[INFO] fetching crate dobot 0.1.1... [INFO] checking dobot-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate dobot 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate dobot 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate dobot 0.1.1 [INFO] finished tweaking crates.io crate dobot 0.1.1 [INFO] tweaked toml for crates.io crate dobot 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded getset v0.0.9 [INFO] [stderr] Downloaded mio-serial v3.3.1 [INFO] [stderr] Downloaded serialport v3.3.0 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded mach v0.2.3 [INFO] [stderr] Downloaded tokio-serial v4.3.3 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0eecce4a616445d3a44e7189bb8db52a12fc1d6d079a5d02215ec88e93d960fb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0eecce4a616445d3a44e7189bb8db52a12fc1d6d079a5d02215ec88e93d960fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0eecce4a616445d3a44e7189bb8db52a12fc1d6d079a5d02215ec88e93d960fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eecce4a616445d3a44e7189bb8db52a12fc1d6d079a5d02215ec88e93d960fb", kill_on_drop: false }` [INFO] [stdout] 0eecce4a616445d3a44e7189bb8db52a12fc1d6d079a5d02215ec88e93d960fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d09725844c8b2467783e28fdeeaf8d3a257054ac1804285ab7b83fef2ee16dd4 [INFO] running `Command { std: "docker" "start" "-a" "d09725844c8b2467783e28fdeeaf8d3a257054ac1804285ab7b83fef2ee16dd4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking rustc-demangle v0.1.17 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.51 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking mio-serial v3.3.1 [INFO] [stderr] Checking tokio-serial v4.3.3 [INFO] [stderr] Checking dobot v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/message.rs:152:29 [INFO] [stdout] | [INFO] [stdout] 152 | let bytes = [prefix.as_slice(), suffix.as_slice()].concat(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/message.rs:127:27 [INFO] [stdout] | [INFO] [stdout] 127 | header_buffer.as_slice(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/message.rs:128:24 [INFO] [stdout] | [INFO] [stdout] 128 | len_buffer.as_slice(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.116 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/message.rs:152:29 [INFO] [stdout] | [INFO] [stdout] 152 | let bytes = [prefix.as_slice(), suffix.as_slice()].concat(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/message.rs:127:27 [INFO] [stdout] | [INFO] [stdout] 127 | header_buffer.as_slice(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/message.rs:128:24 [INFO] [stdout] | [INFO] [stdout] 128 | len_buffer.as_slice(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.94s [INFO] running `Command { std: "docker" "inspect" "d09725844c8b2467783e28fdeeaf8d3a257054ac1804285ab7b83fef2ee16dd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d09725844c8b2467783e28fdeeaf8d3a257054ac1804285ab7b83fef2ee16dd4", kill_on_drop: false }` [INFO] [stdout] d09725844c8b2467783e28fdeeaf8d3a257054ac1804285ab7b83fef2ee16dd4