[INFO] cloning repository integritychain/second
[INFO] running `"git" "clone" "--bare" "git://github.com/integritychain/second.git" "work/cache/sources/gh/integritychain/second"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/integritychain/second'...
[INFO] running `"git" "clone" "work/cache/sources/gh/integritychain/second" "work/ex/beta-1.37-6/sources/1.36.0/gh/integritychain/second"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/integritychain/second'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/integritychain/second" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/integritychain/second"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/integritychain/second'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bdd587d674294b87664c54f078a05d6dd947f33
[INFO] sha for GitHub repo integritychain/second: 3bdd587d674294b87664c54f078a05d6dd947f33
[INFO] validating manifest of integritychain/second 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 integritychain/second 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 integritychain/second
[INFO] finished frobbing integritychain/second
[INFO] frobbed toml for integritychain/second written to work/ex/beta-1.37-6/sources/1.36.0/gh/integritychain/second/Cargo.toml
[INFO] started frobbing integritychain/second
[INFO] finished frobbing integritychain/second
[INFO] frobbed toml for integritychain/second written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/integritychain/second/Cargo.toml
[INFO] crate integritychain/second 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing integritychain/second 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/integritychain/second:/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] cca200c607f309cf385e23d1752857e746444942d537659431ea5e28632064c6
[INFO] running `"docker" "start" "-a" "cca200c607f309cf385e23d1752857e746444942d537659431ea5e28632064c6"`
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling second v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `reduce`
[INFO] [stderr]    --> src/main.rs:177:1
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn reduce(a: (Fe25519, Fe25519)) -> Fe25519 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.40s
[INFO] running `"docker" "inspect" "cca200c607f309cf385e23d1752857e746444942d537659431ea5e28632064c6"`
[INFO] running `"docker" "rm" "-f" "cca200c607f309cf385e23d1752857e746444942d537659431ea5e28632064c6"`
[INFO] [stdout] cca200c607f309cf385e23d1752857e746444942d537659431ea5e28632064c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/integritychain/second:/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] 827c4430fc40bb005c1a2b556fdab1b2341cc460ea3e2b3d0d865f8bd533fe54
[INFO] running `"docker" "start" "-a" "827c4430fc40bb005c1a2b556fdab1b2341cc460ea3e2b3d0d865f8bd533fe54"`
[INFO] [stderr]    Compiling second v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/main.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let m = Fe25519::from_str("0x0004e9a04d1d12b7683bb1f3a245e4ef0a8453ebc428abfce0c2084acebbc82f").unwrap();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "827c4430fc40bb005c1a2b556fdab1b2341cc460ea3e2b3d0d865f8bd533fe54"`
[INFO] running `"docker" "rm" "-f" "827c4430fc40bb005c1a2b556fdab1b2341cc460ea3e2b3d0d865f8bd533fe54"`
[INFO] [stdout] 827c4430fc40bb005c1a2b556fdab1b2341cc460ea3e2b3d0d865f8bd533fe54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/integritychain/second:/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] 15828b12ff9552cff5f1317e528779e07f1d743029150a54570637e07e10cc89
[INFO] running `"docker" "start" "-a" "15828b12ff9552cff5f1317e528779e07f1d743029150a54570637e07e10cc89"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/second-4140806b038d525f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_fmt ... ok
[INFO] [stdout] test test_reduce ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_mult ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "15828b12ff9552cff5f1317e528779e07f1d743029150a54570637e07e10cc89"`
[INFO] running `"docker" "rm" "-f" "15828b12ff9552cff5f1317e528779e07f1d743029150a54570637e07e10cc89"`
[INFO] [stdout] 15828b12ff9552cff5f1317e528779e07f1d743029150a54570637e07e10cc89