[INFO] updating cached repository ebfull/powersoftau
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ebfull/powersoftau
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ebfull/powersoftau" "work/ex/beta-1.37-6/sources/1.36.0/gh/ebfull/powersoftau"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ebfull/powersoftau'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ebfull/powersoftau" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ebfull/powersoftau"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ebfull/powersoftau'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5429415959175082207fd61c10319e47a6b56e87
[INFO] sha for GitHub repo ebfull/powersoftau: 5429415959175082207fd61c10319e47a6b56e87
[INFO] validating manifest of ebfull/powersoftau on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ebfull/powersoftau on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ebfull/powersoftau
[INFO] finished frobbing ebfull/powersoftau
[INFO] frobbed toml for ebfull/powersoftau written to work/ex/beta-1.37-6/sources/1.36.0/gh/ebfull/powersoftau/Cargo.toml
[INFO] started frobbing ebfull/powersoftau
[INFO] finished frobbing ebfull/powersoftau
[INFO] frobbed toml for ebfull/powersoftau written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ebfull/powersoftau/Cargo.toml
[INFO] crate ebfull/powersoftau already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ebfull/powersoftau against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ebfull/powersoftau:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 22a5df36e42b5549c4dfc2b5ea9ed3825840aceb395f9df5e52fff08cfa134e3
[INFO] running `"docker" "start" "-a" "22a5df36e42b5549c4dfc2b5ea9ed3825840aceb395f9df5e52fff08cfa134e3"`
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]    Compiling pairing v0.14.1
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling blake2 v0.6.1
[INFO] [stderr]    Compiling hex-literal v0.1.1
[INFO] [stderr]    Compiling bellman v0.1.0
[INFO] [stderr]    Compiling powersoftau v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Arc` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:664:21
[INFO] [stderr]     |
[INFO] [stderr] 44  | use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                 --- the item `Arc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Mutex` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:664:26
[INFO] [stderr]     |
[INFO] [stderr] 44  | use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                      ----- the item `Mutex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.10s
[INFO] running `"docker" "inspect" "22a5df36e42b5549c4dfc2b5ea9ed3825840aceb395f9df5e52fff08cfa134e3"`
[INFO] running `"docker" "rm" "-f" "22a5df36e42b5549c4dfc2b5ea9ed3825840aceb395f9df5e52fff08cfa134e3"`
[INFO] [stdout] 22a5df36e42b5549c4dfc2b5ea9ed3825840aceb395f9df5e52fff08cfa134e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ebfull/powersoftau:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d530044dbca32f26139b44c651c9ab1aaed4845d45bb4dbb385b08926c206c78
[INFO] running `"docker" "start" "-a" "d530044dbca32f26139b44c651c9ab1aaed4845d45bb4dbb385b08926c206c78"`
[INFO] [stderr]    Compiling powersoftau v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Arc` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:664:21
[INFO] [stderr]     |
[INFO] [stderr] 44  | use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                 --- the item `Arc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Mutex` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:664:26
[INFO] [stderr]     |
[INFO] [stderr] 44  | use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                      ----- the item `Mutex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `"docker" "inspect" "d530044dbca32f26139b44c651c9ab1aaed4845d45bb4dbb385b08926c206c78"`
[INFO] running `"docker" "rm" "-f" "d530044dbca32f26139b44c651c9ab1aaed4845d45bb4dbb385b08926c206c78"`
[INFO] [stdout] d530044dbca32f26139b44c651c9ab1aaed4845d45bb4dbb385b08926c206c78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ebfull/powersoftau:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 3ae9e2efafedbe883e31ee2ee90faa8fe26f677b51f7462ff48bb43de08a7ae9
[INFO] running `"docker" "start" "-a" "3ae9e2efafedbe883e31ee2ee90faa8fe26f677b51f7462ff48bb43de08a7ae9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/powersoftau-1397487a39578599
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_hash_to_g2 ... ok
[INFO] [stdout] test test_same_ratio ... ok
[INFO] [stdout] test test_pubkey_serialization ... ok
[INFO] [stderr] error: process didn't exit successfully: `/opt/crater/target/debug/deps/powersoftau-1397487a39578599` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "3ae9e2efafedbe883e31ee2ee90faa8fe26f677b51f7462ff48bb43de08a7ae9"`
[INFO] running `"docker" "rm" "-f" "3ae9e2efafedbe883e31ee2ee90faa8fe26f677b51f7462ff48bb43de08a7ae9"`
[INFO] [stdout] 3ae9e2efafedbe883e31ee2ee90faa8fe26f677b51f7462ff48bb43de08a7ae9