[INFO] updating cached repository https://github.com/vince19972/Blockchain-Rust-Exercise
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 095c91479b41148a1bcfe918a6b7fa170d13f372
[INFO] testing vince19972/Blockchain-Rust-Exercise against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvince19972%2FBlockchain-Rust-Exercise" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vince19972/Blockchain-Rust-Exercise on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vince19972/Blockchain-Rust-Exercise
[INFO] finished tweaking git repo https://github.com/vince19972/Blockchain-Rust-Exercise
[INFO] tweaked toml for git repo https://github.com/vince19972/Blockchain-Rust-Exercise written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/vince19972/Blockchain-Rust-Exercise already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f0f6bc2934461666de2096f43f4e75195c858cb706ee684275bd2f69b7c72d3
[INFO] running `"docker" "start" "-a" "9f0f6bc2934461666de2096f43f4e75195c858cb706ee684275bd2f69b7c72d3"`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling blockchain-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `"docker" "inspect" "9f0f6bc2934461666de2096f43f4e75195c858cb706ee684275bd2f69b7c72d3"`
[INFO] running `"docker" "rm" "-f" "9f0f6bc2934461666de2096f43f4e75195c858cb706ee684275bd2f69b7c72d3"`
[INFO] [stdout] 9f0f6bc2934461666de2096f43f4e75195c858cb706ee684275bd2f69b7c72d3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78c613fa0e6f67c380b0ede43b9533a3fff76b771cd6d990ee24e0faf41db123
[INFO] running `"docker" "start" "-a" "78c613fa0e6f67c380b0ede43b9533a3fff76b771cd6d990ee24e0faf41db123"`
[INFO] [stderr]    Compiling blockchain-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "78c613fa0e6f67c380b0ede43b9533a3fff76b771cd6d990ee24e0faf41db123"`
[INFO] running `"docker" "rm" "-f" "78c613fa0e6f67c380b0ede43b9533a3fff76b771cd6d990ee24e0faf41db123"`
[INFO] [stdout] 78c613fa0e6f67c380b0ede43b9533a3fff76b771cd6d990ee24e0faf41db123
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 15ecc9a73df33dd43c665e006836f4c1b332c0675fd8d4fa8c7511b3e364d684
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "15ecc9a73df33dd43c665e006836f4c1b332c0675fd8d4fa8c7511b3e364d684"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blockchainlib-2ce15643db9fdf5d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blockchain-3a8babed03e417a9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blockchainlib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "15ecc9a73df33dd43c665e006836f4c1b332c0675fd8d4fa8c7511b3e364d684"`
[INFO] running `"docker" "rm" "-f" "15ecc9a73df33dd43c665e006836f4c1b332c0675fd8d4fa8c7511b3e364d684"`
[INFO] [stdout] 15ecc9a73df33dd43c665e006836f4c1b332c0675fd8d4fa8c7511b3e364d684