[INFO] cloning repository https://github.com/HirotoShioi/nano_chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HirotoShioi/nano_chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHirotoShioi%2Fnano_chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHirotoShioi%2Fnano_chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c6615c381d15b85f625b53f6a140ccd76f449fc
[INFO] testing HirotoShioi/nano_chain against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHirotoShioi%2Fnano_chain" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HirotoShioi/nano_chain on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HirotoShioi/nano_chain
[INFO] finished tweaking git repo https://github.com/HirotoShioi/nano_chain
[INFO] tweaked toml for git repo https://github.com/HirotoShioi/nano_chain written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/HirotoShioi/nano_chain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf32197038be051177ada4a9150e5f9b794e61048908905af166766e862f196c
[INFO] running `Command { std: "docker" "start" "-a" "bf32197038be051177ada4a9150e5f9b794e61048908905af166766e862f196c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf32197038be051177ada4a9150e5f9b794e61048908905af166766e862f196c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf32197038be051177ada4a9150e5f9b794e61048908905af166766e862f196c", kill_on_drop: false }`
[INFO] [stdout] bf32197038be051177ada4a9150e5f9b794e61048908905af166766e862f196c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 778b44cc9fe42e85c87e12d3a1cd8f45a7d7698df9f2f5f53061bb59fe89e003
[INFO] running `Command { std: "docker" "start" "-a" "778b44cc9fe42e85c87e12d3a1cd8f45a7d7698df9f2f5f53061bb59fe89e003", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.8
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling nano_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/peer_discovery/util.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn recv(&self) -> Result<ChanMessage<T>, RecvError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.30s
[INFO] running `Command { std: "docker" "inspect" "778b44cc9fe42e85c87e12d3a1cd8f45a7d7698df9f2f5f53061bb59fe89e003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778b44cc9fe42e85c87e12d3a1cd8f45a7d7698df9f2f5f53061bb59fe89e003", kill_on_drop: false }`
[INFO] [stdout] 778b44cc9fe42e85c87e12d3a1cd8f45a7d7698df9f2f5f53061bb59fe89e003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3872e671900e5a9ff804e1d5b02134a9da12eb902e094b3482756ff97a1f399e
[INFO] running `Command { std: "docker" "start" "-a" "3872e671900e5a9ff804e1d5b02134a9da12eb902e094b3482756ff97a1f399e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nano_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/peer_discovery/util.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn recv(&self) -> Result<ChanMessage<T>, RecvError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/peer_discovery/util.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn recv(&self) -> Result<ChanMessage<T>, RecvError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "3872e671900e5a9ff804e1d5b02134a9da12eb902e094b3482756ff97a1f399e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3872e671900e5a9ff804e1d5b02134a9da12eb902e094b3482756ff97a1f399e", kill_on_drop: false }`
[INFO] [stdout] 3872e671900e5a9ff804e1d5b02134a9da12eb902e094b3482756ff97a1f399e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f7750c358b66e8e7fae08bb99a393a62b2372276132355f5c15bac74a648976
[INFO] running `Command { std: "docker" "start" "-a" "5f7750c358b66e8e7fae08bb99a393a62b2372276132355f5c15bac74a648976", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `recv`
[INFO] [stderr]   --> src/peer_discovery/util.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn recv(&self) -> Result<ChanMessage<T>, RecvError> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nano_chain` (lib) generated 1 warning
[INFO] [stderr] warning: `nano_chain` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nano_chain-1ec50a121c1a0e48)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test utxo::utxo_test::empy_input_should_throw_error ... ok
[INFO] [stdout] test utxo::utxo_test::exact_amount_can_be_spent ... ok
[INFO] [stdout] test utxo::utxo_test::insufficient_amount_should_throw_error ... ok
[INFO] [stdout] test utxo::utxo_test::invalid_input_should_throw_error ... ok
[INFO] [stdout] test utxo::utxo_test::process_single_transaction ... ok
[INFO] [stdout] test utxo::utxo_test::should_have_inputs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peer_discovery-2f38161f5f1e4b86)
[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] [stderr]    Doc-tests nano_chain
[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" "5f7750c358b66e8e7fae08bb99a393a62b2372276132355f5c15bac74a648976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7750c358b66e8e7fae08bb99a393a62b2372276132355f5c15bac74a648976", kill_on_drop: false }`
[INFO] [stdout] 5f7750c358b66e8e7fae08bb99a393a62b2372276132355f5c15bac74a648976