[INFO] fetching crate dobot 0.1.1... [INFO] checking dobot-0.1.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] extracting crate dobot 0.1.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate dobot 0.1.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76ba739b2ac3e06f19c49c6d6462597813b6ced500739010ecf2f7fb564b695f [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" "76ba739b2ac3e06f19c49c6d6462597813b6ced500739010ecf2f7fb564b695f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76ba739b2ac3e06f19c49c6d6462597813b6ced500739010ecf2f7fb564b695f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76ba739b2ac3e06f19c49c6d6462597813b6ced500739010ecf2f7fb564b695f", kill_on_drop: false }` [INFO] [stdout] 76ba739b2ac3e06f19c49c6d6462597813b6ced500739010ecf2f7fb564b695f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f6aa1ca9d113b42d1d83d72bf9da0a6bd54b4f07b136b44d4e0a5876c40e9c5 [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" "0f6aa1ca9d113b42d1d83d72bf9da0a6bd54b4f07b136b44d4e0a5876c40e9c5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking nix v0.17.0 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.57 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking mio-serial v3.3.1 [INFO] [stderr] Checking tokio-serial v4.3.3 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking dobot v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function 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 associated item 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: an associated function 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 associated item 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: an associated function 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 associated item 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 serde v1.0.125 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stdout] warning: an associated function 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 associated item 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: an associated function 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 associated item 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: an associated function 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 associated item 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 37.88s [INFO] running `Command { std: "docker" "inspect" "0f6aa1ca9d113b42d1d83d72bf9da0a6bd54b4f07b136b44d4e0a5876c40e9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6aa1ca9d113b42d1d83d72bf9da0a6bd54b4f07b136b44d4e0a5876c40e9c5", kill_on_drop: false }` [INFO] [stdout] 0f6aa1ca9d113b42d1d83d72bf9da0a6bd54b4f07b136b44d4e0a5876c40e9c5