[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] checking tanmay261/first_rust_blockchain against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmay261%2Ffirst_rust_blockchain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tanmay261/first_rust_blockchain on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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-2-tc2/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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking tanmay261/first_rust_blockchain against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanmay261%2Ffirst_rust_blockchain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tanmay261/first_rust_blockchain on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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-2-tc2/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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc538dc6bd8cfc6d08f6cbf6841cdecc802f48ba1f05c06fbfc885868ad6eb1f [INFO] running `Command { std: "docker" "start" "-a" "cc538dc6bd8cfc6d08f6cbf6841cdecc802f48ba1f05c06fbfc885868ad6eb1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc538dc6bd8cfc6d08f6cbf6841cdecc802f48ba1f05c06fbfc885868ad6eb1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc538dc6bd8cfc6d08f6cbf6841cdecc802f48ba1f05c06fbfc885868ad6eb1f", kill_on_drop: false }` [INFO] [stdout] cc538dc6bd8cfc6d08f6cbf6841cdecc802f48ba1f05c06fbfc885868ad6eb1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be80e67659928bbd85e5d8d6a199f695ebb31bfe4453465d1345ba6c6845c755 [INFO] running `Command { std: "docker" "start" "-a" "be80e67659928bbd85e5d8d6a199f695ebb31bfe4453465d1345ba6c6845c755", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Checking cpufeatures v0.2.7 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.6 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking 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: 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: 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 `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 `Clone` and `Debug`, 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 5.11s [INFO] running `Command { std: "docker" "inspect" "be80e67659928bbd85e5d8d6a199f695ebb31bfe4453465d1345ba6c6845c755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be80e67659928bbd85e5d8d6a199f695ebb31bfe4453465d1345ba6c6845c755", kill_on_drop: false }` [INFO] [stdout] be80e67659928bbd85e5d8d6a199f695ebb31bfe4453465d1345ba6c6845c755