[INFO] fetching crate toio 0.1.4...
[INFO] checking toio-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate toio 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate toio 0.1.4 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 toio 0.1.4
[INFO] finished tweaking crates.io crate toio 0.1.4
[INFO] tweaked toml for crates.io crate toio 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate toio 0.1.4 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 hex-literal v0.2.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.16
[INFO] [stderr]   Downloaded derive-new v0.5.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.20
[INFO] [stderr]   Downloaded serde_repr v0.1.5
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded pin-project v0.4.20
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.5
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded async-trait v0.1.35
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded core_bluetooth v0.1.0
[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] e934003ba3e1318a47f3105ed25669a4388f7eadf7608dcacbab9a7665a4a910
[INFO] running `Command { std: "docker" "start" "-a" "e934003ba3e1318a47f3105ed25669a4388f7eadf7608dcacbab9a7665a4a910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e934003ba3e1318a47f3105ed25669a4388f7eadf7608dcacbab9a7665a4a910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e934003ba3e1318a47f3105ed25669a4388f7eadf7608dcacbab9a7665a4a910", kill_on_drop: false }`
[INFO] [stdout] e934003ba3e1318a47f3105ed25669a4388f7eadf7608dcacbab9a7665a4a910
[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] de50562d3b85ac7409b272fa43d2c2c3dd433332bb4f8ca36d09c634442b874b
[INFO] running `Command { std: "docker" "start" "-a" "de50562d3b85ac7409b272fa43d2c2c3dd433332bb4f8ca36d09c634442b874b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.35
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking toio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `uuid` is imported redundantly
[INFO] [stdout]   --> src/proto/mod.rs:7:56
[INFO] [stdout]    |
[INFO] [stdout] 7  |   use crate::{ble::Uuid, decode::decode, encode::encode, uuid};
[INFO] [stdout]    |                                                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ble/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! uuid {
[INFO] [stdout] 13 | |     ($hex:literal) => {
[INFO] [stdout] 14 | |         $crate::ble::Uuid(hex_literal::hex!($hex))
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_- the item `uuid` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `stream` is imported redundantly
[INFO] [stdout]  --> src/cube.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `stream` is already imported here
[INFO] [stdout] 6 |     stream::{self, BoxStream},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `uuid` is imported redundantly
[INFO] [stdout]   --> src/proto/mod.rs:7:56
[INFO] [stdout]    |
[INFO] [stdout] 7  |   use crate::{ble::Uuid, decode::decode, encode::encode, uuid};
[INFO] [stdout]    |                                                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ble/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! uuid {
[INFO] [stdout] 13 | |     ($hex:literal) => {
[INFO] [stdout] 14 | |         $crate::ble::Uuid(hex_literal::hex!($hex))
[INFO] [stdout] 15 | |     };
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_- the item `uuid` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `stream` is imported redundantly
[INFO] [stdout]  --> src/cube.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `stream` is already imported here
[INFO] [stdout] 6 |     stream::{self, BoxStream},
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "de50562d3b85ac7409b272fa43d2c2c3dd433332bb4f8ca36d09c634442b874b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de50562d3b85ac7409b272fa43d2c2c3dd433332bb4f8ca36d09c634442b874b", kill_on_drop: false }`
[INFO] [stdout] de50562d3b85ac7409b272fa43d2c2c3dd433332bb4f8ca36d09c634442b874b