[INFO] fetching crate blockchain-base 0.1.0...
[INFO] testing blockchain-base-0.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate blockchain-base 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate blockchain-base 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blockchain-base 0.1.0
[INFO] finished tweaking crates.io crate blockchain-base 0.1.0
[INFO] tweaked toml for crates.io crate blockchain-base 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39b26409ac04bb577e2d16db0b935085551711dc7990157f81266e3eb1b87945
[INFO] running `Command { std: "docker" "start" "-a" "39b26409ac04bb577e2d16db0b935085551711dc7990157f81266e3eb1b87945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b26409ac04bb577e2d16db0b935085551711dc7990157f81266e3eb1b87945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b26409ac04bb577e2d16db0b935085551711dc7990157f81266e3eb1b87945", kill_on_drop: false }`
[INFO] [stdout] 39b26409ac04bb577e2d16db0b935085551711dc7990157f81266e3eb1b87945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1313c790bab73d4c81eca19b31dbe9fb5118690e0c11a5c184e24ca64e3889e7
[INFO] running `Command { std: "docker" "start" "-a" "1313c790bab73d4c81eca19b31dbe9fb5118690e0c11a5c184e24ca64e3889e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling blockchain-base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/blockchainblock.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         &self.curr_hash.copy_from_slice(&digest);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let _ = &self.curr_hash.copy_from_slice(&digest);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "1313c790bab73d4c81eca19b31dbe9fb5118690e0c11a5c184e24ca64e3889e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1313c790bab73d4c81eca19b31dbe9fb5118690e0c11a5c184e24ca64e3889e7", kill_on_drop: false }`
[INFO] [stdout] 1313c790bab73d4c81eca19b31dbe9fb5118690e0c11a5c184e24ca64e3889e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 592001a5b57f718e1da2a1c7ece1aef392b3f1b81cd2e79b0d61c474236e0492
[INFO] running `Command { std: "docker" "start" "-a" "592001a5b57f718e1da2a1c7ece1aef392b3f1b81cd2e79b0d61c474236e0492", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/blockchainblock.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         &self.curr_hash.copy_from_slice(&digest);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let _ = &self.curr_hash.copy_from_slice(&digest);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling blockchain-base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/blockchainblock.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         &self.curr_hash.copy_from_slice(&digest);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let _ = &self.curr_hash.copy_from_slice(&digest);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "592001a5b57f718e1da2a1c7ece1aef392b3f1b81cd2e79b0d61c474236e0492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592001a5b57f718e1da2a1c7ece1aef392b3f1b81cd2e79b0d61c474236e0492", kill_on_drop: false }`
[INFO] [stdout] 592001a5b57f718e1da2a1c7ece1aef392b3f1b81cd2e79b0d61c474236e0492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0e4584bcc9ff15642a9b46cb3a16a27e68fe45e890649610429f148eead7159
[INFO] running `Command { std: "docker" "start" "-a" "e0e4584bcc9ff15642a9b46cb3a16a27e68fe45e890649610429f148eead7159", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/blockchainblock.rs:252:9
[INFO] [stderr]     |
[INFO] [stderr] 252 |         &self.curr_hash.copy_from_slice(&digest);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 252 |         let _ = &self.curr_hash.copy_from_slice(&digest);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain-base` (lib) generated 1 warning (run `cargo fix --lib -p blockchain-base` to apply 1 suggestion)
[INFO] [stderr] warning: `blockchain-base` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blockchainblock-d2ba054c7cf9953b)
[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] [stderr]    Doc-tests blockchainblock
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock<'a,T>::new (line 57) ... ok
[INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock<'a,T>::check_value_inblock (line 114) ... ok
[INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock<'a,T>::new (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0e4584bcc9ff15642a9b46cb3a16a27e68fe45e890649610429f148eead7159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e4584bcc9ff15642a9b46cb3a16a27e68fe45e890649610429f148eead7159", kill_on_drop: false }`
[INFO] [stdout] e0e4584bcc9ff15642a9b46cb3a16a27e68fe45e890649610429f148eead7159
