[INFO] fetching crate flat-tree 5.0.0...
[INFO] checking flat-tree-5.0.0 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] extracting crate flat-tree 5.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flat-tree 5.0.0 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flat-tree 5.0.0
[INFO] finished tweaking crates.io crate flat-tree 5.0.0
[INFO] tweaked toml for crates.io crate flat-tree 5.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] 963ea6ed0a1010945ead63cb99d145083419c6d1e9947457c22ef762743ea70f
[INFO] running `"docker" "start" "-a" "963ea6ed0a1010945ead63cb99d145083419c6d1e9947457c22ef762743ea70f"`
[INFO] [stderr]     Checking flat-tree v5.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/iterator.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     ((1 << 30) * (1 << (n - 30)))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/iterator.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     ((1 << 30) * (1 << (n - 30)))
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "963ea6ed0a1010945ead63cb99d145083419c6d1e9947457c22ef762743ea70f"`
[INFO] running `"docker" "rm" "-f" "963ea6ed0a1010945ead63cb99d145083419c6d1e9947457c22ef762743ea70f"`
[INFO] [stdout] 963ea6ed0a1010945ead63cb99d145083419c6d1e9947457c22ef762743ea70f