[INFO] fetching crate blockchain-base 0.1.0... [INFO] testing blockchain-base-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate blockchain-base 0.1.0 into /workspace/builds/worker-71/source [INFO] validating manifest of crates.io crate blockchain-base 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-71/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded commoncrypto v0.2.0 [INFO] [stderr] Downloaded commoncrypto-sys v0.2.0 [INFO] [stderr] Downloaded crypto-hash v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 951ef63b14abe7d15a4a06150cf01472c9031f42216a8c25f49badb033789943 [INFO] running `Command { std: "docker" "start" "-a" "951ef63b14abe7d15a4a06150cf01472c9031f42216a8c25f49badb033789943", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "951ef63b14abe7d15a4a06150cf01472c9031f42216a8c25f49badb033789943", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "951ef63b14abe7d15a4a06150cf01472c9031f42216a8c25f49badb033789943", kill_on_drop: false }` [INFO] [stdout] 951ef63b14abe7d15a4a06150cf01472c9031f42216a8c25f49badb033789943 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9833691551cd076668482a77e8ac1d465f56ac96cbc15193bfdce43cb8f8ece [INFO] running `Command { std: "docker" "start" "-a" "e9833691551cd076668482a77e8ac1d465f56ac96cbc15193bfdce43cb8f8ece", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.71 [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 9.25s [INFO] running `Command { std: "docker" "inspect" "e9833691551cd076668482a77e8ac1d465f56ac96cbc15193bfdce43cb8f8ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9833691551cd076668482a77e8ac1d465f56ac96cbc15193bfdce43cb8f8ece", kill_on_drop: false }` [INFO] [stdout] e9833691551cd076668482a77e8ac1d465f56ac96cbc15193bfdce43cb8f8ece [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e244fa8704eeafb5b75f9cf969953b500a0e8414e29e4a7af7470ce758c2eac [INFO] running `Command { std: "docker" "start" "-a" "9e244fa8704eeafb5b75f9cf969953b500a0e8414e29e4a7af7470ce758c2eac", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] [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 1.42s [INFO] running `Command { std: "docker" "inspect" "9e244fa8704eeafb5b75f9cf969953b500a0e8414e29e4a7af7470ce758c2eac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e244fa8704eeafb5b75f9cf969953b500a0e8414e29e4a7af7470ce758c2eac", kill_on_drop: false }` [INFO] [stdout] 9e244fa8704eeafb5b75f9cf969953b500a0e8414e29e4a7af7470ce758c2eac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 887858bf7a6cb46986edfd453fe4f6480d7fe4463f180b2c3e2ea91d02a0ddb2 [INFO] running `Command { std: "docker" "start" "-a" "887858bf7a6cb46986edfd453fe4f6480d7fe4463f180b2c3e2ea91d02a0ddb2", 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 [INFO] [stderr] warning: `blockchain-base` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchainblock-87ae79c5e0b82c44) [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::new (line 57) ... ok [INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock::check_value_inblock (line 114) ... ok [INFO] [stdout] test src/blockchainblock.rs - blockchainblock::BlockchainBlock::new (line 42) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "887858bf7a6cb46986edfd453fe4f6480d7fe4463f180b2c3e2ea91d02a0ddb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "887858bf7a6cb46986edfd453fe4f6480d7fe4463f180b2c3e2ea91d02a0ddb2", kill_on_drop: false }` [INFO] [stdout] 887858bf7a6cb46986edfd453fe4f6480d7fe4463f180b2c3e2ea91d02a0ddb2