[INFO] cloning repository https://github.com/manishdotsqlite/blockchain-tut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manishdotsqlite/blockchain-tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanishdotsqlite%2Fblockchain-tut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanishdotsqlite%2Fblockchain-tut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7b39e5a4e0270507a27b5248d2bd0d9615bf611
[INFO] checking manishdotsqlite/blockchain-tut against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanishdotsqlite%2Fblockchain-tut" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/manishdotsqlite/blockchain-tut
[INFO] finished tweaking git repo https://github.com/manishdotsqlite/blockchain-tut
[INFO] tweaked toml for git repo https://github.com/manishdotsqlite/blockchain-tut written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manishdotsqlite/blockchain-tut on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/manishdotsqlite/blockchain-tut 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded cc v1.2.26
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249938ef017b19db7aea873d76bdcfe93c7c9dcba3b447e4527445300920a6a1
[INFO] running `Command { std: "docker" "start" "-a" "249938ef017b19db7aea873d76bdcfe93c7c9dcba3b447e4527445300920a6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249938ef017b19db7aea873d76bdcfe93c7c9dcba3b447e4527445300920a6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249938ef017b19db7aea873d76bdcfe93c7c9dcba3b447e4527445300920a6a1", kill_on_drop: false }`
[INFO] [stdout] 249938ef017b19db7aea873d76bdcfe93c7c9dcba3b447e4527445300920a6a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be12bcc98c4a630e3eef6ac87d77868b63ac507fddf015e6eb50d63d3369ab71
[INFO] running `Command { std: "docker" "start" "-a" "be12bcc98c4a630e3eef6ac87d77868b63ac507fddf015e6eb50d63d3369ab71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking blockchain-tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `transaction`
[INFO] [stdout]  --> src/blockchain.rs:3:75
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{block::{self, Block}, hashable::Hashable, library::BlockHash, transaction};
[INFO] [stdout]   |                                                                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transaction`
[INFO] [stdout]  --> src/blockchain.rs:3:75
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{block::{self, Block}, hashable::Hashable, library::BlockHash, transaction};
[INFO] [stdout]   |                                                                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashable::Hashable`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashable::Hashable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashable::Hashable`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashable::Hashable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_hash` is never read
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     last_hash = block.hash.clone();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_hash` is never read
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     last_hash = block.hash.clone();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "be12bcc98c4a630e3eef6ac87d77868b63ac507fddf015e6eb50d63d3369ab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be12bcc98c4a630e3eef6ac87d77868b63ac507fddf015e6eb50d63d3369ab71", kill_on_drop: false }`
[INFO] [stdout] be12bcc98c4a630e3eef6ac87d77868b63ac507fddf015e6eb50d63d3369ab71