[INFO] cloning repository https://github.com/tanmay261/first_rust_blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tanmay261/first_rust_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmay261%2Ffirst_rust_blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmay261%2Ffirst_rust_blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] daefbdeb77407edccfe3698688811ea7b4d5c530 [INFO] testing tanmay261/first_rust_blockchain against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmay261%2Ffirst_rust_blockchain" "/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/tanmay261/first_rust_blockchain [INFO] finished tweaking git repo https://github.com/tanmay261/first_rust_blockchain [INFO] tweaked toml for git repo https://github.com/tanmay261/first_rust_blockchain written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tanmay261/first_rust_blockchain on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tanmay261/first_rust_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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d95e1a8b883f11dea03ee7161ccd6ab4c4b2e53f772dd8f6e4bb421f51ab8c4d [INFO] running `Command { std: "docker" "start" "-a" "d95e1a8b883f11dea03ee7161ccd6ab4c4b2e53f772dd8f6e4bb421f51ab8c4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d95e1a8b883f11dea03ee7161ccd6ab4c4b2e53f772dd8f6e4bb421f51ab8c4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d95e1a8b883f11dea03ee7161ccd6ab4c4b2e53f772dd8f6e4bb421f51ab8c4d", kill_on_drop: false }` [INFO] [stdout] d95e1a8b883f11dea03ee7161ccd6ab4c4b2e53f772dd8f6e4bb421f51ab8c4d [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] be4d9deedbcfcb46cd5ebda7a8f965f2d7bc8cdc57ff8bfb848acc08b5975405 [INFO] running `Command { std: "docker" "start" "-a" "be4d9deedbcfcb46cd5ebda7a8f965f2d7bc8cdc57ff8bfb848acc08b5975405", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling iana-time-zone v0.1.57 [INFO] [stderr] Compiling cpufeatures v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling chrono v0.4.26 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling sha2 v0.10.6 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Compiling first_rust_blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/models/block.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | index: u64, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `previous_hash` [INFO] [stdout] --> src/models/block.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | previous_hash: String, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_hash` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/models/block.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | let mut block = Block { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/models/blockchain.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut genesis_block = Block { [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `genesis_block` is never read [INFO] [stdout] --> src/models/blockchain.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Blockchain { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 12 | // The first block to be added to the chain. [INFO] [stdout] 13 | pub genesis_block: Block, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Blockchain` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.81s [INFO] running `Command { std: "docker" "inspect" "be4d9deedbcfcb46cd5ebda7a8f965f2d7bc8cdc57ff8bfb848acc08b5975405", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be4d9deedbcfcb46cd5ebda7a8f965f2d7bc8cdc57ff8bfb848acc08b5975405", kill_on_drop: false }` [INFO] [stdout] be4d9deedbcfcb46cd5ebda7a8f965f2d7bc8cdc57ff8bfb848acc08b5975405 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] c7ea993e685915435263ad9e3fb8afef3b6e2e7acc07cb9dc02c0896dcae4bab [INFO] running `Command { std: "docker" "start" "-a" "c7ea993e685915435263ad9e3fb8afef3b6e2e7acc07cb9dc02c0896dcae4bab", kill_on_drop: false }` [INFO] [stderr] Compiling first_rust_blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/models/block.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | index: u64, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `previous_hash` [INFO] [stdout] --> src/models/block.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | previous_hash: String, [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_hash` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/models/block.rs:32:11 [INFO] [stdout] | [INFO] [stdout] 32 | let mut block = Block { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/models/blockchain.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let mut genesis_block = Block { [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `genesis_block` is never read [INFO] [stdout] --> src/models/blockchain.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Blockchain { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 12 | // The first block to be added to the chain. [INFO] [stdout] 13 | pub genesis_block: Block, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Blockchain` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "c7ea993e685915435263ad9e3fb8afef3b6e2e7acc07cb9dc02c0896dcae4bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7ea993e685915435263ad9e3fb8afef3b6e2e7acc07cb9dc02c0896dcae4bab", kill_on_drop: false }` [INFO] [stdout] c7ea993e685915435263ad9e3fb8afef3b6e2e7acc07cb9dc02c0896dcae4bab [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fd885740c4145dd0d0261ba013bf0491e38ddf74c4a6ca4faee296293caf9b4c [INFO] running `Command { std: "docker" "start" "-a" "fd885740c4145dd0d0261ba013bf0491e38ddf74c4a6ca4faee296293caf9b4c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/models/block.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | index: u64, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `previous_hash` [INFO] [stderr] --> src/models/block.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | previous_hash: String, [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_hash` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/models/block.rs:32:11 [INFO] [stderr] | [INFO] [stderr] 32 | let mut block = Block { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/models/blockchain.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let mut genesis_block = Block { [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field `genesis_block` is never read [INFO] [stderr] --> src/models/blockchain.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Blockchain { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 12 | // The first block to be added to the chain. [INFO] [stderr] 13 | pub genesis_block: Block, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Blockchain` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `first_rust_blockchain` (bin "first_rust_blockchain" test) generated 5 warnings (run `cargo fix --bin "first_rust_blockchain" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/first_rust_blockchain-a930d180340a81f4) [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" "fd885740c4145dd0d0261ba013bf0491e38ddf74c4a6ca4faee296293caf9b4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd885740c4145dd0d0261ba013bf0491e38ddf74c4a6ca4faee296293caf9b4c", kill_on_drop: false }` [INFO] [stdout] fd885740c4145dd0d0261ba013bf0491e38ddf74c4a6ca4faee296293caf9b4c