[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