[INFO] fetching crate ralf 0.1.1... [INFO] checking ralf-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ralf 0.1.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ralf 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 ralf 0.1.1 [INFO] finished tweaking crates.io crate ralf 0.1.1 [INFO] tweaked toml for crates.io crate ralf 0.1.1 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 17 packages [INFO] [stderr] Adding flat_map v0.0.4 (latest: v0.0.10) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding protobuf v1.7.5 (latest: v3.4.0) [INFO] [stderr] Adding quick-error v0.2.2 (latest: v2.0.1) [INFO] [stderr] Adding raft v0.1.0 (latest: v0.7.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [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 quick-error v0.2.2 [INFO] [stderr] Downloaded protobuf v1.7.5 [INFO] [stderr] Downloaded raft v0.1.0 [INFO] [stderr] Downloaded flat_map v0.0.4 [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] c01fd68f04eb122d27e5d71795ea192530b68bdf299221751d64153e30ad51f3 [INFO] running `Command { std: "docker" "start" "-a" "c01fd68f04eb122d27e5d71795ea192530b68bdf299221751d64153e30ad51f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c01fd68f04eb122d27e5d71795ea192530b68bdf299221751d64153e30ad51f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c01fd68f04eb122d27e5d71795ea192530b68bdf299221751d64153e30ad51f3", kill_on_drop: false }` [INFO] [stdout] c01fd68f04eb122d27e5d71795ea192530b68bdf299221751d64153e30ad51f3 [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] 1ea4b15fadce182996db3f405488dad3161fa0abe24bd91f07900722acd2f8f4 [INFO] running `Command { std: "docker" "start" "-a" "1ea4b15fadce182996db3f405488dad3161fa0abe24bd91f07900722acd2f8f4", kill_on_drop: false }` [INFO] [stderr] Compiling protobuf v1.7.5 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking quick-error v0.2.2 [INFO] [stderr] Checking flat_map v0.0.4 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking raft v0.1.0 [INFO] [stderr] Checking ralf v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_machine.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | reducers: Vec>>, [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] 15 | reducers: Vec>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_machine.rs:34:49 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn push_reducer(&mut self, reducer: &'a Reducer) -> &mut Self { [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] 34 | pub fn push_reducer(&mut self, reducer: &'a dyn Reducer) -> &mut Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Action` is imported redundantly [INFO] [stdout] --> src/state_machine.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 79 | use super::*; [INFO] [stdout] | -------- the item `Action` is already imported here [INFO] [stdout] 80 | use action::Action; [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] --> src/state_machine.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | reducers: Vec>>, [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] 15 | reducers: Vec>>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/state_machine.rs:34:49 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn push_reducer(&mut self, reducer: &'a Reducer) -> &mut Self { [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] 34 | pub fn push_reducer(&mut self, reducer: &'a dyn Reducer) -> &mut Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.04s [INFO] running `Command { std: "docker" "inspect" "1ea4b15fadce182996db3f405488dad3161fa0abe24bd91f07900722acd2f8f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ea4b15fadce182996db3f405488dad3161fa0abe24bd91f07900722acd2f8f4", kill_on_drop: false }` [INFO] [stdout] 1ea4b15fadce182996db3f405488dad3161fa0abe24bd91f07900722acd2f8f4