[INFO] fetching crate state_machine_future 0.2.0... [INFO] checking state_machine_future-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate state_machine_future 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate state_machine_future 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate state_machine_future 0.2.0 [INFO] finished tweaking crates.io crate state_machine_future 0.2.0 [INFO] tweaked toml for crates.io crate state_machine_future 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 17 packages to latest compatible versions [INFO] [stderr] Adding darling v0.8.6 (available: v0.20.10) [INFO] [stderr] Adding darling_core v0.8.6 (available: v0.20.10) [INFO] [stderr] Adding darling_macro v0.8.6 (available: v0.20.10) [INFO] [stderr] Adding fixedbitset v0.1.9 (available: v0.5.7) [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.30) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding ordermap v0.3.5 (available: v0.5.3) [INFO] [stderr] Adding petgraph v0.4.13 (available: v0.6.5) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 964ad102d2660476b737ab3a7fecdc2858e87bd972d223cbff8ee0ba006e03d5 [INFO] running `Command { std: "docker" "start" "-a" "964ad102d2660476b737ab3a7fecdc2858e87bd972d223cbff8ee0ba006e03d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "964ad102d2660476b737ab3a7fecdc2858e87bd972d223cbff8ee0ba006e03d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "964ad102d2660476b737ab3a7fecdc2858e87bd972d223cbff8ee0ba006e03d5", kill_on_drop: false }` [INFO] [stdout] 964ad102d2660476b737ab3a7fecdc2858e87bd972d223cbff8ee0ba006e03d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 533e94b69e2a61b15c2ae1abb4d7df0fce198fe473d8b6cfc47dbc0d9c8fbbde [INFO] running `Command { std: "docker" "start" "-a" "533e94b69e2a61b15c2ae1abb4d7df0fce198fe473d8b6cfc47dbc0d9c8fbbde", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Checking rent_to_own v0.1.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling darling_core v0.8.6 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling derive_state_machine_future v0.2.0 [INFO] [stderr] Checking state_machine_future v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> tests/start.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/call_to_context.rs:19:33 [INFO] [stdout] | [INFO] [stdout] 19 | pub lazy_future: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 | pub lazy_future: Option>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/private_type_in_description.rs:26:11 [INFO] [stdout] | [INFO] [stdout] 26 | Ready(usize), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 | Ready(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/call_to_context.rs:23:57 [INFO] [stdout] | [INFO] [stdout] 23 | fn load_from_external_source(&mut self) -> &mut Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | fn load_from_external_source(&mut self) -> &mut Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/private_type_in_description.rs:29:11 [INFO] [stdout] | [INFO] [stdout] 29 | Error(usize), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 29 | Error(()), [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/generics.rs:104:16 [INFO] [stdout] | [INFO] [stdout] 104 | let _: Box> = Box::new(Fsm::start( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 | let _: Box> = Box::new(Fsm::start( [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s [INFO] running `Command { std: "docker" "inspect" "533e94b69e2a61b15c2ae1abb4d7df0fce198fe473d8b6cfc47dbc0d9c8fbbde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "533e94b69e2a61b15c2ae1abb4d7df0fce198fe473d8b6cfc47dbc0d9c8fbbde", kill_on_drop: false }` [INFO] [stdout] 533e94b69e2a61b15c2ae1abb4d7df0fce198fe473d8b6cfc47dbc0d9c8fbbde