[INFO] cloning repository https://github.com/cosinlink/ckb-spv-header
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosinlink/ckb-spv-header" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosinlink%2Fckb-spv-header", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosinlink%2Fckb-spv-header'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01d78ae819d5a60191816435444c7491e5812ed2
[INFO] testing cosinlink/ckb-spv-header against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosinlink%2Fckb-spv-header" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosinlink/ckb-spv-header on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cosinlink/ckb-spv-header
[INFO] finished tweaking git repo https://github.com/cosinlink/ckb-spv-header
[INFO] tweaked toml for git repo https://github.com/cosinlink/ckb-spv-header written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cosinlink/ckb-spv-header already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ed0761e8afde356ef0860b2c369ceba952657576c9b1b57eb0263a0867bc1ff
[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" "9ed0761e8afde356ef0860b2c369ceba952657576c9b1b57eb0263a0867bc1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed0761e8afde356ef0860b2c369ceba952657576c9b1b57eb0263a0867bc1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed0761e8afde356ef0860b2c369ceba952657576c9b1b57eb0263a0867bc1ff", kill_on_drop: false }`
[INFO] [stdout] 9ed0761e8afde356ef0860b2c369ceba952657576c9b1b57eb0263a0867bc1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca73da09a582e29f7f1de4e07aa467945eb8229e296390bbd7296c068b1f47e
[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" "4ca73da09a582e29f7f1de4e07aa467945eb8229e296390bbd7296c068b1f47e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling eaglesong v0.1.0
[INFO] [stderr]    Compiling ckb-build-info v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling merkle-cbt v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]    Compiling ckb-channel v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling numext-constructor v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ckb-hash v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.52
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling includedir v0.5.0
[INFO] [stderr]    Compiling includedir_codegen v0.5.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ckb-system-scripts v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ckb-occupied-capacity-core v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-fixed-hash-core v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling molecule v0.6.0
[INFO] [stderr]    Compiling ckb-occupied-capacity v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling jsonrpc-core v14.2.0
[INFO] [stderr]    Compiling ckb-error v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ckb-fixed-hash v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling jsonrpc-derive v14.2.2
[INFO] [stderr]    Compiling ckb-crypto v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]    Compiling ckb-rational v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-types v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-dao-utils v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-jsonrpc-types v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-pow v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-resource v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-chain-spec v0.36.0-pre (https://github.com/nervosnetwork/ckb?tag=v0.36.0-rc2#38aacb54)
[INFO] [stderr]    Compiling ckb-spv-header v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Byte32`
[INFO] [stdout]  --> src/header_submit.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     packed::{self, Byte32},
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/header_submit.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/header_submit.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/header_submit.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/header_submit.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "4ca73da09a582e29f7f1de4e07aa467945eb8229e296390bbd7296c068b1f47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca73da09a582e29f7f1de4e07aa467945eb8229e296390bbd7296c068b1f47e", kill_on_drop: false }`
[INFO] [stdout] 4ca73da09a582e29f7f1de4e07aa467945eb8229e296390bbd7296c068b1f47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 818a85b94344718dde9aae2bdc448e5346c720682820daf16bfeb5abd20d2c5f
[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" "818a85b94344718dde9aae2bdc448e5346c720682820daf16bfeb5abd20d2c5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `Byte32`
[INFO] [stdout]  --> src/header_submit.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     packed::{self, Byte32},
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/header_submit.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/header_submit.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/header_submit.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/header_submit.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ckb-spv-header v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Byte32`
[INFO] [stdout]  --> src/header_submit.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     packed::{self, Byte32},
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/header_submit.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/header_submit.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/header_submit.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/header_submit.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "818a85b94344718dde9aae2bdc448e5346c720682820daf16bfeb5abd20d2c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818a85b94344718dde9aae2bdc448e5346c720682820daf16bfeb5abd20d2c5f", kill_on_drop: false }`
[INFO] [stdout] 818a85b94344718dde9aae2bdc448e5346c720682820daf16bfeb5abd20d2c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17613bf5c67d6317c2cf8e320d366484e0aab788dd7b033f6d1bda1846ce4277
[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" "17613bf5c67d6317c2cf8e320d366484e0aab788dd7b033f6d1bda1846ce4277", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Byte32`
[INFO] [stderr]  --> src/header_submit.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     packed::{self, Byte32},
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/header_submit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/header_submit.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/header_submit.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     prelude::*,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/header_submit.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 Err(err) => {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Byte32`
[INFO] [stderr]  --> src/header_submit.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     packed::{self, Byte32},
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/header_submit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/header_submit.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/header_submit.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     prelude::*,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/header_submit.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 Err(err) => {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ckb_spv_header-9dc4b024610a3efb
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ckb_spv_header-dc33590135009071
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ckb-spv-header
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17613bf5c67d6317c2cf8e320d366484e0aab788dd7b033f6d1bda1846ce4277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17613bf5c67d6317c2cf8e320d366484e0aab788dd7b033f6d1bda1846ce4277", kill_on_drop: false }`
[INFO] [stdout] 17613bf5c67d6317c2cf8e320d366484e0aab788dd7b033f6d1bda1846ce4277
