[INFO] cloning repository https://github.com/Wafelack/somegrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wafelack/somegrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWafelack%2Fsomegrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWafelack%2Fsomegrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 881fd67e84d9128584ae8d2e721f362cbf3e2455
[INFO] testing Wafelack/somegrep against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWafelack%2Fsomegrep" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wafelack/somegrep on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wafelack/somegrep
[INFO] finished tweaking git repo https://github.com/Wafelack/somegrep
[INFO] tweaked toml for git repo https://github.com/Wafelack/somegrep written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Wafelack/somegrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6ff4bc9648f12cb012bdd831feecd6f5e7c828892049839581b731f4f20ca5d
[INFO] running `Command { std: "docker" "start" "-a" "d6ff4bc9648f12cb012bdd831feecd6f5e7c828892049839581b731f4f20ca5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6ff4bc9648f12cb012bdd831feecd6f5e7c828892049839581b731f4f20ca5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ff4bc9648f12cb012bdd831feecd6f5e7c828892049839581b731f4f20ca5d", kill_on_drop: false }`
[INFO] [stdout] d6ff4bc9648f12cb012bdd831feecd6f5e7c828892049839581b731f4f20ca5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fa5138fb90f5b024e2ef6199e7ec4cd33102d103b7888a586b15341ae7eaefe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0fa5138fb90f5b024e2ef6199e7ec4cd33102d103b7888a586b15341ae7eaefe", kill_on_drop: false }`
[INFO] [stderr]    Compiling some_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "0fa5138fb90f5b024e2ef6199e7ec4cd33102d103b7888a586b15341ae7eaefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa5138fb90f5b024e2ef6199e7ec4cd33102d103b7888a586b15341ae7eaefe", kill_on_drop: false }`
[INFO] [stdout] 0fa5138fb90f5b024e2ef6199e7ec4cd33102d103b7888a586b15341ae7eaefe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f71b0b65f98cdcc57897967e27bf0454bff4dca91867cd98203af571dcf210
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "99f71b0b65f98cdcc57897967e27bf0454bff4dca91867cd98203af571dcf210", kill_on_drop: false }`
[INFO] [stderr]    Compiling some_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "99f71b0b65f98cdcc57897967e27bf0454bff4dca91867cd98203af571dcf210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f71b0b65f98cdcc57897967e27bf0454bff4dca91867cd98203af571dcf210", kill_on_drop: false }`
[INFO] [stdout] 99f71b0b65f98cdcc57897967e27bf0454bff4dca91867cd98203af571dcf210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 839e029efd0ff92e972f6daff80397f525a25fcf7dcb09d418605040206ac236
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "839e029efd0ff92e972f6daff80397f525a25fcf7dcb09d418605040206ac236", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/some_blockchain-57b62a5d6eadbac5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::hashes ... ok
[INFO] [stdout] [
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 0,
[INFO] [stdout]     "Timestamp": "2021-01-06 02:16:40.505657072 UTC",
[INFO] [stdout]     "Data": [],
[INFO] [stdout]     "Hash": "",
[INFO] [stdout]     "PrevHash": ""
[INFO] [stdout]   },
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 1,
[INFO] [stdout]     "Timestamp": "2021-01-06 02:16:40.505676472 UTC",
[INFO] [stdout]     "Data": [72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 32, 33],
[INFO] [stdout]     "Hash": "0fac3589b5b11061817f49ded2678c3d48059219c249c2e7babefc4cedb33de2",
[INFO] [stdout]     "PrevHash": ""
[INFO] [stdout]   },
[INFO] [stdout]   {
[INFO] [stdout]     "Index": 2,
[INFO] [stdout]     "Timestamp": "2021-01-06 02:16:40.506102581 UTC",
[INFO] [stdout]     "Data": [71, 111, 111, 100, 98, 121, 101, 32, 33],
[INFO] [stdout]     "Hash": "0c7fc210ad470a0d6d50306359c77eba6206f876bfe9d50e5d0ea2d2bfc0d237",
[INFO] [stdout]     "PrevHash": "0fac3589b5b11061817f49ded2678c3d48059219c249c2e7babefc4cedb33de2"
[INFO] [stdout]   }
[INFO] [stdout] ]
[INFO] [stderr]    Doc-tests some_blockchain
[INFO] [stdout] test test::display ... ok
[INFO] [stdout] test test::validation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "839e029efd0ff92e972f6daff80397f525a25fcf7dcb09d418605040206ac236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839e029efd0ff92e972f6daff80397f525a25fcf7dcb09d418605040206ac236", kill_on_drop: false }`
[INFO] [stdout] 839e029efd0ff92e972f6daff80397f525a25fcf7dcb09d418605040206ac236