[INFO] fetching crate dobot 0.1.1... [INFO] checking dobot-0.1.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate dobot 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate dobot 0.1.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21e8741d7c10aea8c8a7ca7c92f182ca516f386a7ef4f747a13d8926d376103b [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" "21e8741d7c10aea8c8a7ca7c92f182ca516f386a7ef4f747a13d8926d376103b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21e8741d7c10aea8c8a7ca7c92f182ca516f386a7ef4f747a13d8926d376103b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21e8741d7c10aea8c8a7ca7c92f182ca516f386a7ef4f747a13d8926d376103b", kill_on_drop: false }` [INFO] [stdout] 21e8741d7c10aea8c8a7ca7c92f182ca516f386a7ef4f747a13d8926d376103b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a93f01dc644a8433e305289e55e9c5643476ea62c9bc654a25ca234b62fef746 [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" "a93f01dc644a8433e305289e55e9c5643476ea62c9bc654a25ca234b62fef746", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking tokio v0.2.24 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking mio-serial v3.3.1 [INFO] [stderr] Checking failure v0.1.8 [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 `std::array::FixedSizeArray::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 `std::array::FixedSizeArray::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 `std::array::FixedSizeArray::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 toml v0.5.8 [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 `std::array::FixedSizeArray::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 `std::array::FixedSizeArray::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 `std::array::FixedSizeArray::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 38.20s [INFO] running `Command { std: "docker" "inspect" "a93f01dc644a8433e305289e55e9c5643476ea62c9bc654a25ca234b62fef746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a93f01dc644a8433e305289e55e9c5643476ea62c9bc654a25ca234b62fef746", kill_on_drop: false }` [INFO] [stdout] a93f01dc644a8433e305289e55e9c5643476ea62c9bc654a25ca234b62fef746