[INFO] fetching crate dptree 0.3.0... [INFO] checking dptree-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate dptree 0.3.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate dptree 0.3.0 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 dptree 0.3.0 [INFO] finished tweaking crates.io crate dptree 0.3.0 [INFO] tweaked toml for crates.io crate dptree 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate dptree 0.3.0 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] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.40 [INFO] [stderr] Downloaded once_cell v1.12.1 [INFO] [stderr] Downloaded tokio v1.19.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1da083d50d9c5a75ff6fdb0a814f69b540475263974c15240d5ff67d7c474fa3 [INFO] running `Command { std: "docker" "start" "-a" "1da083d50d9c5a75ff6fdb0a814f69b540475263974c15240d5ff67d7c474fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1da083d50d9c5a75ff6fdb0a814f69b540475263974c15240d5ff67d7c474fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1da083d50d9c5a75ff6fdb0a814f69b540475263974c15240d5ff67d7c474fa3", kill_on_drop: false }` [INFO] [stdout] 1da083d50d9c5a75ff6fdb0a814f69b540475263974c15240d5ff67d7c474fa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 54c78a89df4c0f1fc610be4544a06f28141fbae38dc2c274c443ce9ca316193b [INFO] running `Command { std: "docker" "start" "-a" "54c78a89df4c0f1fc610be4544a06f28141fbae38dc2c274c443ce9ca316193b", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking once_cell v1.12.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking dptree v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stdout] warning: the item `ControlFlow` is imported redundantly [INFO] [stdout] --> examples/state_machine.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | ops::ControlFlow, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | use dptree::prelude::*; [INFO] [stdout] | ------------------ the item `ControlFlow` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ControlFlow` is imported redundantly [INFO] [stdout] --> examples/simple_dispatcher.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | ops::ControlFlow, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | use dptree::prelude::*; [INFO] [stdout] | ------------------ the item `ControlFlow` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `description` is imported redundantly [INFO] [stdout] --> src/handler/core.rs:284:15 [INFO] [stdout] | [INFO] [stdout] 284 | deps, description, filter_map, filter_map_with_description, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | use super::*; [INFO] [stdout] | -------- the item `description` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 5.22s [INFO] running `Command { std: "docker" "inspect" "54c78a89df4c0f1fc610be4544a06f28141fbae38dc2c274c443ce9ca316193b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54c78a89df4c0f1fc610be4544a06f28141fbae38dc2c274c443ce9ca316193b", kill_on_drop: false }` [INFO] [stdout] 54c78a89df4c0f1fc610be4544a06f28141fbae38dc2c274c443ce9ca316193b [INFO] checking dptree-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate dptree 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate dptree 0.3.0 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 dptree 0.3.0 [INFO] finished tweaking crates.io crate dptree 0.3.0 [INFO] tweaked toml for crates.io crate dptree 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate dptree 0.3.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6f02d0b5a4ebcda144b328faaf6d216372186aec1cba502f06146e7e7768776e [INFO] running `Command { std: "docker" "start" "-a" "6f02d0b5a4ebcda144b328faaf6d216372186aec1cba502f06146e7e7768776e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f02d0b5a4ebcda144b328faaf6d216372186aec1cba502f06146e7e7768776e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f02d0b5a4ebcda144b328faaf6d216372186aec1cba502f06146e7e7768776e", kill_on_drop: false }` [INFO] [stdout] 6f02d0b5a4ebcda144b328faaf6d216372186aec1cba502f06146e7e7768776e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 57bf5f684279894593872efa5134972c98a287f2e3b8b0b11a4e59be625ed2eb [INFO] running `Command { std: "docker" "start" "-a" "57bf5f684279894593872efa5134972c98a287f2e3b8b0b11a4e59be625ed2eb", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking once_cell v1.12.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking dptree v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stdout] warning: the item `ControlFlow` is imported redundantly [INFO] [stdout] --> examples/state_machine.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | ops::ControlFlow, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | use dptree::prelude::*; [INFO] [stdout] | ------------------ the item `ControlFlow` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ControlFlow` is imported redundantly [INFO] [stdout] --> examples/simple_dispatcher.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | ops::ControlFlow, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | use dptree::prelude::*; [INFO] [stdout] | ------------------ the item `ControlFlow` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `description` is imported redundantly [INFO] [stdout] --> src/handler/core.rs:284:15 [INFO] [stdout] | [INFO] [stdout] 284 | deps, description, filter_map, filter_map_with_description, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | use super::*; [INFO] [stdout] | -------- the item `description` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `std::ops::ControlFlow` [INFO] [stdout] --> src/handler/filter_map.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let result = help_inference(filter_map(|| None::)) [INFO] [stdout] | _____________^^^^^^___- [INFO] [stdout] 123 | | .endpoint(|| async move { unreachable!() }) [INFO] [stdout] 124 | | .dispatch(deps![]) [INFO] [stdout] 125 | | .await; [INFO] [stdout] | |__________________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `Output` is specified [INFO] [stdout] | [INFO] [stdout] 122 | let result: std::ops::ControlFlow = help_inference(filter_map(|| None::)) [INFO] [stdout] | ++++++++++++++++++++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dptree` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "57bf5f684279894593872efa5134972c98a287f2e3b8b0b11a4e59be625ed2eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57bf5f684279894593872efa5134972c98a287f2e3b8b0b11a4e59be625ed2eb", kill_on_drop: false }` [INFO] [stdout] 57bf5f684279894593872efa5134972c98a287f2e3b8b0b11a4e59be625ed2eb