[INFO] crate neptune 0.5.4 is already in cache
[INFO] checking neptune-0.5.4 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate neptune 0.5.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate neptune 0.5.4 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate neptune 0.5.4
[INFO] finished tweaking crates.io crate neptune 0.5.4
[INFO] tweaked toml for crates.io crate neptune 0.5.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2ni v0.8.4
[INFO] [stderr]   Downloaded fff_derive v0.2.2
[INFO] [stderr]   Downloaded fff v0.2.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 46d1a9801f5a04d998410a0d1abcd28ac7fac8c449049221d03e621d7e22e03b
[INFO] running `"docker" "start" "-a" "46d1a9801f5a04d998410a0d1abcd28ac7fac8c449049221d03e621d7e22e03b"`
[INFO] [stderr]    Compiling fff v0.2.2
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling fff_derive v0.2.2
[INFO] [stderr]     Checking sha2ni v0.8.4
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking groupy v0.3.1
[INFO] [stderr]     Checking paired v0.18.0
[INFO] [stderr]     Checking paired v0.17.0
[INFO] [stderr]     Checking bellperson v0.6.4
[INFO] [stderr]     Checking neptune v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `generic_array::ArrayLength`
[INFO] [stderr]   --> src/circuit.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use generic_array::ArrayLength;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.20s
[INFO] running `"docker" "inspect" "46d1a9801f5a04d998410a0d1abcd28ac7fac8c449049221d03e621d7e22e03b"`
[INFO] running `"docker" "rm" "-f" "46d1a9801f5a04d998410a0d1abcd28ac7fac8c449049221d03e621d7e22e03b"`
[INFO] [stdout] 46d1a9801f5a04d998410a0d1abcd28ac7fac8c449049221d03e621d7e22e03b