[INFO] fetching crate rads 0.1.0...
[INFO] testing rads-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rads 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rads 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rads 0.1.0
[INFO] finished tweaking crates.io crate rads 0.1.0
[INFO] tweaked toml for crates.io crate rads 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f7f67bfdb5c2d4c779588173d93a55cf1e24b86fb8a97c4f309f6123bc63fc2
[INFO] running `"docker" "start" "-a" "1f7f67bfdb5c2d4c779588173d93a55cf1e24b86fb8a97c4f309f6123bc63fc2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rads v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(specialization)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/order/linked_list.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         /// Ensure this atom exists in this LinkedList
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/order/ofm.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |             (offset .. offset + width)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0275]: overflow evaluating the requirement `T: order::ofm::Indexable`
[INFO] [stderr]    --> src/order/ofm.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 50  | pub struct Ofm<T: Indexable> {
[INFO] [stderr]     |                   --------- required by this bound in `order::ofm::Ofm`
[INFO] [stderr] ...
[INFO] [stderr] 193 | impl<T> std::ops::Index<Index> for Ofm<T> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0275]: overflow evaluating the requirement `T: order::ofm::Indexable`
[INFO] [stderr]    --> src/order/ofm.rs:220:17
[INFO] [stderr]     |
[INFO] [stderr] 50  | pub struct Ofm<T: Indexable> {
[INFO] [stderr]     |                   --------- required by this bound in `order::ofm::Ofm`
[INFO] [stderr] ...
[INFO] [stderr] 220 | impl<'a, T: 'a> std::iter::IntoIterator for &'a Ofm<T> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0275]: overflow evaluating the requirement `T: order::ofm::Indexable`
[INFO] [stderr]    --> src/order/ofm.rs:195:14
[INFO] [stderr]     |
[INFO] [stderr] 50  | pub struct Ofm<T: Indexable> {
[INFO] [stderr]     |                   --------- required by this bound in `order::ofm::Ofm`
[INFO] [stderr] ...
[INFO] [stderr] 195 |     fn index(&self, i: Index) -> &T {
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0275]: overflow evaluating the requirement `T: order::ofm::Indexable`
[INFO] [stderr]    --> src/order/ofm.rs:223:18
[INFO] [stderr]     |
[INFO] [stderr] 50  | pub struct Ofm<T: Indexable> {
[INFO] [stderr]     |                   --------- required by this bound in `order::ofm::Ofm`
[INFO] [stderr] ...
[INFO] [stderr] 223 |     fn into_iter(self) -> Self::IntoIter {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0275, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0275`.
[INFO] [stderr] error: could not compile `rads`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1f7f67bfdb5c2d4c779588173d93a55cf1e24b86fb8a97c4f309f6123bc63fc2"`
[INFO] running `"docker" "rm" "-f" "1f7f67bfdb5c2d4c779588173d93a55cf1e24b86fb8a97c4f309f6123bc63fc2"`
[INFO] [stdout] 1f7f67bfdb5c2d4c779588173d93a55cf1e24b86fb8a97c4f309f6123bc63fc2