[INFO] fetching crate eddie_crate 0.1.0... [INFO] checking eddie_crate-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate eddie_crate 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate eddie_crate 0.1.0 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 eddie_crate 0.1.0 [INFO] finished tweaking crates.io crate eddie_crate 0.1.0 [INFO] tweaked toml for crates.io crate eddie_crate 0.1.0 written to /workspace/builds/worker-6-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 55 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d1166e53e26fcefde20f03f1608f7e02a2e0d5cca632c992b2413e9d6a5e622f [INFO] running `Command { std: "docker" "start" "-a" "d1166e53e26fcefde20f03f1608f7e02a2e0d5cca632c992b2413e9d6a5e622f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1166e53e26fcefde20f03f1608f7e02a2e0d5cca632c992b2413e9d6a5e622f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1166e53e26fcefde20f03f1608f7e02a2e0d5cca632c992b2413e9d6a5e622f", kill_on_drop: false }` [INFO] [stdout] d1166e53e26fcefde20f03f1608f7e02a2e0d5cca632c992b2413e9d6a5e622f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5aba3597c0beeed318568d349728190246ddc8e1df41276e841668ef7e63e8ae [INFO] running `Command { std: "docker" "start" "-a" "5aba3597c0beeed318568d349728190246ddc8e1df41276e841668ef7e63e8ae", kill_on_drop: false }` [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking eddie_crate v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio; [INFO] [stdout] | ^^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio; [INFO] [stdout] | ^^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | handle.await; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = handle.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | handle.await; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = handle.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.66s [INFO] running `Command { std: "docker" "inspect" "5aba3597c0beeed318568d349728190246ddc8e1df41276e841668ef7e63e8ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aba3597c0beeed318568d349728190246ddc8e1df41276e841668ef7e63e8ae", kill_on_drop: false }` [INFO] [stdout] 5aba3597c0beeed318568d349728190246ddc8e1df41276e841668ef7e63e8ae [INFO] checking eddie_crate-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate eddie_crate 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate eddie_crate 0.1.0 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 eddie_crate 0.1.0 [INFO] finished tweaking crates.io crate eddie_crate 0.1.0 [INFO] tweaked toml for crates.io crate eddie_crate 0.1.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 55 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9c0dc6d99c15d58a716dfa4a2470cc5e750dca1244575b2c11958191c6744382 [INFO] running `Command { std: "docker" "start" "-a" "9c0dc6d99c15d58a716dfa4a2470cc5e750dca1244575b2c11958191c6744382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c0dc6d99c15d58a716dfa4a2470cc5e750dca1244575b2c11958191c6744382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c0dc6d99c15d58a716dfa4a2470cc5e750dca1244575b2c11958191c6744382", kill_on_drop: false }` [INFO] [stdout] 9c0dc6d99c15d58a716dfa4a2470cc5e750dca1244575b2c11958191c6744382 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 459b9617a4a4b599a9cde548de2182b5dd5be53e319e8c27f66e2c7971f162c8 [INFO] running `Command { std: "docker" "start" "-a" "459b9617a4a4b599a9cde548de2182b5dd5be53e319e8c27f66e2c7971f162c8", kill_on_drop: false }` [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking eddie_crate v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio; [INFO] [stdout] | ^^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio; [INFO] [stdout] | ^^^^^ the item `tokio` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | handle.await; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = handle.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | handle.await; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = handle.await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `Command { std: "docker" "inspect" "459b9617a4a4b599a9cde548de2182b5dd5be53e319e8c27f66e2c7971f162c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "459b9617a4a4b599a9cde548de2182b5dd5be53e319e8c27f66e2c7971f162c8", kill_on_drop: false }` [INFO] [stdout] 459b9617a4a4b599a9cde548de2182b5dd5be53e319e8c27f66e2c7971f162c8