[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 beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fdoing-some-blockchain" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergey-melnychuk/doing-some-blockchain on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c581a5bd3c38891d7c5d7e1fe1322f26bb55b1a2b7aaf4bae2ab23d220cba2a
[INFO] running `Command { std: "docker" "start" "-a" "4c581a5bd3c38891d7c5d7e1fe1322f26bb55b1a2b7aaf4bae2ab23d220cba2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c581a5bd3c38891d7c5d7e1fe1322f26bb55b1a2b7aaf4bae2ab23d220cba2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c581a5bd3c38891d7c5d7e1fe1322f26bb55b1a2b7aaf4bae2ab23d220cba2a", kill_on_drop: false }`
[INFO] [stdout] 4c581a5bd3c38891d7c5d7e1fe1322f26bb55b1a2b7aaf4bae2ab23d220cba2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8f2f49d0c3c9e32caea0372d2d3e1c4d49faf94702276f1ddcb07ce47155dc
[INFO] running `Command { std: "docker" "start" "-a" "1f8f2f49d0c3c9e32caea0372d2d3e1c4d49faf94702276f1ddcb07ce47155dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling crc32fast v1.3.2
[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 4.09s
[INFO] running `Command { std: "docker" "inspect" "1f8f2f49d0c3c9e32caea0372d2d3e1c4d49faf94702276f1ddcb07ce47155dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8f2f49d0c3c9e32caea0372d2d3e1c4d49faf94702276f1ddcb07ce47155dc", kill_on_drop: false }`
[INFO] [stdout] 1f8f2f49d0c3c9e32caea0372d2d3e1c4d49faf94702276f1ddcb07ce47155dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385c5c1621fa2fcac626200ca0eaaf7b8eef324a7841c4217c9f620aab52363b
[INFO] running `Command { std: "docker" "start" "-a" "385c5c1621fa2fcac626200ca0eaaf7b8eef324a7841c4217c9f620aab52363b", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "385c5c1621fa2fcac626200ca0eaaf7b8eef324a7841c4217c9f620aab52363b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385c5c1621fa2fcac626200ca0eaaf7b8eef324a7841c4217c9f620aab52363b", kill_on_drop: false }`
[INFO] [stdout] 385c5c1621fa2fcac626200ca0eaaf7b8eef324a7841c4217c9f620aab52363b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63fd14dc2ec04fad9562eba2e20bf9ed366290c642462927ecf45aa2a5d04220
[INFO] running `Command { std: "docker" "start" "-a" "63fd14dc2ec04fad9562eba2e20bf9ed366290c642462927ecf45aa2a5d04220", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/doing_some_blockchain-39ebd9263c0d1641)
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-bb2f940450e09ddf)
[INFO] [stdout] test ec::tests::test_math ... ignored, 'attempt to multiply with overflow'
[INFO] [stderr]      Running unittests src/bin/server.rs (/opt/rustwide/target/debug/deps/server-aee806134679ff7b)
[INFO] [stdout] test ec::tests::test_sign ... ignored, 'attempt to multiply with overflow'
[INFO] [stdout] test util::tests::test_merge ... ok
[INFO] [stdout] test dhke::tests::test_dfke_math ... ok
[INFO] [stdout] test ec::tests::text_mod_inv ... ok
[INFO] [stdout] test util::tests::test_split ... ok
[INFO] [stdout] test xor::tests::test_refresh ... ok
[INFO] [stdout] test xor::tests::test_split_merge ... ok
[INFO] [stdout] test dhke::tests::test_dfke_handshake ... ok
[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] [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] [stderr]    Doc-tests doing_some_blockchain
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[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" "63fd14dc2ec04fad9562eba2e20bf9ed366290c642462927ecf45aa2a5d04220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fd14dc2ec04fad9562eba2e20bf9ed366290c642462927ecf45aa2a5d04220", kill_on_drop: false }`
[INFO] [stdout] 63fd14dc2ec04fad9562eba2e20bf9ed366290c642462927ecf45aa2a5d04220