[INFO] fetching crate starling 3.1.4...
[INFO] checking starling-3.1.4 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate starling 3.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate starling 3.1.4 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate starling 3.1.4
[INFO] finished tweaking crates.io crate starling 3.1.4
[INFO] tweaked toml for crates.io crate starling 3.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate starling 3.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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=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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 7c030373a80134422df80b53efb729b316e8d90d7097fa580041cb0a38cc0a0d
[INFO] running `"docker" "start" "-a" "7c030373a80134422df80b53efb729b316e8d90d7097fa580041cb0a38cc0a0d"`
[INFO] [stderr]    Compiling starling v3.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/constants.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const KEY_LEN_BITS: usize = (KEY_LEN * 8 - 1);
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/constants.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub const KEY_LEN_BITS: usize = (KEY_LEN * 8 - 1);
[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 57.86s
[INFO] running `"docker" "inspect" "7c030373a80134422df80b53efb729b316e8d90d7097fa580041cb0a38cc0a0d"`
[INFO] running `"docker" "rm" "-f" "7c030373a80134422df80b53efb729b316e8d90d7097fa580041cb0a38cc0a0d"`
[INFO] [stdout] 7c030373a80134422df80b53efb729b316e8d90d7097fa580041cb0a38cc0a0d