[INFO] updating cached repository https://github.com/kobigurk/librustzcash_omer_external
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f077ebb86cdfff91c09347d6a57c804c189f3b5
[INFO] checking kobigurk/librustzcash_omer_external against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobigurk/librustzcash_omer_external on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kobigurk/librustzcash_omer_external
[INFO] finished tweaking git repo https://github.com/kobigurk/librustzcash_omer_external
[INFO] tweaked toml for git repo https://github.com/kobigurk/librustzcash_omer_external written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kobigurk/librustzcash_omer_external already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] d4c4fa8de13f37821feeffae7dae2fe41f1f306316c41abc399fbb339ddcb7fe
[INFO] running `"docker" "start" "-a" "d4c4fa8de13f37821feeffae7dae2fe41f1f306316c41abc399fbb339ddcb7fe"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking pairing v0.14.2 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking bellman v0.1.0 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking sapling-crypto v0.0.1 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking omer_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `JubjubBls12`, `JubjubEngine`, `PrimeOrder`, `fs::Fs`
[INFO] [stderr]  --> src/main.rs:4:39
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sapling_crypto::jubjub::{edwards, fs::Fs, PrimeOrder, Unknown, JubjubBls12, JubjubEngine };
[INFO] [stderr]   |                                       ^^^^^^  ^^^^^^^^^^           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `JubjubBls12`, `JubjubEngine`, `PrimeOrder`, `fs::Fs`
[INFO] [stderr]  --> src/main.rs:4:39
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sapling_crypto::jubjub::{edwards, fs::Fs, PrimeOrder, Unknown, JubjubBls12, JubjubEngine };
[INFO] [stderr]   |                                       ^^^^^^  ^^^^^^^^^^           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `"docker" "inspect" "d4c4fa8de13f37821feeffae7dae2fe41f1f306316c41abc399fbb339ddcb7fe"`
[INFO] running `"docker" "rm" "-f" "d4c4fa8de13f37821feeffae7dae2fe41f1f306316c41abc399fbb339ddcb7fe"`
[INFO] [stdout] d4c4fa8de13f37821feeffae7dae2fe41f1f306316c41abc399fbb339ddcb7fe