[INFO] fetching crate sharks 0.3.2...
[INFO] checking sharks-0.3.2 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate sharks 0.3.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sharks 0.3.2 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sharks 0.3.2
[INFO] finished tweaking crates.io crate sharks 0.3.2
[INFO] tweaked toml for crates.io crate sharks 0.3.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e78d8b970f045786990a06142e242319d235d6eb1c6ac1899210e35c03020e90
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "e78d8b970f045786990a06142e242319d235d6eb1c6ac1899210e35c03020e90"`
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking sharks v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/math.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         (Share {
[INFO] [stderr] 54 | |             x,
[INFO] [stderr] 55 | |             y: polys
[INFO] [stderr] 56 | |                 .iter()
[INFO] [stderr] 57 | |                 .map(|p| p.iter().fold(GF256(0), |acc, c| acc * x + *c))
[INFO] [stderr] 58 | |                 .collect(),
[INFO] [stderr] 59 | |         })
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Share {
[INFO] [stderr] 54 |             x,
[INFO] [stderr] 55 |             y: polys
[INFO] [stderr] 56 |                 .iter()
[INFO] [stderr] 57 |                 .map(|p| p.iter().fold(GF256(0), |acc, c| acc * x + *c))
[INFO] [stderr] 58 |                 .collect(),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/math.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | /         (Share {
[INFO] [stderr] 54 | |             x,
[INFO] [stderr] 55 | |             y: polys
[INFO] [stderr] 56 | |                 .iter()
[INFO] [stderr] 57 | |                 .map(|p| p.iter().fold(GF256(0), |acc, c| acc * x + *c))
[INFO] [stderr] 58 | |                 .collect(),
[INFO] [stderr] 59 | |         })
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Share {
[INFO] [stderr] 54 |             x,
[INFO] [stderr] 55 |             y: polys
[INFO] [stderr] 56 |                 .iter()
[INFO] [stderr] 57 |                 .map(|p| p.iter().fold(GF256(0), |acc, c| acc * x + *c))
[INFO] [stderr] 58 |                 .collect(),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `"docker" "inspect" "e78d8b970f045786990a06142e242319d235d6eb1c6ac1899210e35c03020e90"`
[INFO] running `"docker" "rm" "-f" "e78d8b970f045786990a06142e242319d235d6eb1c6ac1899210e35c03020e90"`
[INFO] [stdout] e78d8b970f045786990a06142e242319d235d6eb1c6ac1899210e35c03020e90