[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] testing grubxy/rust-blockchain-learn against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrubxy%2Frust-blockchain-learn" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grubxy/rust-blockchain-learn on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-10/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-retry v0.3.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fde6d5c66b4e31ca05a8a0aa9ef1fd2510b74f05362e49680aa2198e2aae5ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8fde6d5c66b4e31ca05a8a0aa9ef1fd2510b74f05362e49680aa2198e2aae5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fde6d5c66b4e31ca05a8a0aa9ef1fd2510b74f05362e49680aa2198e2aae5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fde6d5c66b4e31ca05a8a0aa9ef1fd2510b74f05362e49680aa2198e2aae5ec", kill_on_drop: false }`
[INFO] [stdout] 8fde6d5c66b4e31ca05a8a0aa9ef1fd2510b74f05362e49680aa2198e2aae5ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67939bad774bf79458da80c0f98729ea76f6f3e5a87ec67b8282c300b5cf5f74
[INFO] running `Command { std: "docker" "start" "-a" "67939bad774bf79458da80c0f98729ea76f6f3e5a87ec67b8282c300b5cf5f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[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]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling tokio-retry v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling 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: 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<TSocket>,
[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 56.07s
[INFO] running `Command { std: "docker" "inspect" "67939bad774bf79458da80c0f98729ea76f6f3e5a87ec67b8282c300b5cf5f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67939bad774bf79458da80c0f98729ea76f6f3e5a87ec67b8282c300b5cf5f74", kill_on_drop: false }`
[INFO] [stdout] 67939bad774bf79458da80c0f98729ea76f6f3e5a87ec67b8282c300b5cf5f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b88df51bc6ac2f9f49d735ae51a393fe37391e8c30aeec47e5d99a29d7520b6
[INFO] running `Command { std: "docker" "start" "-a" "3b88df51bc6ac2f9f49d735ae51a393fe37391e8c30aeec47e5d99a29d7520b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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<TSocket>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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: 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<TSocket>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "3b88df51bc6ac2f9f49d735ae51a393fe37391e8c30aeec47e5d99a29d7520b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b88df51bc6ac2f9f49d735ae51a393fe37391e8c30aeec47e5d99a29d7520b6", kill_on_drop: false }`
[INFO] [stdout] 3b88df51bc6ac2f9f49d735ae51a393fe37391e8c30aeec47e5d99a29d7520b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c978d1dcd5495ca22a5820ab066bc2c18e7d855d18afe2a6891b7b39acde5f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c978d1dcd5495ca22a5820ab066bc2c18e7d855d18afe2a6891b7b39acde5f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Fuse`, `FuturesUnordered`
[INFO] [stdout] 
[INFO] [stderr]  --> network/src/peer/mod.rs:2:23
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use futures::stream::{Fuse, FuturesUnordered};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                       ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
[INFO] [stderr]  --> network/src/peer/mod.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> network/src/peer/mod.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub async fn start(mut self) {
[INFO] [stderr]    |                      ----^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `listen_addr`
[INFO] [stderr]   --> network/src/peer/mod.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   listen_addr: NetworkAddress,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connection`
[INFO] [stderr]   --> network/src/peer/mod.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   connection: Option<TSocket>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `network` (lib) generated 5 warnings
[INFO] [stderr] warning: `network` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/network-3ca0234f57043713)
[INFO] [stderr]    Doc-tests network
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c978d1dcd5495ca22a5820ab066bc2c18e7d855d18afe2a6891b7b39acde5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c978d1dcd5495ca22a5820ab066bc2c18e7d855d18afe2a6891b7b39acde5f7", kill_on_drop: false }`
[INFO] [stdout] 5c978d1dcd5495ca22a5820ab066bc2c18e7d855d18afe2a6891b7b39acde5f7