[INFO] fetching crate triadic-census 0.2.0...
[INFO] checking triadic-census-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate triadic-census 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate triadic-census 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate triadic-census 0.2.0
[INFO] finished tweaking crates.io crate triadic-census 0.2.0
[INFO] tweaked toml for crates.io crate triadic-census 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 336d8c837785e1dd1f3f70855764e2ae4b11ea33c10107d346cf4c024be14078
[INFO] running `"docker" "start" "-a" "336d8c837785e1dd1f3f70855764e2ae4b11ea33c10107d346cf4c024be14078"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking petgraph v0.2.10
[INFO] [stderr]     Checking triadic-census v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:357:50
[INFO] [stderr]     |
[INFO] [stderr] 357 |         let vec_len = (n * n) / 64 + cmp::min(1, ((n * n) % 64));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:411:50
[INFO] [stderr]     |
[INFO] [stderr] 411 |         let vec_len = (n * n) / 64 + cmp::min(1, ((n * n) % 64));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:518:3
[INFO] [stderr]     |
[INFO] [stderr] 518 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:530:3
[INFO] [stderr]     |
[INFO] [stderr] 530 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:543:3
[INFO] [stderr]     |
[INFO] [stderr] 543 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:357:50
[INFO] [stderr]     |
[INFO] [stderr] 357 |         let vec_len = (n * n) / 64 + cmp::min(1, ((n * n) % 64));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:411:50
[INFO] [stderr]     |
[INFO] [stderr] 411 |         let vec_len = (n * n) / 64 + cmp::min(1, ((n * n) % 64));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IndexType`
[INFO] [stderr]  --> src/lib.rs:8:34
[INFO] [stderr]   |
[INFO] [stderr] 8 | use petgraph::graph::{NodeIndex, IndexType};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `triadic-census`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `IndexType`
[INFO] [stderr]  --> src/lib.rs:8:34
[INFO] [stderr]   |
[INFO] [stderr] 8 | use petgraph::graph::{NodeIndex, IndexType};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "336d8c837785e1dd1f3f70855764e2ae4b11ea33c10107d346cf4c024be14078"`
[INFO] running `"docker" "rm" "-f" "336d8c837785e1dd1f3f70855764e2ae4b11ea33c10107d346cf4c024be14078"`
[INFO] [stdout] 336d8c837785e1dd1f3f70855764e2ae4b11ea33c10107d346cf4c024be14078