[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNazariglez%2Fmini-blockchain-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nazariglez/mini-blockchain-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-11/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cca9cfc466cc7250e93409ab5e8577b17da378c044133e81c93a2edb7b61bd2e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cca9cfc466cc7250e93409ab5e8577b17da378c044133e81c93a2edb7b61bd2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cca9cfc466cc7250e93409ab5e8577b17da378c044133e81c93a2edb7b61bd2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cca9cfc466cc7250e93409ab5e8577b17da378c044133e81c93a2edb7b61bd2e", kill_on_drop: false }` [INFO] [stdout] cca9cfc466cc7250e93409ab5e8577b17da378c044133e81c93a2edb7b61bd2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efe00a50d7fbfe2fd48cc2edf83e1d23907966023fab01104778d166d87b1ee9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "efe00a50d7fbfe2fd48cc2edf83e1d23907966023fab01104778d166d87b1ee9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling chrono v0.4.6 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.74s [INFO] running `Command { std: "docker" "inspect" "efe00a50d7fbfe2fd48cc2edf83e1d23907966023fab01104778d166d87b1ee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efe00a50d7fbfe2fd48cc2edf83e1d23907966023fab01104778d166d87b1ee9", kill_on_drop: false }` [INFO] [stdout] efe00a50d7fbfe2fd48cc2edf83e1d23907966023fab01104778d166d87b1ee9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67291d4fedfafc54d8ff2a679b9d84cc36b58c1c05a4e5ba1dfcd51c7faa706a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "67291d4fedfafc54d8ff2a679b9d84cc36b58c1c05a4e5ba1dfcd51c7faa706a", kill_on_drop: false }` [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "67291d4fedfafc54d8ff2a679b9d84cc36b58c1c05a4e5ba1dfcd51c7faa706a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67291d4fedfafc54d8ff2a679b9d84cc36b58c1c05a4e5ba1dfcd51c7faa706a", kill_on_drop: false }` [INFO] [stdout] 67291d4fedfafc54d8ff2a679b9d84cc36b58c1c05a4e5ba1dfcd51c7faa706a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fdbc80e2b863240560d9925fb3b00e41bb48d80a1bddeb74e831cb725090bc5d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fdbc80e2b863240560d9925fb3b00e41bb48d80a1bddeb74e831cb725090bc5d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:38:32 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 38 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blockchain-4568a8da071522b4) [INFO] running `Command { std: "docker" "inspect" "fdbc80e2b863240560d9925fb3b00e41bb48d80a1bddeb74e831cb725090bc5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdbc80e2b863240560d9925fb3b00e41bb48d80a1bddeb74e831cb725090bc5d", kill_on_drop: false }` [INFO] [stdout] fdbc80e2b863240560d9925fb3b00e41bb48d80a1bddeb74e831cb725090bc5d