[INFO] cloning repository https://github.com/tmthecoder/rust-blockchain-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmthecoder/rust-blockchain-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmthecoder%2Frust-blockchain-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmthecoder%2Frust-blockchain-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9177cedb6b35f03c729903b875a3dbec5a44a3ab
[INFO] checking tmthecoder/rust-blockchain-demo against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmthecoder%2Frust-blockchain-demo" "/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/tmthecoder/rust-blockchain-demo
[INFO] finished tweaking git repo https://github.com/tmthecoder/rust-blockchain-demo
[INFO] tweaked toml for git repo https://github.com/tmthecoder/rust-blockchain-demo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tmthecoder/rust-blockchain-demo on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tmthecoder/rust-blockchain-demo 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2 v0.9.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64318acb6c9e5374e2fa50c8eb18afcf75b57c3c7269c9ae75b18cd3b6a225e0
[INFO] running `Command { std: "docker" "start" "-a" "64318acb6c9e5374e2fa50c8eb18afcf75b57c3c7269c9ae75b18cd3b6a225e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64318acb6c9e5374e2fa50c8eb18afcf75b57c3c7269c9ae75b18cd3b6a225e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64318acb6c9e5374e2fa50c8eb18afcf75b57c3c7269c9ae75b18cd3b6a225e0", kill_on_drop: false }`
[INFO] [stdout] 64318acb6c9e5374e2fa50c8eb18afcf75b57c3c7269c9ae75b18cd3b6a225e0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc42fcce72cf0641fc8ba47bb7b8858165dab5d8cc54f959bb3fd9b6daa82179
[INFO] running `Command { std: "docker" "start" "-a" "fc42fcce72cf0641fc8ba47bb7b8858165dab5d8cc54f959bb3fd9b6daa82179", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking subtle v2.4.1
[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 rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rust-blockchain` (bin "rust-blockchain" test) due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved imports `core::Blockchain`, `core::Block`, `core::Account`, `core::Transaction`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^^^^ no `Transaction` in `core`
[INFO] [stdout]   |            |           |      |
[INFO] [stdout]   |            |           |      no `Account` in `core`
[INFO] [stdout]   |            |           no `Block` in `core`
[INFO] [stdout]   |            no `Blockchain` in `core`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::blockchain::Blockchain
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::block::Block
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::account::Account
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::transaction::Transaction
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{blockchain, Block, Account, Transaction};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{Blockchain, block, Account, Transaction};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{Blockchain, Block, account, Transaction};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{Blockchain, Block, Account, transaction};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::Blockchain`, `core::Block`, `core::Account`, `core::Transaction`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^^^^ no `Transaction` in `core`
[INFO] [stdout]   |            |           |      |
[INFO] [stdout]   |            |           |      no `Account` in `core`
[INFO] [stdout]   |            |           no `Block` in `core`
[INFO] [stdout]   |            no `Blockchain` in `core`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::blockchain::Blockchain
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::block::Block
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::account::Account
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           crate::core::transaction::Transaction
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{blockchain, Block, Account, Transaction};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{Blockchain, block, Account, Transaction};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{Blockchain, Block, account, Transaction};
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 7 - use core::{Blockchain, Block, Account, Transaction};
[INFO] [stdout] 7 + use core::{Blockchain, Block, Account, transaction};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-blockchain` (bin "rust-blockchain") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fc42fcce72cf0641fc8ba47bb7b8858165dab5d8cc54f959bb3fd9b6daa82179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc42fcce72cf0641fc8ba47bb7b8858165dab5d8cc54f959bb3fd9b6daa82179", kill_on_drop: false }`
[INFO] [stdout] fc42fcce72cf0641fc8ba47bb7b8858165dab5d8cc54f959bb3fd9b6daa82179