[INFO] fetching crate redyq 0.1.1...
[INFO] checking redyq-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate redyq 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate redyq 0.1.1 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 redyq 0.1.1
[INFO] finished tweaking crates.io crate redyq 0.1.1
[INFO] tweaked toml for crates.io crate redyq 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding redis v0.18.0 (latest: v0.25.2)
[INFO] [stderr]       Adding sha1 v0.6.1 (latest: v0.10.6)
[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 redis v0.18.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca9019e8d5dfda86da6b935d9b6f94a66cf791d9bcedd77fa307352f0782757
[INFO] running `Command { std: "docker" "start" "-a" "7ca9019e8d5dfda86da6b935d9b6f94a66cf791d9bcedd77fa307352f0782757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca9019e8d5dfda86da6b935d9b6f94a66cf791d9bcedd77fa307352f0782757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca9019e8d5dfda86da6b935d9b6f94a66cf791d9bcedd77fa307352f0782757", kill_on_drop: false }`
[INFO] [stdout] 7ca9019e8d5dfda86da6b935d9b6f94a66cf791d9bcedd77fa307352f0782757
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be13af7e66489758f9a671afaf96b665ccd2c28dd5270279c4bb9769414f3480
[INFO] running `Command { std: "docker" "start" "-a" "be13af7e66489758f9a671afaf96b665ccd2c28dd5270279c4bb9769414f3480", kill_on_drop: false }`
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking redis v0.18.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking redyq v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `fail_watcher_handle` and `complete_watcher_handle` are never read
[INFO] [stdout]   --> src/queue.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Queue {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fail_watcher_handle: std::thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     complete_watcher_handle: std::thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fail_watcher_handle` and `complete_watcher_handle` are never read
[INFO] [stdout]   --> src/queue.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Queue {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fail_watcher_handle: std::thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     complete_watcher_handle: std::thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "be13af7e66489758f9a671afaf96b665ccd2c28dd5270279c4bb9769414f3480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be13af7e66489758f9a671afaf96b665ccd2c28dd5270279c4bb9769414f3480", kill_on_drop: false }`
[INFO] [stdout] be13af7e66489758f9a671afaf96b665ccd2c28dd5270279c4bb9769414f3480