[INFO] cloning repository https://github.com/grubxy/rust-blockchain-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grubxy/rust-blockchain-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubxy%2Frust-blockchain-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubxy%2Frust-blockchain-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ecc4129a09b002193b561d2e0556804ae540d22 [INFO] checking grubxy/rust-blockchain-learn against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubxy%2Frust-blockchain-learn" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grubxy/rust-blockchain-learn on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grubxy/rust-blockchain-learn [INFO] finished tweaking git repo https://github.com/grubxy/rust-blockchain-learn [INFO] tweaked toml for git repo https://github.com/grubxy/rust-blockchain-learn written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/grubxy/rust-blockchain-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fbde55a1fd3d6f70fb69d87ea0fb14bcadfbfb90b55e37d81fed3016d071b93 [INFO] running `Command { std: "docker" "start" "-a" "8fbde55a1fd3d6f70fb69d87ea0fb14bcadfbfb90b55e37d81fed3016d071b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fbde55a1fd3d6f70fb69d87ea0fb14bcadfbfb90b55e37d81fed3016d071b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fbde55a1fd3d6f70fb69d87ea0fb14bcadfbfb90b55e37d81fed3016d071b93", kill_on_drop: false }` [INFO] [stdout] 8fbde55a1fd3d6f70fb69d87ea0fb14bcadfbfb90b55e37d81fed3016d071b93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c42d21bdafc686d1ef0feaf211b4e4faaefdc9911eadfc542984d4a18dde73f3 [INFO] running `Command { std: "docker" "start" "-a" "c42d21bdafc686d1ef0feaf211b4e4faaefdc9911eadfc542984d4a18dde73f3", 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] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking pin-project v1.0.6 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking tokio-retry v0.3.0 [INFO] [stderr] Checking tokio-stream v0.1.5 [INFO] [stderr] Checking tokio-util v0.6.5 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking network v0.1.0 (/opt/rustwide/workdir/network) [INFO] [stdout] warning: unused imports: `Fuse`, `FuturesUnordered` [INFO] [stdout] --> network/src/peer/mod.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::stream::{Fuse, FuturesUnordered}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer` [INFO] [stdout] --> network/src/peer/mod.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> network/src/peer/mod.rs:31:22 [INFO] [stdout] | [INFO] [stdout] 31 | pub async fn start(mut self) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Fuse`, `FuturesUnordered` [INFO] [stdout] --> network/src/peer/mod.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::stream::{Fuse, FuturesUnordered}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer` [INFO] [stdout] --> network/src/peer/mod.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `listen_addr` [INFO] [stdout] --> network/src/peer/mod.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | listen_addr: NetworkAddress, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `connection` [INFO] [stdout] --> network/src/peer/mod.rs:20:3 [INFO] [stdout] | [INFO] [stdout] 20 | connection: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> network/src/peer/mod.rs:31:22 [INFO] [stdout] | [INFO] [stdout] 31 | pub async fn start(mut self) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `listen_addr` [INFO] [stdout] --> network/src/peer/mod.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | listen_addr: NetworkAddress, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `connection` [INFO] [stdout] --> network/src/peer/mod.rs:20:3 [INFO] [stdout] | [INFO] [stdout] 20 | connection: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.39s [INFO] running `Command { std: "docker" "inspect" "c42d21bdafc686d1ef0feaf211b4e4faaefdc9911eadfc542984d4a18dde73f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c42d21bdafc686d1ef0feaf211b4e4faaefdc9911eadfc542984d4a18dde73f3", kill_on_drop: false }` [INFO] [stdout] c42d21bdafc686d1ef0feaf211b4e4faaefdc9911eadfc542984d4a18dde73f3