[INFO] cloning repository https://github.com/Nazariglez/mini-blockchain-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nazariglez/mini-blockchain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 926de679a1e3473717aa6e741462894b9eee1de4 [INFO] testing Nazariglez/mini-blockchain-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nazariglez/mini-blockchain-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nazariglez/mini-blockchain-rs [INFO] finished tweaking git repo https://github.com/Nazariglez/mini-blockchain-rs [INFO] tweaked toml for git repo https://github.com/Nazariglez/mini-blockchain-rs written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Nazariglez/mini-blockchain-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b95dd14cad2d272165dbf31d0cfbbcdf6e0f46679d5430bb8b72b3f5a61d11a [INFO] running `Command { std: "docker" "start" "-a" "4b95dd14cad2d272165dbf31d0cfbbcdf6e0f46679d5430bb8b72b3f5a61d11a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b95dd14cad2d272165dbf31d0cfbbcdf6e0f46679d5430bb8b72b3f5a61d11a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b95dd14cad2d272165dbf31d0cfbbcdf6e0f46679d5430bb8b72b3f5a61d11a", kill_on_drop: false }` [INFO] [stdout] 4b95dd14cad2d272165dbf31d0cfbbcdf6e0f46679d5430bb8b72b3f5a61d11a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fcfb891faab8e2c3d6d3da514e719d98f20b15584694732372e997216f349e84 [INFO] running `Command { std: "docker" "start" "-a" "fcfb891faab8e2c3d6d3da514e719d98f20b15584694732372e997216f349e84", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling rand v0.3.22 [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:38:32 [INFO] [stdout] | [INFO] [stdout] 38 | 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 18.44s [INFO] running `Command { std: "docker" "inspect" "fcfb891faab8e2c3d6d3da514e719d98f20b15584694732372e997216f349e84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcfb891faab8e2c3d6d3da514e719d98f20b15584694732372e997216f349e84", kill_on_drop: false }` [INFO] [stdout] fcfb891faab8e2c3d6d3da514e719d98f20b15584694732372e997216f349e84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b674de7d80c6a660719ddba63a2e7e2d57b75fb94e0b63f86607a0b73d4abb0 [INFO] running `Command { std: "docker" "start" "-a" "0b674de7d80c6a660719ddba63a2e7e2d57b75fb94e0b63f86607a0b73d4abb0", 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:38:32 [INFO] [stdout] | [INFO] [stdout] 38 | 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 1.01s [INFO] running `Command { std: "docker" "inspect" "0b674de7d80c6a660719ddba63a2e7e2d57b75fb94e0b63f86607a0b73d4abb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b674de7d80c6a660719ddba63a2e7e2d57b75fb94e0b63f86607a0b73d4abb0", kill_on_drop: false }` [INFO] [stdout] 0b674de7d80c6a660719ddba63a2e7e2d57b75fb94e0b63f86607a0b73d4abb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 66949ea827cfdadd9f55e6010c1db978146dfa495093b9a6e7bc4034034814c3 [INFO] running `Command { std: "docker" "start" "-a" "66949ea827cfdadd9f55e6010c1db978146dfa495093b9a6e7bc4034034814c3", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:38:32 [INFO] [stderr] | [INFO] [stderr] 38 | 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 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchain-ea1e9a99a9a8600f) [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" "66949ea827cfdadd9f55e6010c1db978146dfa495093b9a6e7bc4034034814c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66949ea827cfdadd9f55e6010c1db978146dfa495093b9a6e7bc4034034814c3", kill_on_drop: false }` [INFO] [stdout] 66949ea827cfdadd9f55e6010c1db978146dfa495093b9a6e7bc4034034814c3