[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] building tanmay261/first_rust_blockchain/daefbdeb77407edccfe3698688811ea7b4d5c530 against master#9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19 for pr-117684 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmay261%2Ffirst_rust_blockchain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tanmay261/first_rust_blockchain on toolchain 9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5de1f4f4e11f322bd87640fa40debdc227da5e3f21b61b73e3b7b588a85ac072 [INFO] running `Command { std: "docker" "start" "-a" "5de1f4f4e11f322bd87640fa40debdc227da5e3f21b61b73e3b7b588a85ac072", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5de1f4f4e11f322bd87640fa40debdc227da5e3f21b61b73e3b7b588a85ac072", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5de1f4f4e11f322bd87640fa40debdc227da5e3f21b61b73e3b7b588a85ac072", kill_on_drop: false }` [INFO] [stdout] 5de1f4f4e11f322bd87640fa40debdc227da5e3f21b61b73e3b7b588a85ac072 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 486b34d83c3408b3d8ff82144c123196b87a0318bfdc16d7c01bc6c77e850fa6 [INFO] running `Command { std: "docker" "start" "-a" "486b34d83c3408b3d8ff82144c123196b87a0318bfdc16d7c01bc6c77e850fa6", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling iana-time-zone v0.1.57 [INFO] [stderr] Compiling cpufeatures v0.2.7 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling chrono v0.4.26 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling crypto-common v0.1.6 [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.17s [INFO] running `Command { std: "docker" "inspect" "486b34d83c3408b3d8ff82144c123196b87a0318bfdc16d7c01bc6c77e850fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "486b34d83c3408b3d8ff82144c123196b87a0318bfdc16d7c01bc6c77e850fa6", kill_on_drop: false }` [INFO] [stdout] 486b34d83c3408b3d8ff82144c123196b87a0318bfdc16d7c01bc6c77e850fa6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7881410d7f4aadc2f88ad740cc853d60e12227c86671d34e3fd97729faec8616 [INFO] running `Command { std: "docker" "start" "-a" "7881410d7f4aadc2f88ad740cc853d60e12227c86671d34e3fd97729faec8616", 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "7881410d7f4aadc2f88ad740cc853d60e12227c86671d34e3fd97729faec8616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7881410d7f4aadc2f88ad740cc853d60e12227c86671d34e3fd97729faec8616", kill_on_drop: false }` [INFO] [stdout] 7881410d7f4aadc2f88ad740cc853d60e12227c86671d34e3fd97729faec8616