[INFO] cloning repository https://github.com/IrkinSh/otus_HW3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IrkinSh/otus_HW3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIrkinSh%2Fotus_HW3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIrkinSh%2Fotus_HW3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ade8b1157d2d5da6825a442ddff37ea4e126f3aa
[INFO] checking IrkinSh/otus_HW3/ade8b1157d2d5da6825a442ddff37ea4e126f3aa against master#9f32ccf35fb877270bc44a86a126440f04d676d0 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIrkinSh%2Fotus_HW3" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IrkinSh/otus_HW3
[INFO] finished tweaking git repo https://github.com/IrkinSh/otus_HW3
[INFO] tweaked toml for git repo https://github.com/IrkinSh/otus_HW3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IrkinSh/otus_HW3 on toolchain 9f32ccf35fb877270bc44a86a126440f04d676d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IrkinSh/otus_HW3 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" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v1.5.0
[INFO] [stderr]       Adding bitflags v2.9.4
[INFO] [stderr]       Adding bytes v1.10.1
[INFO] [stderr]       Adding lock_api v0.4.13
[INFO] [stderr]       Adding mio v1.0.4
[INFO] [stderr]       Adding parking_lot v0.12.4
[INFO] [stderr]       Adding parking_lot_core v0.9.11
[INFO] [stderr]       Adding proc-macro2 v1.0.101
[INFO] [stderr]       Adding quote v1.0.40
[INFO] [stderr]       Adding redox_syscall v0.5.17
[INFO] [stderr]       Adding scopeguard v1.2.0
[INFO] [stderr]       Adding signal-hook-registry v1.4.6
[INFO] [stderr]       Adding smallvec v1.15.1
[INFO] [stderr]       Adding socket2 v0.5.8 (available: v0.5.10)
[INFO] [stderr]       Adding syn v2.0.106
[INFO] [stderr]       Adding tokio-macros v2.5.0
[INFO] [stderr]       Adding unicode-ident v1.0.19
[INFO] [stderr]       Adding wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]       Adding windows-sys v0.52.0
[INFO] [stderr]       Adding windows-sys v0.59.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5def23a216b0b98779090ffda6cf003bee4877c37414188b1007fb9251525501
[INFO] running `Command { std: "docker" "start" "-a" "5def23a216b0b98779090ffda6cf003bee4877c37414188b1007fb9251525501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5def23a216b0b98779090ffda6cf003bee4877c37414188b1007fb9251525501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5def23a216b0b98779090ffda6cf003bee4877c37414188b1007fb9251525501", kill_on_drop: false }`
[INFO] [stdout] 5def23a216b0b98779090ffda6cf003bee4877c37414188b1007fb9251525501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+9f32ccf35fb877270bc44a86a126440f04d676d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f6a493c1187f5ef5961d4dbd8999c329035aa29148bb8a5f724f411badcbd18
[INFO] running `Command { std: "docker" "start" "-a" "3f6a493c1187f5ef5961d4dbd8999c329035aa29148bb8a5f724f411badcbd18", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking homework3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `tokio::sync::mpsc::Receiver<T>` in the current scope
[INFO] [stdout]   --> src/main.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let rx_clone = rx.clone();
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `close` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 96 -         let rx_clone = rx.clone();
[INFO] [stdout] 96 +         let rx_clone = rx.close();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `tokio::sync::mpsc::Receiver<T>` in the current scope
[INFO] [stdout]   --> src/main.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let rx_clone = rx.clone();
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `close` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 96 -         let rx_clone = rx.clone();
[INFO] [stdout] 96 +         let rx_clone = rx.close();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]   --> src/main.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn create_block(blockchain: &Blockchain) -> Block {
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain`
[INFO] [stdout]   --> src/main.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn create_block(blockchain: &Blockchain) -> Block {
[INFO] [stdout]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `homework3` (bin "homework3") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `homework3` (bin "homework3" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3f6a493c1187f5ef5961d4dbd8999c329035aa29148bb8a5f724f411badcbd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6a493c1187f5ef5961d4dbd8999c329035aa29148bb8a5f724f411badcbd18", kill_on_drop: false }`
[INFO] [stdout] 3f6a493c1187f5ef5961d4dbd8999c329035aa29148bb8a5f724f411badcbd18