[INFO] cloning repository https://github.com/sergey-melnychuk/doing-some-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sergey-melnychuk/doing-some-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fdoing-some-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fdoing-some-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b5a0a8feeeb6bd0404ece66aaa5e669ed653f03
[INFO] testing sergey-melnychuk/doing-some-blockchain against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fdoing-some-blockchain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergey-melnychuk/doing-some-blockchain
[INFO] finished tweaking git repo https://github.com/sergey-melnychuk/doing-some-blockchain
[INFO] tweaked toml for git repo https://github.com/sergey-melnychuk/doing-some-blockchain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergey-melnychuk/doing-some-blockchain on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergey-melnychuk/doing-some-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce8f4364cd01226ae988d6477ca43a932acfddd81647aec5422c4f445d10877e
[INFO] running `Command { std: "docker" "start" "-a" "ce8f4364cd01226ae988d6477ca43a932acfddd81647aec5422c4f445d10877e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8f4364cd01226ae988d6477ca43a932acfddd81647aec5422c4f445d10877e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8f4364cd01226ae988d6477ca43a932acfddd81647aec5422c4f445d10877e", kill_on_drop: false }`
[INFO] [stdout] ce8f4364cd01226ae988d6477ca43a932acfddd81647aec5422c4f445d10877e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40b4aa6ea3ecb1bbc27d5b9018a4ba2a427f2398f31e9d7f65e2662d9eabd6b
[INFO] running `Command { std: "docker" "start" "-a" "d40b4aa6ea3ecb1bbc27d5b9018a4ba2a427f2398f31e9d7f65e2662d9eabd6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling doing-some-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "d40b4aa6ea3ecb1bbc27d5b9018a4ba2a427f2398f31e9d7f65e2662d9eabd6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40b4aa6ea3ecb1bbc27d5b9018a4ba2a427f2398f31e9d7f65e2662d9eabd6b", kill_on_drop: false }`
[INFO] [stdout] d40b4aa6ea3ecb1bbc27d5b9018a4ba2a427f2398f31e9d7f65e2662d9eabd6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82000a47b4243efa184e5c17ea19b13ac4b1a7dd31cd0cb6a0ec8693eec25f19
[INFO] running `Command { std: "docker" "start" "-a" "82000a47b4243efa184e5c17ea19b13ac4b1a7dd31cd0cb6a0ec8693eec25f19", kill_on_drop: false }`
[INFO] [stderr]    Compiling doing-some-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "82000a47b4243efa184e5c17ea19b13ac4b1a7dd31cd0cb6a0ec8693eec25f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82000a47b4243efa184e5c17ea19b13ac4b1a7dd31cd0cb6a0ec8693eec25f19", kill_on_drop: false }`
[INFO] [stdout] 82000a47b4243efa184e5c17ea19b13ac4b1a7dd31cd0cb6a0ec8693eec25f19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff03380ad2890a7487cf1404ef71193aa298384371fcaba42ccca4269f7c43af
[INFO] running `Command { std: "docker" "start" "-a" "ff03380ad2890a7487cf1404ef71193aa298384371fcaba42ccca4269f7c43af", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/doing_some_blockchain-a4422aaf516db011)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ec::tests::test_math ... ignored, 'attempt to multiply with overflow'
[INFO] [stdout] test ec::tests::test_sign ... ignored, 'attempt to multiply with overflow'
[INFO] [stdout] test ec::tests::text_mod_inv ... ok
[INFO] [stdout] test util::tests::test_merge ... ok
[INFO] [stdout] test dhke::tests::test_dfke_math ... ok
[INFO] [stdout] test xor::tests::test_refresh ... ok
[INFO] [stdout] test util::tests::test_split ... ok
[INFO] [stdout] test xor::tests::test_split_merge ... ok
[INFO] [stdout] test dhke::tests::test_dfke_handshake ... ok
[INFO] [stderr]      Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-72330573a64a2eea)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-cdd08196af7e5b11)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_echo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests doing_some_blockchain
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff03380ad2890a7487cf1404ef71193aa298384371fcaba42ccca4269f7c43af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff03380ad2890a7487cf1404ef71193aa298384371fcaba42ccca4269f7c43af", kill_on_drop: false }`
[INFO] [stdout] ff03380ad2890a7487cf1404ef71193aa298384371fcaba42ccca4269f7c43af