[INFO] cloning repository https://github.com/rllola/dogecoin-miner-rust
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[INFO] [stdout] ca2b671648b634a26bd4d8156db17f2dd4e0843f
[INFO] testing rllola/dogecoin-miner-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frllola%2Fdogecoin-miner-rust" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rllola/dogecoin-miner-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
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[INFO] started tweaking git repo https://github.com/rllola/dogecoin-miner-rust
[INFO] finished tweaking git repo https://github.com/rllola/dogecoin-miner-rust
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[INFO] crate git repo https://github.com/rllola/dogecoin-miner-rust already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling miner-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dogecoin_coinbase_txid`
[INFO] [stdout]    --> src/miner.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let dogecoin_coinbase_txid = double_hash_256(&dogecoin_coinbase_tx);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dogecoin_coinbase_txid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut dogecoin_sha256_hash = hex::decode(&dogecoin_aux_block_template["result"]["hash"].as_str().unwrap()).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.09s
[INFO] running `Command { std: "docker" "inspect" "85b3cb13f9f69737f789daa8988ad9df25918eddeca11dde21dd4684169e8028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b3cb13f9f69737f789daa8988ad9df25918eddeca11dde21dd4684169e8028", kill_on_drop: false }`
[INFO] [stdout] 85b3cb13f9f69737f789daa8988ad9df25918eddeca11dde21dd4684169e8028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 049b8f44943fa2e3e03ff63df777db8f026a7f5c322b7a52472f4c009c7fd0de
[INFO] running `Command { std: "docker" "start" "-a" "049b8f44943fa2e3e03ff63df777db8f026a7f5c322b7a52472f4c009c7fd0de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling miner-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dogecoin_coinbase_txid`
[INFO] [stdout]    --> src/miner.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let dogecoin_coinbase_txid = double_hash_256(&dogecoin_coinbase_tx);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dogecoin_coinbase_txid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut dogecoin_sha256_hash = hex::decode(&dogecoin_aux_block_template["result"]["hash"].as_str().unwrap()).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:284:13
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut coinbase_merkle_links = coinbase_merkle_links(&merkle_tree);
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "049b8f44943fa2e3e03ff63df777db8f026a7f5c322b7a52472f4c009c7fd0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049b8f44943fa2e3e03ff63df777db8f026a7f5c322b7a52472f4c009c7fd0de", kill_on_drop: false }`
[INFO] [stdout] 049b8f44943fa2e3e03ff63df777db8f026a7f5c322b7a52472f4c009c7fd0de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e813dd1c48487661f3b113977c68722efc7e1a54a2a505cf5fd17b36d95af631
[INFO] running `Command { std: "docker" "start" "-a" "e813dd1c48487661f3b113977c68722efc7e1a54a2a505cf5fd17b36d95af631", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dogecoin_coinbase_txid`
[INFO] [stderr]    --> src/miner.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let dogecoin_coinbase_txid = double_hash_256(&dogecoin_coinbase_tx);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dogecoin_coinbase_txid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/miner.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut dogecoin_sha256_hash = hex::decode(&dogecoin_aux_block_template["result"]["hash"].as_str().unwrap()).unwrap();
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/utils.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |         let mut coinbase_merkle_links = coinbase_merkle_links(&merkle_tree);
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `miner-rust` (bin "miner-rust" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miner_rust-396de4a86b379d89)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test utils::tests::test_calculate_merkle_root ... ok
[INFO] [stdout] test utils::tests::test_calculate_merkle_root_4 ... ok
[INFO] [stdout] test utils::tests::test_calculate_merkle_root_3 ... ok
[INFO] [stdout] test utils::tests::test_calculate_merkle_root_2 ... ok
[INFO] [stdout] test utils::tests::test_calculate_txid ... ok
[INFO] [stdout] test utils::tests::test_coinbase_merkle_links ... ok
[INFO] [stdout] test utils::tests::test_scrypt_hasher ... ok
[INFO] [stdout] test utils::tests::test_scrypt_hasher_3 ... ok
[INFO] [stdout] test utils::tests::test_scrypt_hasher_4 ... ok
[INFO] [stdout] test utils::tests::test_scrypt_hasher_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e813dd1c48487661f3b113977c68722efc7e1a54a2a505cf5fd17b36d95af631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e813dd1c48487661f3b113977c68722efc7e1a54a2a505cf5fd17b36d95af631", kill_on_drop: false }`
[INFO] [stdout] e813dd1c48487661f3b113977c68722efc7e1a54a2a505cf5fd17b36d95af631