[INFO] cloning repository https://github.com/Valentine-Mario/blockcain_implementation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Valentine-Mario/blockcain_implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fblockcain_implementation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fblockcain_implementation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5d020f788cb2a02ee66c76e81a858b295f3d8cd [INFO] testing Valentine-Mario/blockcain_implementation against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValentine-Mario%2Fblockcain_implementation" "/workspace/builds/worker-55/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Valentine-Mario/blockcain_implementation on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Valentine-Mario/blockcain_implementation [INFO] finished tweaking git repo https://github.com/Valentine-Mario/blockcain_implementation [INFO] tweaked toml for git repo https://github.com/Valentine-Mario/blockcain_implementation written to /workspace/builds/worker-55/source/Cargo.toml [INFO] crate git repo https://github.com/Valentine-Mario/blockcain_implementation already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2507b0e80efb6b6c56c96319faff283a6efb27f6db7e947c6db8bf6be3b43985 [INFO] running `Command { std: "docker" "start" "-a" "2507b0e80efb6b6c56c96319faff283a6efb27f6db7e947c6db8bf6be3b43985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2507b0e80efb6b6c56c96319faff283a6efb27f6db7e947c6db8bf6be3b43985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2507b0e80efb6b6c56c96319faff283a6efb27f6db7e947c6db8bf6be3b43985", kill_on_drop: false }` [INFO] [stdout] 2507b0e80efb6b6c56c96319faff283a6efb27f6db7e947c6db8bf6be3b43985 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70276abcd17a68b302048957bb411dba35aa32eccb8540d9af3411f89ded81bb [INFO] running `Command { std: "docker" "start" "-a" "70276abcd17a68b302048957bb411dba35aa32eccb8540d9af3411f89ded81bb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling chrono v0.4.18 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:129:32 [INFO] [stdout] | [INFO] [stdout] 129 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "70276abcd17a68b302048957bb411dba35aa32eccb8540d9af3411f89ded81bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70276abcd17a68b302048957bb411dba35aa32eccb8540d9af3411f89ded81bb", kill_on_drop: false }` [INFO] [stdout] 70276abcd17a68b302048957bb411dba35aa32eccb8540d9af3411f89ded81bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3bdb25272419dfd1e9b5e265d2d50eca8d90ea7e0579d27ffc0d6c06df82c7b [INFO] running `Command { std: "docker" "start" "-a" "a3bdb25272419dfd1e9b5e265d2d50eca8d90ea7e0579d27ffc0d6c06df82c7b", 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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:129:32 [INFO] [stdout] | [INFO] [stdout] 129 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `Command { std: "docker" "inspect" "a3bdb25272419dfd1e9b5e265d2d50eca8d90ea7e0579d27ffc0d6c06df82c7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3bdb25272419dfd1e9b5e265d2d50eca8d90ea7e0579d27ffc0d6c06df82c7b", kill_on_drop: false }` [INFO] [stdout] a3bdb25272419dfd1e9b5e265d2d50eca8d90ea7e0579d27ffc0d6c06df82c7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4a89398f064a1a22a37cd03c5e54f769990a355477543e813cc7397ab15d43f7 [INFO] running `Command { std: "docker" "start" "-a" "4a89398f064a1a22a37cd03c5e54f769990a355477543e813cc7397ab15d43f7", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:129:32 [INFO] [stderr] | [INFO] [stderr] 129 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchain-55ca2222eddfe6f5) [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" "4a89398f064a1a22a37cd03c5e54f769990a355477543e813cc7397ab15d43f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a89398f064a1a22a37cd03c5e54f769990a355477543e813cc7397ab15d43f7", kill_on_drop: false }` [INFO] [stdout] 4a89398f064a1a22a37cd03c5e54f769990a355477543e813cc7397ab15d43f7