[INFO] cloning repository https://github.com/ParkerKemp/blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ParkerKemp/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerKemp%2Fblockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerKemp%2Fblockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6be18bb8e11eedff6e0fc7896eef981b52a07c5c [INFO] testing ParkerKemp/blockchain against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkerKemp%2Fblockchain" "/workspace/builds/worker-69/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkerKemp/blockchain on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ParkerKemp/blockchain [INFO] finished tweaking git repo https://github.com/ParkerKemp/blockchain [INFO] tweaked toml for git repo https://github.com/ParkerKemp/blockchain written to /workspace/builds/worker-69/source/Cargo.toml [INFO] crate git repo https://github.com/ParkerKemp/blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded generic-array v0.3.2 [INFO] [stderr] Downloaded bit-array v0.4.4 [INFO] [stderr] Downloaded hashlink v0.7.0 [INFO] [stderr] Downloaded pkg-config v0.3.20 [INFO] [stderr] Downloaded rusqlite v0.26.1 [INFO] [stderr] Downloaded libsqlite3-sys v0.23.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6260c23647a292da3f19d3c01059767a7d47201e9adee18c61bc502d176dd355 [INFO] running `Command { std: "docker" "start" "-a" "6260c23647a292da3f19d3c01059767a7d47201e9adee18c61bc502d176dd355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6260c23647a292da3f19d3c01059767a7d47201e9adee18c61bc502d176dd355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6260c23647a292da3f19d3c01059767a7d47201e9adee18c61bc502d176dd355", kill_on_drop: false }` [INFO] [stdout] 6260c23647a292da3f19d3c01059767a7d47201e9adee18c61bc502d176dd355 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8b201df18aac7a1c378fd5d839eec713d58f7032b151611b5f22b2a993a6968 [INFO] running `Command { std: "docker" "start" "-a" "a8b201df18aac7a1c378fd5d839eec713d58f7032b151611b5f22b2a993a6968", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling cc v1.0.71 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.20 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling fallible-iterator v0.2.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling cpufeatures v0.2.1 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling fallible-streaming-iterator v0.1.9 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling ahash v0.7.6 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling libsqlite3-sys v0.23.1 [INFO] [stderr] Compiling generic-array v0.3.2 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling bit-array v0.4.4 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling hashlink v0.7.0 [INFO] [stderr] Compiling rusqlite v0.26.1 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | block_chain.guess_next_block(); [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 21 | [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent_block` [INFO] [stdout] --> src/block_chain.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn verify_block(parent_block: Option<&Block>, block: Option<&Block>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/block_chain.rs:151:17 [INFO] [stdout] | [INFO] [stdout] 151 | next.save(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.08s [INFO] running `Command { std: "docker" "inspect" "a8b201df18aac7a1c378fd5d839eec713d58f7032b151611b5f22b2a993a6968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8b201df18aac7a1c378fd5d839eec713d58f7032b151611b5f22b2a993a6968", kill_on_drop: false }` [INFO] [stdout] a8b201df18aac7a1c378fd5d839eec713d58f7032b151611b5f22b2a993a6968 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4247120b7e3be3f35b7264bd9d2c12ab48ea744968cd882bf03edb6057e8784f [INFO] running `Command { std: "docker" "start" "-a" "4247120b7e3be3f35b7264bd9d2c12ab48ea744968cd882bf03edb6057e8784f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 18 | / loop { [INFO] [stdout] 19 | | block_chain.guess_next_block(); [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 21 | [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent_block` [INFO] [stdout] --> src/block_chain.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn verify_block(parent_block: Option<&Block>, block: Option<&Block>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_block` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/block_chain.rs:151:17 [INFO] [stdout] | [INFO] [stdout] 151 | next.save(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.34s [INFO] running `Command { std: "docker" "inspect" "4247120b7e3be3f35b7264bd9d2c12ab48ea744968cd882bf03edb6057e8784f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4247120b7e3be3f35b7264bd9d2c12ab48ea744968cd882bf03edb6057e8784f", kill_on_drop: false }` [INFO] [stdout] 4247120b7e3be3f35b7264bd9d2c12ab48ea744968cd882bf03edb6057e8784f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 751003e9183e51412758db7b3b584ec241a4d85f55ba5de43a2d454e1204c007 [INFO] running `Command { std: "docker" "start" "-a" "751003e9183e51412758db7b3b584ec241a4d85f55ba5de43a2d454e1204c007", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 18 | / loop { [INFO] [stderr] 19 | | block_chain.guess_next_block(); [INFO] [stderr] 20 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 21 | [INFO] [stderr] 22 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `parent_block` [INFO] [stderr] --> src/block_chain.rs:76:25 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn verify_block(parent_block: Option<&Block>, block: Option<&Block>) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_block` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/block_chain.rs:151:17 [INFO] [stderr] | [INFO] [stderr] 151 | next.save(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchain-df884d07dbbdab15) [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] running `Command { std: "docker" "inspect" "751003e9183e51412758db7b3b584ec241a4d85f55ba5de43a2d454e1204c007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "751003e9183e51412758db7b3b584ec241a4d85f55ba5de43a2d454e1204c007", kill_on_drop: false }` [INFO] [stdout] 751003e9183e51412758db7b3b584ec241a4d85f55ba5de43a2d454e1204c007