[INFO] crate neptune 0.7.1 is already in cache
[INFO] checking neptune-0.7.1 against try#e2aab98dd8975a0990f9fbb79b3ea4b40559a184 for pr-72493
[INFO] extracting crate neptune 0.7.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate neptune 0.7.1 on toolchain e2aab98dd8975a0990f9fbb79b3ea4b40559a184
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate neptune 0.7.1
[INFO] finished tweaking crates.io crate neptune 0.7.1
[INFO] tweaked toml for crates.io crate neptune 0.7.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e2aab98dd8975a0990f9fbb79b3ea4b40559a184" "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] ac2c313f5f7afb32463eb327a171f75b972ae3683dd3072368b83aaab60087e9
[INFO] running `"docker" "start" "-a" "ac2c313f5f7afb32463eb327a171f75b972ae3683dd3072368b83aaab60087e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[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 csv-core v0.1.10
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling fff v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.5
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling fff_derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking groupy v0.3.1
[INFO] [stderr]     Checking paired v0.19.1
[INFO] [stderr]     Checking bellperson v0.8.0
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Checking neptune v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> benches/synthesis.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     for i in 0..4 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> benches/synthesis.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |             let out = poseidon_hash(&mut cs, data, &constants).expect("poseidon hashing failed");
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "ac2c313f5f7afb32463eb327a171f75b972ae3683dd3072368b83aaab60087e9"`
[INFO] running `"docker" "rm" "-f" "ac2c313f5f7afb32463eb327a171f75b972ae3683dd3072368b83aaab60087e9"`
[INFO] [stdout] ac2c313f5f7afb32463eb327a171f75b972ae3683dd3072368b83aaab60087e9