0864bb2437a5532ce25fca45787353f1fd894fed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de04f14cd3ece85f511d64bd0864bb2437a5532ce25fca45787353f1fd894fed", kill_on_drop: false }` [INFO] [stdout] de04f14cd3ece85f511d64bd0864bb2437a5532ce25fca45787353f1fd894fed [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d5157744ec8ed9fbbc8949ddd68672b075df79954e932732e16d2386a7dc640 [INFO] running `Command { std: "docker" "start" "-a" "5d5157744ec8ed9fbbc8949ddd68672b075df79954e932732e16d2386a7dc640", kill_on_drop: false }` [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking meio v0.97.0 [INFO] [stderr] Checking meio-extra v0.97.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `CustomActionHandlerImpl` is never constructed [INFO] [stdout] --> src/custom_action.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct CustomActionHandlerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomActionHandlerImpl` is never constructed [INFO] [stdout] --> src/custom_action.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct CustomActionHandlerImpl { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 8.66s [INFO] running `Command { std: "docker" "inspect" "5d5157744ec8ed9fbbc8949ddd68672b075df79954e932732e16d2386a7dc640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d5157744ec8ed9fbbc8949ddd68672b075df79954e932732e16d2386a7dc640", kill_on_drop: false }` [INFO] [stdout] 5d5157744ec8ed9fbbc8949ddd68672b075df79954e932732e16d2386a7dc640