[INFO] fetching crate acteur 0.12.2... [INFO] checking acteur-0.12.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate acteur 0.12.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate acteur 0.12.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate acteur 0.12.2 [INFO] finished tweaking crates.io crate acteur 0.12.2 [INFO] tweaked toml for crates.io crate acteur 0.12.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate acteur 0.12.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded proc-macro-nested v0.1.6 [INFO] [stderr] Downloaded num_cpus v1.13.0 [INFO] [stderr] Downloaded getrandom v0.1.15 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded hermit-abi v0.1.17 [INFO] [stderr] Downloaded futures-util v0.3.8 [INFO] [stderr] Downloaded futures-core v0.3.8 [INFO] [stderr] Downloaded libc v0.2.80 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded async-executor v1.4.0 [INFO] [stderr] Downloaded async-std v1.7.0 [INFO] [stderr] Downloaded syn v1.0.52 [INFO] [stderr] Downloaded web-sys v0.3.45 [INFO] [stderr] Downloaded async-global-executor v1.4.3 [INFO] [stderr] Downloaded nb-connect v1.0.2 [INFO] [stderr] Downloaded cc v1.0.65 [INFO] [stderr] Downloaded wepoll-sys v3.0.1 [INFO] [stderr] Downloaded polling v2.0.2 [INFO] [stderr] Downloaded vec-arena v1.0.0 [INFO] [stderr] Downloaded async-io v1.3.0 [INFO] [stderr] Downloaded async-mutex v1.4.0 [INFO] [stderr] Downloaded cache-padded v1.1.1 [INFO] [stderr] Downloaded concurrent-queue v1.2.2 [INFO] [stderr] Downloaded event-listener v2.5.1 [INFO] [stderr] Downloaded async-channel v1.5.1 [INFO] [stderr] Downloaded async-task v4.0.3 [INFO] [stderr] Downloaded atomic-waker v1.0.0 [INFO] [stderr] Downloaded blocking v1.0.2 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded instant v0.1.9 [INFO] [stderr] Downloaded fastrand v1.4.0 [INFO] [stderr] Downloaded parking v2.0.0 [INFO] [stderr] Downloaded waker-fn v1.1.0 [INFO] [stderr] Downloaded futures-lite v1.11.2 [INFO] [stderr] Downloaded gloo-timers v0.2.1 [INFO] [stderr] Downloaded kv-log-macro v1.0.7 [INFO] [stderr] Downloaded pin-project-lite v0.1.11 [INFO] [stderr] Downloaded js-sys v0.3.45 [INFO] [stderr] Downloaded bumpalo v3.4.0 [INFO] [stderr] Downloaded log v0.4.11 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen v0.2.68 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.18 [INFO] [stderr] Downloaded async-trait v0.1.42 [INFO] [stderr] Downloaded getrandom v0.2.0 [INFO] [stderr] Downloaded tiny-keccak v2.0.2 [INFO] [stderr] Downloaded const-random-macro v0.1.12 [INFO] [stderr] Downloaded const-random v0.1.12 [INFO] [stderr] Downloaded ahash v0.3.8 [INFO] [stderr] Downloaded dashmap v3.11.10 [INFO] [stderr] Downloaded futures-executor v0.3.8 [INFO] [stderr] Downloaded futures v0.3.8 [INFO] [stderr] Downloaded futures-channel v0.3.8 [INFO] [stderr] Downloaded futures-io v0.3.8 [INFO] [stderr] Downloaded futures-macro v0.3.8 [INFO] [stderr] Downloaded futures-sink v0.3.8 [INFO] [stderr] Downloaded once_cell v1.5.2 [INFO] [stderr] Downloaded futures-task v0.3.8 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded pin-project v1.0.2 [INFO] [stderr] Downloaded proc-macro-hack v0.5.19 [INFO] [stderr] Downloaded pin-project-internal v1.0.2 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c9a39ec92bb0d791a894aee780c1f1eed983b18b7e6edad7700e2491bddeed6 [INFO] running `Command { std: "docker" "start" "-a" "5c9a39ec92bb0d791a894aee780c1f1eed983b18b7e6edad7700e2491bddeed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c9a39ec92bb0d791a894aee780c1f1eed983b18b7e6edad7700e2491bddeed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c9a39ec92bb0d791a894aee780c1f1eed983b18b7e6edad7700e2491bddeed6", kill_on_drop: false }` [INFO] [stdout] 5c9a39ec92bb0d791a894aee780c1f1eed983b18b7e6edad7700e2491bddeed6 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c14a247eb2204118a88c8ba2c7f9aae63b35a9093e1ef42ae2856f81b8341a5 [INFO] running `Command { std: "docker" "start" "-a" "3c14a247eb2204118a88c8ba2c7f9aae63b35a9093e1ef42ae2856f81b8341a5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling const-random-macro v0.1.12 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-io v1.3.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking const-random v0.1.12 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking async-std v1.7.0 [INFO] [stderr] Checking dashmap v3.11.10 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking acteur v0.12.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/utils.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/utils.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used [INFO] [stdout] --> src/actors/manager.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 22 | fn is_empty(&self) -> bool; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 23 | fn remove_actor(&self, actor_id: Box); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used [INFO] [stdout] --> src/actors/manager.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 43 | impl ActorsManager { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 133 | pub(crate) fn remove_actor(&self, actor_id: A::Id) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used [INFO] [stdout] --> src/services/manager.