[INFO] cloning repository https://github.com/wizzywit/bchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wizzywit/bchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52693faa7edf9fc7a6e7213cc628063d359e430e
[INFO] checking wizzywit/bchain against try#1f5783cbeb5da8b38566d718631d016891e9c912 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizzywit%2Fbchain" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wizzywit/bchain on toolchain 1f5783cbeb5da8b38566d718631d016891e9c912
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wizzywit/bchain
[INFO] finished tweaking git repo https://github.com/wizzywit/bchain
[INFO] tweaked toml for git repo https://github.com/wizzywit/bchain written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wizzywit/bchain 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" "+1f5783cbeb5da8b38566d718631d016891e9c912" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e46a8d10f6e824724336e3ebecf15da7ed49945007afc00190e93826b27e137
[INFO] running `Command { std: "docker" "start" "-a" "2e46a8d10f6e824724336e3ebecf15da7ed49945007afc00190e93826b27e137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e46a8d10f6e824724336e3ebecf15da7ed49945007afc00190e93826b27e137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e46a8d10f6e824724336e3ebecf15da7ed49945007afc00190e93826b27e137", kill_on_drop: false }`
[INFO] [stdout] 2e46a8d10f6e824724336e3ebecf15da7ed49945007afc00190e93826b27e137
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+1f5783cbeb5da8b38566d718631d016891e9c912" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d8ebc2a647b3e6f5b525166febb14463cc6f1f30e247261515bc2d6424d65c2
[INFO] running `Command { std: "docker" "start" "-a" "3d8ebc2a647b3e6f5b525166febb14463cc6f1f30e247261515bc2d6424d65c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking bchain_v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pending_transactions` is never read
[INFO] [stdout]   --> src/bchain/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pending_transactions: Vec<Transaction>,
[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] [stdout] warning: variant `ChangeStoreValue` is never constructed
[INFO] [stdout]   --> src/bchain/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum TransactionData {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 43 |     CreateUserAccount(String),
[INFO] [stdout] 44 |     ChangeStoreValue { key: String, value: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `store` and `acc_type` are never read
[INFO] [stdout]   --> src/bchain/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Account {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 51 |     store: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 52 |     acc_type: AccountType,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Account` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Contract` and `Validator` are never constructed
[INFO] [stdout]   --> src/bchain/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum AccountType {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 58 |     User,
[INFO] [stdout] 59 |     Contract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 60 |     Validator {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AccountType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pending_transactions` is never read
[INFO] [stdout]   --> src/bchain/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Blockchain {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pending_transactions: Vec<Transaction>,
[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] [stdout] warning: variant `ChangeStoreValue` is never constructed
[INFO] [stdout]   --> src/bchain/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum TransactionData {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 43 |     CreateUserAccount(String),
[INFO] [stdout] 44 |     ChangeStoreValue { key: String, value: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `store` and `acc_type` are never read
[INFO] [stdout]   --> src/bchain/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Account {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 51 |     store: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 52 |     acc_type: AccountType,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Account` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Contract` and `Validator` are never constructed
[INFO] [stdout]   --> src/bchain/mod.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum AccountType {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 58 |     User,
[INFO] [stdout] 59 |     Contract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 60 |     Validator {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AccountType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "3d8ebc2a647b3e6f5b525166febb14463cc6f1f30e247261515bc2d6424d65c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8ebc2a647b3e6f5b525166febb14463cc6f1f30e247261515bc2d6424d65c2", kill_on_drop: false }`
[INFO] [stdout] 3d8ebc2a647b3e6f5b525166febb14463cc6f1f30e247261515bc2d6424d65c2
