[INFO] cloning repository https://github.com/arthurkeeng/blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurkeeng/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Fblockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Fblockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d614ba0e36b3003c54dcb6e1d06c90829a27ce5d [INFO] building arthurkeeng/blockchain against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurkeeng%2Fblockchain" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/arthurkeeng/blockchain [INFO] finished tweaking git repo https://github.com/arthurkeeng/blockchain [INFO] tweaked toml for git repo https://github.com/arthurkeeng/blockchain written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/arthurkeeng/blockchain on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/arthurkeeng/blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded synstructure v0.12.6 [INFO] [stderr] Downloaded merkle-cbt v0.3.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.87 [INFO] [stderr] Downloaded bitcoincash-addr v0.5.2 [INFO] [stderr] Downloaded bitcoin_hashes v0.7.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb94f6ece1b845cd81408ed5ea37f1dc54c6b4f6f836556aea487b6c9ba4bb09 [INFO] running `Command { std: "docker" "start" "-a" "eb94f6ece1b845cd81408ed5ea37f1dc54c6b4f6f836556aea487b6c9ba4bb09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb94f6ece1b845cd81408ed5ea37f1dc54c6b4f6f836556aea487b6c9ba4bb09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb94f6ece1b845cd81408ed5ea37f1dc54c6b4f6f836556aea487b6c9ba4bb09", kill_on_drop: false }` [INFO] [stdout] eb94f6ece1b845cd81408ed5ea37f1dc54c6b4f6f836556aea487b6c9ba4bb09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2c29ba3a831383de323062ba7a6eb8008b3b1f3d0e047ac667a994795f222d2 [INFO] running `Command { std: "docker" "start" "-a" "b2c29ba3a831383de323062ba7a6eb8008b3b1f3d0e047ac667a994795f222d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling proc-macro2 v1.0.87 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling anstyle-parse v0.2.5 [INFO] [stderr] Compiling anstyle-query v1.1.1 [INFO] [stderr] Compiling colorchoice v1.0.2 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling regex-automata v0.4.8 [INFO] [stderr] Compiling miniz_oxide v0.8.0 [INFO] [stderr] Compiling object v0.36.5 [INFO] [stderr] Compiling anstream v0.6.15 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling clap_lex v0.7.2 [INFO] [stderr] Compiling clap_builder v4.5.20 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling is-terminal v0.4.13 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling cpufeatures v0.2.14 [INFO] [stderr] Compiling rustc-serialize v0.3.25 [INFO] [stderr] Compiling bitcoin_hashes v0.7.6 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling sled v0.34.7 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling backtrace v0.3.74 [INFO] [stderr] Compiling regex v1.11.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling env_logger v0.10.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling bitcoincash-addr v0.5.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling clap v4.5.20 [INFO] [stderr] Compiling merkle-cbt v0.3.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/block.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Block{ [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | height : usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | b.add_block("data1".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 7 | let _ = b.add_block("data1".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | b.add_block("data2".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = b.add_block("data2".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | b.add_block("data3".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = b.add_block("data3".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `Command { std: "docker" "inspect" "b2c29ba3a831383de323062ba7a6eb8008b3b1f3d0e047ac667a994795f222d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2c29ba3a831383de323062ba7a6eb8008b3b1f3d0e047ac667a994795f222d2", kill_on_drop: false }` [INFO] [stdout] b2c29ba3a831383de323062ba7a6eb8008b3b1f3d0e047ac667a994795f222d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22633a78369e8cf874aa644b79ad960be9c87823a43e7e3b2325746f88f9308d [INFO] running `Command { std: "docker" "start" "-a" "22633a78369e8cf874aa644b79ad960be9c87823a43e7e3b2325746f88f9308d", kill_on_drop: false }` [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/block.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Block{ [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | height : usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | b.add_block("data1".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 7 | let _ = b.add_block("data1".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | b.add_block("data2".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = b.add_block("data2".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | b.add_block("data3".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = b.add_block("data3".to_string()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "22633a78369e8cf874aa644b79ad960be9c87823a43e7e3b2325746f88f9308d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22633a78369e8cf874aa644b79ad960be9c87823a43e7e3b2325746f88f9308d", kill_on_drop: false }` [INFO] [stdout] 22633a78369e8cf874aa644b79ad960be9c87823a43e7e3b2325746f88f9308d