[INFO] fetching crate dobot 0.1.1... [INFO] testing dobot-0.1.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate dobot 0.1.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate dobot 0.1.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6194b42eb5be334889e034b11fd92f78f32a198dd35188dc3c997a8dc0fa86d2 [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" "6194b42eb5be334889e034b11fd92f78f32a198dd35188dc3c997a8dc0fa86d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6194b42eb5be334889e034b11fd92f78f32a198dd35188dc3c997a8dc0fa86d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6194b42eb5be334889e034b11fd92f78f32a198dd35188dc3c997a8dc0fa86d2", kill_on_drop: false }` [INFO] [stdout] 6194b42eb5be334889e034b11fd92f78f32a198dd35188dc3c997a8dc0fa86d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14b015cc0a938c88b4216546e79a6f444a95ab6a92c94a9e9550d1f37c105aea [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" "14b015cc0a938c88b4216546e79a6f444a95ab6a92c94a9e9550d1f37c105aea", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.24.0 [INFO] [stderr] Compiling rustc-demangle v0.1.19 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling object v0.25.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling addr2line v0.15.2 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serialport v3.3.0 [INFO] [stderr] Compiling getset v0.0.9 [INFO] [stderr] Compiling mio-serial v3.3.1 [INFO] [stderr] Compiling tokio-serial v4.3.3 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling dobot v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::array::FixedSizeArray` [INFO] [stdout] --> src/message.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{array::FixedSizeArray, convert::TryInto, io::prelude::*, marker::Unpin}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ no `FixedSizeArray` in `array` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'array_methods' [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: see issue #76118 for more information [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'array_methods' [INFO] [stdout] --> src/message.rs:127:27 [INFO] [stdout] | [INFO] [stdout] 127 | header_buffer.as_slice(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76118 for more information [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'array_methods' [INFO] [stdout] --> src/message.rs:128:24 [INFO] [stdout] | [INFO] [stdout] 128 | len_buffer.as_slice(), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76118 for more information [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dobot` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "14b015cc0a938c88b4216546e79a6f444a95ab6a92c94a9e9550d1f37c105aea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14b015cc0a938c88b4216546e79a6f444a95ab6a92c94a9e9550d1f37c105aea", kill_on_drop: false }` [INFO] [stdout] 14b015cc0a938c88b4216546e79a6f444a95ab6a92c94a9e9550d1f37c105aea