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 20 | fn end(&self); [INFO] [stdout] 21 | fn get_type_id(&self) -> TypeId; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 22 | async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>; [INFO] [stdout] 23 | fn get_statistics(&self) -> ServiceReport; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | fn clone(&self) -> Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ServiceReport` is never constructed [INFO] [stdout] --> src/services/manager.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct ServiceReport { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used [INFO] [stdout] --> src/actors/manager.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 22 | fn is_empty(&self) -> bool; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 23 | fn remove_actor(&self, actor_id: Box); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used [INFO] [stdout] --> src/actors/manager.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 43 | impl ActorsManager { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 133 | pub(crate) fn remove_actor(&self, actor_id: A::Id) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used [INFO] [stdout] --> src/services/manager.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 20 | fn end(&self); [INFO] [stdout] 21 | fn get_type_id(&self) -> TypeId; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 22 | async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>; [INFO] [stdout] 23 | fn get_statistics(&self) -> ServiceReport; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | fn clone(&self) -> Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ServiceReport` is never constructed [INFO] [stdout] --> src/services/manager.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct ServiceReport { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tax_rate` is never read [INFO] [stdout] --> examples/publish_subscribe.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct EmployeeTaxesCalculator { [INFO] [stdout] | ----------------------- field in this struct [INFO] [stdout] 5 | tax_rate: f32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EmployeeTaxesCalculator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/publish_subscribe.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | struct EmployeeSalaryChange(f32); [INFO] [stdout] | -------------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `EmployeeSalaryChange` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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] 25 | struct EmployeeSalaryChange(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `values` is never read [INFO] [stdout] --> examples/count_with_generic_type.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct TestActor { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 38 | id: T, [INFO] [stdout] 39 | values: HashMap, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestActor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 7.04s [INFO] running `Command { std: "docker" "inspect" "3c14a247eb2204118a88c8ba2c7f9aae63b35a9093e1ef42ae2856f81b8341a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c14a247eb2204118a88c8ba2c7f9aae63b35a9093e1ef42ae2856f81b8341a5", kill_on_drop: false }` [INFO] [stdout] 3c14a247eb2204118a88c8ba2c7f9aae63b35a9093e1ef42ae2856f81b8341a5 [INFO] checking acteur-0.12.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate acteur 0.12.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate acteur 0.12.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate acteur 0.12.2 [INFO] finished tweaking crates.io crate acteur 0.12.2 [INFO] tweaked toml for crates.io crate acteur 0.12.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate acteur 0.12.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1883fd8241822d3432c17d5795d0c77ae92debeee375be1c0d0a0d35a7ff6eb6 [INFO] running `Command { std: "docker" "start" "-a" "1883fd8241822d3432c17d5795d0c77ae92debeee375be1c0d0a0d35a7ff6eb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1883fd8241822d3432c17d5795d0c77ae92debeee375be1c0d0a0d35a7ff6eb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1883fd8241822d3432c17d5795d0c77ae92debeee375be1c0d0a0d35a7ff6eb6", kill_on_drop: false }` [INFO] [stdout] 1883fd8241822d3432c17d5795d0c77ae92debeee375be1c0d0a0d35a7ff6eb6 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3269e644b160d98087dcc36c10e66dcacb52799a20d058eccb3dd638ed546988 [INFO] running `Command { std: "docker" "start" "-a" "3269e644b160d98087dcc36c10e66dcacb52799a20d058eccb3dd638ed546988", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.11.2/src/future.rs:469:27 [INFO] [stdout] | [INFO] [stdout] 469 | let t1 = res1.map_err(|_| unreachable!()).unwrap(); [INFO] [stdout] | ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 469 | let t1 = res1.map_err::(|_| unreachable!()).unwrap(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling const-random-macro v0.1.12 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-lite` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3269e644b160d98087dcc36c10e66dcacb52799a20d058eccb3dd638ed546988", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3269e644b160d98087dcc36c10e66dcacb52799a20d058eccb3dd638ed546988", kill_on_drop: false }` [INFO] [stdout] 3269e644b160d98087dcc36c10e66dcacb52799a20d058eccb3dd638ed546988