[INFO] updating cached repository https://github.com/ebfull/powersoftau
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 5429415959175082207fd61c10319e47a6b56e87
[INFO] testing ebfull/powersoftau against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Febfull%2Fpowersoftau" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ebfull/powersoftau on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ebfull/powersoftau
[INFO] finished tweaking git repo https://github.com/ebfull/powersoftau
[INFO] tweaked toml for git repo https://github.com/ebfull/powersoftau written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ebfull/powersoftau already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] cbb4f60333341ad93c403e444d641a93d5d4bdbb82c6647296452fdcfe4117bd
[INFO] running `"docker" "start" "-a" "cbb4f60333341ad93c403e444d641a93d5d4bdbb82c6647296452fdcfe4117bd"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling pairing v0.14.1
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling blake2 v0.6.1
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]    Compiling hex-literal v0.1.1
[INFO] [stderr]    Compiling bellman v0.1.0
[INFO] [stderr]    Compiling powersoftau v0.1.1 (/opt/rustwide/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 8.51s
[INFO] running `"docker" "inspect" "cbb4f60333341ad93c403e444d641a93d5d4bdbb82c6647296452fdcfe4117bd"`
[INFO] running `"docker" "rm" "-f" "cbb4f60333341ad93c403e444d641a93d5d4bdbb82c6647296452fdcfe4117bd"`
[INFO] [stdout] cbb4f60333341ad93c403e444d641a93d5d4bdbb82c6647296452fdcfe4117bd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 367b5f791651724e6ddbe36d8ede1bf1886d239e30462b753246ad53b13ced1c
[INFO] running `"docker" "start" "-a" "367b5f791651724e6ddbe36d8ede1bf1886d239e30462b753246ad53b13ced1c"`
[INFO] [stderr]    Compiling powersoftau v0.1.1 (/opt/rustwide/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 2.89s
[INFO] running `"docker" "inspect" "367b5f791651724e6ddbe36d8ede1bf1886d239e30462b753246ad53b13ced1c"`
[INFO] running `"docker" "rm" "-f" "367b5f791651724e6ddbe36d8ede1bf1886d239e30462b753246ad53b13ced1c"`
[INFO] [stdout] 367b5f791651724e6ddbe36d8ede1bf1886d239e30462b753246ad53b13ced1c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 4ee95ed00040cf2ba7c99e5eb6db21320930378c4eee81979ab3cc7189a37584
[INFO] running `"docker" "start" "-a" "4ee95ed00040cf2ba7c99e5eb6db21320930378c4eee81979ab3cc7189a37584"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/powersoftau-2a5a16c0ed865411
[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/rustwide/target/debug/deps/powersoftau-2a5a16c0ed865411` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "4ee95ed00040cf2ba7c99e5eb6db21320930378c4eee81979ab3cc7189a37584"`
[INFO] running `"docker" "rm" "-f" "4ee95ed00040cf2ba7c99e5eb6db21320930378c4eee81979ab3cc7189a37584"`
[INFO] [stdout] 4ee95ed00040cf2ba7c99e5eb6db21320930378c4eee81979ab3cc7189a37584