[INFO] cloning repository https://github.com/vpukhanov/oreos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vpukhanov/oreos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvpukhanov%2Foreos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvpukhanov%2Foreos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ac419fb5a60838045c1ea071b56ba8ff1ef665c [INFO] checking vpukhanov/oreos against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvpukhanov%2Foreos" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vpukhanov/oreos on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/source/.cargo/config [INFO] removed /workspace/builds/worker-7/source/rust-toolchain [INFO] started tweaking git repo https://github.com/vpukhanov/oreos [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/vpukhanov/oreos [INFO] tweaked toml for git repo https://github.com/vpukhanov/oreos written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/vpukhanov/oreos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded x86_64 v0.11.1 [INFO] [stderr] Downloaded bootloader v0.9.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90096b9bc7db911914ecdd369a0428f3ac94c1e7cb5aa67e01100eff98017640 [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" "90096b9bc7db911914ecdd369a0428f3ac94c1e7cb5aa67e01100eff98017640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90096b9bc7db911914ecdd369a0428f3ac94c1e7cb5aa67e01100eff98017640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90096b9bc7db911914ecdd369a0428f3ac94c1e7cb5aa67e01100eff98017640", kill_on_drop: false }` [INFO] [stdout] 90096b9bc7db911914ecdd369a0428f3ac94c1e7cb5aa67e01100eff98017640 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 516cf7294ad9fe29b5d3401ed56c2f7d16571a9c785808bd54d989daf7ced032 [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" "516cf7294ad9fe29b5d3401ed56c2f7d16571a9c785808bd54d989daf7ced032", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling x86_64 v0.11.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Compiling bootloader v0.9.5 [INFO] [stderr] Checking cpuio v0.3.0 [INFO] [stderr] Checking volatile v0.2.6 [INFO] [stderr] Checking pc-keyboard v0.5.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pic8259_simple v0.2.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking spinning_top v0.1.0 [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" "516cf7294ad9fe29b5d3401ed56c2f7d16571a9c785808bd54d989daf7ced032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "516cf7294ad9fe29b5d3401ed56c2f7d16571a9c785808bd54d989daf7ced032", kill_on_drop: false }` [INFO] [stdout] 516cf7294ad9fe29b5d3401ed56c2f7d16571a9c785808bd54d989daf7ced032