[INFO] cloning repository https://github.com/muhamadazmy/rbus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muhamadazmy/rbus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhamadazmy%2Frbus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhamadazmy%2Frbus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f877386ced098b7a140c58dcadc7f19f6421a041
[INFO] checking muhamadazmy/rbus against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhamadazmy%2Frbus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muhamadazmy/rbus 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 git repo https://github.com/muhamadazmy/rbus
[INFO] finished tweaking git repo https://github.com/muhamadazmy/rbus
[INFO] tweaked toml for git repo https://github.com/muhamadazmy/rbus written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/muhamadazmy/rbus 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]     Updating git repository `https://github.com/threefoldtech/tokio-worker-pool`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded tokio-macros v1.5.0
[INFO] [stderr]   Downloaded simple_logger v2.2.0
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded bb8-redis v0.11.0
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded bb8 v0.8.0
[INFO] [stderr]   Downloaded tokio-util v0.6.8
[INFO] [stderr]   Downloaded tinyvec v1.5.0
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] [stderr]   Downloaded tokio v1.12.0
[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] [stderr]   Downloaded redis v0.21.3
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f25ade83232dec9e5c19f2624eff1f5e8f97624df5508c2d72b67b426eb58c1d
[INFO] running `Command { std: "docker" "start" "-a" "f25ade83232dec9e5c19f2624eff1f5e8f97624df5508c2d72b67b426eb58c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f25ade83232dec9e5c19f2624eff1f5e8f97624df5508c2d72b67b426eb58c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25ade83232dec9e5c19f2624eff1f5e8f97624df5508c2d72b67b426eb58c1d", kill_on_drop: false }`
[INFO] [stdout] f25ade83232dec9e5c19f2624eff1f5e8f97624df5508c2d72b67b426eb58c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 88834ee2e93640190c2605abed40191acb00f766ef954239effeccb87eaffe5b
[INFO] running `Command { std: "docker" "start" "-a" "88834ee2e93640190c2605abed40191acb00f766ef954239effeccb87eaffe5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]     Checking simple_logger v2.2.0
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/rbus_macros)
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking bb8 v0.8.0
[INFO] [stderr]     Checking workers v0.1.0 (https://github.com/threefoldtech/tokio-worker-pool?branch=main#6de64004)
[INFO] [stderr]     Checking combine v4.6.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking redis v0.21.3
[INFO] [stderr]     Checking bb8-redis v0.11.0
[INFO] [stderr]     Checking rbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.21.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "88834ee2e93640190c2605abed40191acb00f766ef954239effeccb87eaffe5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88834ee2e93640190c2605abed40191acb00f766ef954239effeccb87eaffe5b", kill_on_drop: false }`
[INFO] [stdout] 88834ee2e93640190c2605abed40191acb00f766ef954239effeccb87eaffe5b