[INFO] cloning repository https://github.com/annikoff/hmbc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/annikoff/hmbc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannikoff%2Fhmbc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannikoff%2Fhmbc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72f75e1920bc90f0f3aa1f01c3b3bd3b34664090
[INFO] testing annikoff/hmbc against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fannikoff%2Fhmbc" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/annikoff/hmbc on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/annikoff/hmbc
[INFO] finished tweaking git repo https://github.com/annikoff/hmbc
[INFO] tweaked toml for git repo https://github.com/annikoff/hmbc written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/annikoff/hmbc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ed7d26d4028142ad4b09e090e6adf797104857f1a622156a93e11d5fe6a6e2
[INFO] running `Command { std: "docker" "start" "-a" "f1ed7d26d4028142ad4b09e090e6adf797104857f1a622156a93e11d5fe6a6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ed7d26d4028142ad4b09e090e6adf797104857f1a622156a93e11d5fe6a6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ed7d26d4028142ad4b09e090e6adf797104857f1a622156a93e11d5fe6a6e2", kill_on_drop: false }`
[INFO] [stdout] f1ed7d26d4028142ad4b09e090e6adf797104857f1a622156a93e11d5fe6a6e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fe61d6f45374473ce7360ced16e2209bf75d3918b7d47ae5b5342607507f843
[INFO] running `Command { std: "docker" "start" "-a" "7fe61d6f45374473ce7360ced16e2209bf75d3918b7d47ae5b5342607507f843", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling hmbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `timestamp`
[INFO] [stdout]   --> src/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     timestamp: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/block.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `previous_hash`
[INFO] [stdout]   --> src/block.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     previous_hash: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/block.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `content`
[INFO] [stdout]   --> src/block.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     content: BlockContent,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/block.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `timestamp`
[INFO] [stdout]   --> src/block.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn timestamp(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `previous_hash`
[INFO] [stdout]   --> src/block.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn previous_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content`
[INFO] [stdout]   --> src/block.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn content(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `content`
[INFO] [stdout]  --> src/block_content.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     content: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `BlockContent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/block_content.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content`
[INFO] [stdout]   --> src/block_content.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn content(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `block`
[INFO] [stdout]   --> src/blockchain.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn block(&self, index: usize) -> Option<&Block> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/blockchain.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "7fe61d6f45374473ce7360ced16e2209bf75d3918b7d47ae5b5342607507f843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe61d6f45374473ce7360ced16e2209bf75d3918b7d47ae5b5342607507f843", kill_on_drop: false }`
[INFO] [stdout] 7fe61d6f45374473ce7360ced16e2209bf75d3918b7d47ae5b5342607507f843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d831bbfe63d93d6d8ec8ca329f3c210e4ca2344e93b25d54062829c841362b4f
[INFO] running `Command { std: "docker" "start" "-a" "d831bbfe63d93d6d8ec8ca329f3c210e4ca2344e93b25d54062829c841362b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hmbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `timestamp`
[INFO] [stdout]   --> src/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     timestamp: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/block.rs:7:10
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `timestamp`
[INFO] [stdout]   --> src/block.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn timestamp(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hmbc-a12bfb2ad43cab94)
[INFO] running `Command { std: "docker" "inspect" "d831bbfe63d93d6d8ec8ca329f3c210e4ca2344e93b25d54062829c841362b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d831bbfe63d93d6d8ec8ca329f3c210e4ca2344e93b25d54062829c841362b4f", kill_on_drop: false }`
[INFO] [stdout] d831bbfe63d93d6d8ec8ca329f3c210e4ca2344e93b25d54062829c841362b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f492ed1fdbbbe46fa7498c99b0d1da732cf6f04f0a02d0cad55135323e462426
[INFO] running `Command { std: "docker" "start" "-a" "f492ed1fdbbbe46fa7498c99b0d1da732cf6f04f0a02d0cad55135323e462426", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `timestamp`
[INFO] [stderr]   --> src/block.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     timestamp: i64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/block.rs:7:10
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Clone, Debug)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `timestamp`
[INFO] [stderr]   --> src/block.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn timestamp(&self) -> i64 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hmbc` (bin "hmbc" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hmbc-a12bfb2ad43cab94)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test block_content::tests::create_block_content ... ok
[INFO] [stdout] test block::tests::create_block ... ok
[INFO] [stdout] test blockchain::tests::create_blockchain_with_genesis_block ... ok
[INFO] [stdout] test blockchain::tests::create_block ... ok
[INFO] [stdout] test blockchain::tests::last_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f492ed1fdbbbe46fa7498c99b0d1da732cf6f04f0a02d0cad55135323e462426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f492ed1fdbbbe46fa7498c99b0d1da732cf6f04f0a02d0cad55135323e462426", kill_on_drop: false }`
[INFO] [stdout] f492ed1fdbbbe46fa7498c99b0d1da732cf6f04f0a02d0cad55135323e462426