[INFO] cloning repository kobigurk/librustzcash_omer_external
[INFO] running `"git" "clone" "--bare" "git://github.com/kobigurk/librustzcash_omer_external.git" "work/cache/sources/gh/kobigurk/librustzcash_omer_external"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kobigurk/librustzcash_omer_external'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kobigurk/librustzcash_omer_external" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kobigurk/librustzcash_omer_external"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kobigurk/librustzcash_omer_external'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kobigurk/librustzcash_omer_external" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kobigurk/librustzcash_omer_external"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kobigurk/librustzcash_omer_external'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f077ebb86cdfff91c09347d6a57c804c189f3b5
[INFO] sha for GitHub repo kobigurk/librustzcash_omer_external: 5f077ebb86cdfff91c09347d6a57c804c189f3b5
[INFO] validating manifest of kobigurk/librustzcash_omer_external on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kobigurk/librustzcash_omer_external on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kobigurk/librustzcash_omer_external
[INFO] finished frobbing kobigurk/librustzcash_omer_external
[INFO] frobbed toml for kobigurk/librustzcash_omer_external written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kobigurk/librustzcash_omer_external/Cargo.toml
[INFO] started frobbing kobigurk/librustzcash_omer_external
[INFO] finished frobbing kobigurk/librustzcash_omer_external
[INFO] frobbed toml for kobigurk/librustzcash_omer_external written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kobigurk/librustzcash_omer_external/Cargo.toml
[INFO] crate kobigurk/librustzcash_omer_external already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/zcash/librustzcash.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking kobigurk/librustzcash_omer_external against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kobigurk/librustzcash_omer_external:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ebb15926de13ba7c88a6ba8d5ca51bbb3cfa8cdd5734b459872c167e857a894a
[INFO] running `"docker" "start" "-a" "ebb15926de13ba7c88a6ba8d5ca51bbb3cfa8cdd5734b459872c167e857a894a"`
[INFO] [stderr]     Checking pairing v0.14.2 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[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/crater/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 16.92s
[INFO] running `"docker" "inspect" "ebb15926de13ba7c88a6ba8d5ca51bbb3cfa8cdd5734b459872c167e857a894a"`
[INFO] running `"docker" "rm" "-f" "ebb15926de13ba7c88a6ba8d5ca51bbb3cfa8cdd5734b459872c167e857a894a"`
[INFO] [stdout] ebb15926de13ba7c88a6ba8d5ca51bbb3cfa8cdd5734b459872c167e857a894a