[INFO] cloning repository https://github.com/ankur-kalita/Blockchain_impl_bsc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ankur-kalita/Blockchain_impl_bsc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankur-kalita%2FBlockchain_impl_bsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankur-kalita%2FBlockchain_impl_bsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 821ec71515a22a1290911b514fdd99b7d69c2839
[INFO] checking ankur-kalita/Blockchain_impl_bsc against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankur-kalita%2FBlockchain_impl_bsc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ankur-kalita/Blockchain_impl_bsc
[INFO] finished tweaking git repo https://github.com/ankur-kalita/Blockchain_impl_bsc
[INFO] tweaked toml for git repo https://github.com/ankur-kalita/Blockchain_impl_bsc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ankur-kalita/Blockchain_impl_bsc on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ankur-kalita/Blockchain_impl_bsc 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" "+f70ee28831acc074c109afab32d287057c3eca46" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bae3cb2e898dca93c0b85bab9ff50689bf222e6dfb7b09bd9ae1e7acb653b5e
[INFO] running `Command { std: "docker" "start" "-a" "1bae3cb2e898dca93c0b85bab9ff50689bf222e6dfb7b09bd9ae1e7acb653b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bae3cb2e898dca93c0b85bab9ff50689bf222e6dfb7b09bd9ae1e7acb653b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bae3cb2e898dca93c0b85bab9ff50689bf222e6dfb7b09bd9ae1e7acb653b5e", kill_on_drop: false }`
[INFO] [stdout] 1bae3cb2e898dca93c0b85bab9ff50689bf222e6dfb7b09bd9ae1e7acb653b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c797bd4a9309ec5f31ae8207582ddf4ac25ebf056d81fcb9e8d1be63286c8a
[INFO] running `Command { std: "docker" "start" "-a" "28c797bd4a9309ec5f31ae8207582ddf4ac25ebf056d81fcb9e8d1be63286c8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]     Checking sha256 v1.5.0
[INFO] [stderr]     Checking Blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::hash`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::hash`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_BC` should have a snake case name
[INFO] [stdout]    --> src/main.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut new_BC: Blockchain = Blockchain::new();
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `new_bc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_BC` should have a snake case name
[INFO] [stdout]    --> src/main.rs:159:13
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut new_BC: Blockchain = Blockchain::new();
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `new_bc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "28c797bd4a9309ec5f31ae8207582ddf4ac25ebf056d81fcb9e8d1be63286c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c797bd4a9309ec5f31ae8207582ddf4ac25ebf056d81fcb9e8d1be63286c8a", kill_on_drop: false }`
[INFO] [stdout] 28c797bd4a9309ec5f31ae8207582ddf4ac25ebf056d81fcb9e8d1be63286c8a