[INFO] crate bellman 0.1.0 is already in cache
[INFO] extracting crate bellman 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/bellman/0.1.0
[INFO] extracting crate bellman 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bellman/0.1.0
[INFO] validating manifest of bellman-0.1.0 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 bellman-0.1.0 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 bellman-0.1.0
[INFO] finished frobbing bellman-0.1.0
[INFO] frobbed toml for bellman-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/bellman/0.1.0/Cargo.toml
[INFO] started frobbing bellman-0.1.0
[INFO] finished frobbing bellman-0.1.0
[INFO] frobbed toml for bellman-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bellman/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 bellman-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/bellman/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] aab4eed42d9135ee33f55fea36e97c5cb5a4e858e8c5078ac350dea8f5db7329
[INFO] running `"docker" "start" "-a" "aab4eed42d9135ee33f55fea36e97c5cb5a4e858e8c5078ac350dea8f5db7329"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling pairing v0.14.2
[INFO] [stderr]    Compiling bellman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `"docker" "inspect" "aab4eed42d9135ee33f55fea36e97c5cb5a4e858e8c5078ac350dea8f5db7329"`
[INFO] running `"docker" "rm" "-f" "aab4eed42d9135ee33f55fea36e97c5cb5a4e858e8c5078ac350dea8f5db7329"`
[INFO] [stdout] aab4eed42d9135ee33f55fea36e97c5cb5a4e858e8c5078ac350dea8f5db7329
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/bellman/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aec372e213cd1f28719d060179a72e58fb51f383b46034617ca0a9814bc44d9b
[INFO] running `"docker" "start" "-a" "aec372e213cd1f28719d060179a72e58fb51f383b46034617ca0a9814bc44d9b"`
[INFO] [stderr]    Compiling bellman v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/mimc.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |             let mut tmp_value = xl_value.map(|mut e| {
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/mimc.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let mut tmp = cs.alloc(|| "tmp", || {
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/mimc.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let mut new_xl_value = xl_value.map(|mut e| {
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/mimc.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let mut new_xl = if i == (MIMC_ROUNDS-1) {
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `"docker" "inspect" "aec372e213cd1f28719d060179a72e58fb51f383b46034617ca0a9814bc44d9b"`
[INFO] running `"docker" "rm" "-f" "aec372e213cd1f28719d060179a72e58fb51f383b46034617ca0a9814bc44d9b"`
[INFO] [stdout] aec372e213cd1f28719d060179a72e58fb51f383b46034617ca0a9814bc44d9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/bellman/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1babc16b64faa9955fd79e7047917bcc6cabe2ca3514d6f4123234d6f8c39218
[INFO] running `"docker" "start" "-a" "1babc16b64faa9955fd79e7047917bcc6cabe2ca3514d6f4123234d6f8c39218"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bellman-fa1b15b986149a45
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test multicore::test_log2_floor ... ok
[INFO] [stdout] test groth16::tests::test_xordemo ... ok
[INFO] [stdout] test domain::parallel_fft_consistency ... ok
[INFO] [stdout] test domain::fft_composition ... ok
[INFO] [stdout] test domain::polynomial_arith ... test domain::polynomial_arith has been running for over 60 seconds
[INFO] [stdout] test groth16::test_with_bls12_381::serialization ... test groth16::test_with_bls12_381::serialization has been running for over 60 seconds
[INFO] [stdout] test multiexp::test_with_bls12 ... test multiexp::test_with_bls12 has been running for over 60 seconds
[INFO] [stdout] test groth16::test_with_bls12_381::serialization ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "1babc16b64faa9955fd79e7047917bcc6cabe2ca3514d6f4123234d6f8c39218"`
[INFO] running `"docker" "rm" "-f" "1babc16b64faa9955fd79e7047917bcc6cabe2ca3514d6f4123234d6f8c39218"`
[INFO] [stdout] 1babc16b64faa9955fd79e7047917bcc6cabe2ca3514d6f4123234d6f8c39218