[INFO] cloning repository https://github.com/bparli/rustberrypi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bparli/rustberrypi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbparli%2Frustberrypi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbparli%2Frustberrypi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5ad2d18bc72060f38eb5863fce098f110684ac2 [INFO] checking bparli/rustberrypi against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbparli%2Frustberrypi" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bparli/rustberrypi on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-11/source/.cargo/config [INFO] started tweaking git repo https://github.com/bparli/rustberrypi [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/bparli/rustberrypi [INFO] tweaked toml for git repo https://github.com/bparli/rustberrypi written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/bparli/rustberrypi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ux v0.1.3 [INFO] [stderr] Downloaded x86_64 v0.7.7 [INFO] [stderr] Downloaded linked_list_allocator v0.8.4 [INFO] [stderr] Downloaded tock-registers v0.5.0 [INFO] [stderr] Downloaded managed v0.7.2 [INFO] [stderr] Downloaded register v0.5.1 [INFO] [stderr] Downloaded smoltcp v0.7.0 [INFO] [stderr] Downloaded qemu-exit v0.1.2 [INFO] [stderr] Downloaded cortex-a v3.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ed515f2642ad4279c029acbe82f04236f94999e25e5198bfcae1cf8e5499dbf [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" "3ed515f2642ad4279c029acbe82f04236f94999e25e5198bfcae1cf8e5499dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ed515f2642ad4279c029acbe82f04236f94999e25e5198bfcae1cf8e5499dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ed515f2642ad4279c029acbe82f04236f94999e25e5198bfcae1cf8e5499dbf", kill_on_drop: false }` [INFO] [stdout] 3ed515f2642ad4279c029acbe82f04236f94999e25e5198bfcae1cf8e5499dbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6be5bbe37fa5541ec518068358fc0e5dd98380c6c3767ec2879a3305563dbbd [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" "e6be5bbe37fa5541ec518068358fc0e5dd98380c6c3767ec2879a3305563dbbd", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Checking ux v0.1.3 [INFO] [stderr] Checking tock-registers v0.5.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking managed v0.7.2 [INFO] [stderr] Compiling kernel v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking test-types v0.1.0 (/opt/rustwide/workdir/test-types) [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking array-init v0.0.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking register v0.5.1 [INFO] [stderr] Checking cortex-a v3.0.5 [INFO] [stderr] Checking smoltcp v0.7.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking spinning_top v0.1.1 [INFO] [stderr] Checking linked_list_allocator v0.8.4 [INFO] [stdout] error[E0658]: mutable references are not allowed in constant functions [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.8.4/src/hole.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | next: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57349 for more information [INFO] [stdout] = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `linked_list_allocator` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e6be5bbe37fa5541ec518068358fc0e5dd98380c6c3767ec2879a3305563dbbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6be5bbe37fa5541ec518068358fc0e5dd98380c6c3767ec2879a3305563dbbd", kill_on_drop: false }` [INFO] [stdout] e6be5bbe37fa5541ec518068358fc0e5dd98380c6c3767ec2879a3305563dbbd