[INFO] cloning repository https://github.com/dowoncha/blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dowoncha/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowoncha%2Fblockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowoncha%2Fblockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ff19cd4580e801c87e6f18dd61ff7e394cd5ce16 [INFO] testing dowoncha/blockchain 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%2Fdowoncha%2Fblockchain" "/workspace/builds/worker-59/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dowoncha/blockchain 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/dowoncha/blockchain [INFO] finished tweaking git repo https://github.com/dowoncha/blockchain [INFO] tweaked toml for git repo https://github.com/dowoncha/blockchain written to /workspace/builds/worker-59/source/Cargo.toml [INFO] crate git repo https://github.com/dowoncha/blockchain 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 345661a7cf4685a2ef8c13a92f989149fa1ccf20d56d7c0447adc8b54dfe2bb9 [INFO] running `Command { std: "docker" "start" "-a" "345661a7cf4685a2ef8c13a92f989149fa1ccf20d56d7c0447adc8b54dfe2bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "345661a7cf4685a2ef8c13a92f989149fa1ccf20d56d7c0447adc8b54dfe2bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "345661a7cf4685a2ef8c13a92f989149fa1ccf20d56d7c0447adc8b54dfe2bb9", kill_on_drop: false }` [INFO] [stdout] 345661a7cf4685a2ef8c13a92f989149fa1ccf20d56d7c0447adc8b54dfe2bb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 140d0b3e5b735b8e22548ca0932cb4e497fbc1aa6a7e37cc4255c5b55b3e0776 [INFO] running `Command { std: "docker" "start" "-a" "140d0b3e5b735b8e22548ca0932cb4e497fbc1aa6a7e37cc4255c5b55b3e0776", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `blocks` [INFO] [stdout] --> src/main.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn blocks(&self) -> &[Block] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | writeln!(f, "Block {} Hash: {}", index, block.hash()); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.97s [INFO] running `Command { std: "docker" "inspect" "140d0b3e5b735b8e22548ca0932cb4e497fbc1aa6a7e37cc4255c5b55b3e0776", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "140d0b3e5b735b8e22548ca0932cb4e497fbc1aa6a7e37cc4255c5b55b3e0776", kill_on_drop: false }` [INFO] [stdout] 140d0b3e5b735b8e22548ca0932cb4e497fbc1aa6a7e37cc4255c5b55b3e0776 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 05a12bb97cce3eccf34ed617c6243f984baed096a018fd7c678da6af0458d52a [INFO] running `Command { std: "docker" "start" "-a" "05a12bb97cce3eccf34ed617c6243f984baed096a018fd7c678da6af0458d52a", kill_on_drop: false }` [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `blocks` [INFO] [stdout] --> src/main.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn blocks(&self) -> &[Block] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | writeln!(f, "Block {} Hash: {}", index, block.hash()); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.11s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-a21a5304cd59b42d) [INFO] running `Command { std: "docker" "inspect" "05a12bb97cce3eccf34ed617c6243f984baed096a018fd7c678da6af0458d52a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05a12bb97cce3eccf34ed617c6243f984baed096a018fd7c678da6af0458d52a", kill_on_drop: false }` [INFO] [stdout] 05a12bb97cce3eccf34ed617c6243f984baed096a018fd7c678da6af0458d52a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 498853f3772f31bf58b4b4e936cb7c5687d4d0e64ac33f04c544a05c24e862cf [INFO] running `Command { std: "docker" "start" "-a" "498853f3772f31bf58b4b4e936cb7c5687d4d0e64ac33f04c544a05c24e862cf", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `blocks` [INFO] [stderr] --> src/main.rs:82:12 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn blocks(&self) -> &[Block] { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:131:13 [INFO] [stderr] | [INFO] [stderr] 131 | writeln!(f, "Block {} Hash: {}", index, block.hash()); [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] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-a21a5304cd59b42d) [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" "498853f3772f31bf58b4b4e936cb7c5687d4d0e64ac33f04c544a05c24e862cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "498853f3772f31bf58b4b4e936cb7c5687d4d0e64ac33f04c544a05c24e862cf", kill_on_drop: false }` [INFO] [stdout] 498853f3772f31bf58b4b4e936cb7c5687d4d0e64ac33f04c544a05c24e862cf