[INFO] updating cached repository https://github.com/AltOS-Rust/cm0-port
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90d34a47dd4cc3d4cad13439d2f1a73a7d79299d
[INFO] checking AltOS-Rust/cm0-port against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltOS-Rust%2Fcm0-port" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AltOS-Rust/cm0-port on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AltOS-Rust/cm0-port
[INFO] removed path dependency arm from git repo https://github.com/AltOS-Rust/cm0-port
[INFO] finished tweaking git repo https://github.com/AltOS-Rust/cm0-port
[INFO] tweaked toml for git repo https://github.com/AltOS-Rust/cm0-port written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/AltOS-Rust/cm0-port already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (arm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/AltOS-Rust/altos-core`
[INFO] [stderr]     Updating git repository `https://github.com/AltOS-Rust/volatile`
[INFO] [stderr]     Updating git repository `https://github.com/AltOS-Rust/cm0-atomic`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (arm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 960fd6f8c91caca8ad134b2c38481ae81bd42d072c0e20bf63aa123768ca023d
[INFO] running `"docker" "start" "-a" "960fd6f8c91caca8ad134b2c38481ae81bd42d072c0e20bf63aa123768ca023d"`
[INFO] [stderr] warning: dependency (arm) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking altos-macros v0.1.0 (https://github.com/AltOS-Rust/altos-core#49236794)
[INFO] [stderr]     Checking cm0_sync v0.1.0 (https://github.com/AltOS-Rust/altos-core#49236794)
[INFO] [stderr]    Compiling arm v0.0.1
[INFO] [stderr]     Checking volatile-ptr v0.1.0 (https://github.com/AltOS-Rust/volatile#a6c4b3d8)
[INFO] [stderr]     Checking free_list_allocator v0.1.0 (https://github.com/AltOS-Rust/altos-core#49236794)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/altos-core-ea5d92ea11596cf6/4923679/libs/heap/free_list_allocator/src/lib.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![feature(allocator)]
[INFO] [stderr]    |            ^^^^^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/altos-core-ea5d92ea11596cf6/4923679/libs/heap/free_list_allocator/src/lib.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![cfg_attr(not(test), allocator)]
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stderr]    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `allocator` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/altos-core-ea5d92ea11596cf6/4923679/libs/heap/free_list_allocator/src/lib.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![cfg_attr(not(test), allocator)]
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the derive macro `Copy`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/altos-core-ea5d92ea11596cf6/4923679/libs/heap/free_list_allocator/src/free_list.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[derive(Copy, Clone)]
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the derive macro `Clone`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/altos-core-ea5d92ea11596cf6/4923679/libs/heap/free_list_allocator/src/free_list.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[derive(Copy, Clone)]
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0557, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `free_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 `"docker" "inspect" "960fd6f8c91caca8ad134b2c38481ae81bd42d072c0e20bf63aa123768ca023d"`
[INFO] running `"docker" "rm" "-f" "960fd6f8c91caca8ad134b2c38481ae81bd42d072c0e20bf63aa123768ca023d"`
[INFO] [stdout] 960fd6f8c91caca8ad134b2c38481ae81bd42d072c0e20bf63aa123768ca023d