Nov 17 04:24:32.380 INFO testing dowoncha/blockchain against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 04:24:32.380 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 04:24:32.825 INFO [stdout] a826c13bdd16a696f6529822bcc38124c30e67b2796866df30ca006a9f95a06b
Nov 17 04:24:32.828 INFO running `"docker" "start" "-a" "a826c13bdd16a696f6529822bcc38124c30e67b2796866df30ca006a9f95a06b"`
Nov 17 04:24:34.968 INFO [stderr] usermod: no changes
Nov 17 04:24:35.131 INFO [stderr]    Compiling libc v0.2.41
Nov 17 04:24:36.625 INFO [stderr]    Compiling rand v0.4.2
Nov 17 04:24:36.631 INFO [stderr]    Compiling time v0.1.40
Nov 17 04:24:40.356 INFO [stderr]    Compiling rand v0.3.22
Nov 17 04:24:40.620 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 17 04:24:49.599 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 17 04:24:49.934 INFO [stderr] warning: method is never used: `blocks`
Nov 17 04:24:49.934 INFO [stderr]   --> src/main.rs:82:5
Nov 17 04:24:49.934 INFO [stderr]    |
Nov 17 04:24:49.934 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Nov 17 04:24:49.934 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:24:49.934 INFO [stderr]    |
Nov 17 04:24:49.934 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 04:24:49.934 INFO [stderr] 
Nov 17 04:24:49.955 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:24:49.955 INFO [stderr]    --> src/main.rs:131:13
Nov 17 04:24:49.955 INFO [stderr]     |
Nov 17 04:24:49.955 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Nov 17 04:24:49.955 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:24:49.955 INFO [stderr]     |
Nov 17 04:24:49.955 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 04:24:49.955 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:24:49.955 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 04:24:49.955 INFO [stderr] 
Nov 17 04:24:50.879 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.87s
Nov 17 04:24:50.882 INFO [stderr] su: No module specific data is present
Nov 17 04:24:52.017 INFO running `"docker" "inspect" "a826c13bdd16a696f6529822bcc38124c30e67b2796866df30ca006a9f95a06b"`
Nov 17 04:24:52.413 INFO running `"docker" "rm" "-f" "a826c13bdd16a696f6529822bcc38124c30e67b2796866df30ca006a9f95a06b"`
Nov 17 04:24:52.779 INFO [stdout] a826c13bdd16a696f6529822bcc38124c30e67b2796866df30ca006a9f95a06b
Nov 17 04:24:52.787 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 04:24:53.332 INFO [stdout] b1f0d81cf462a54a50ce22444af60f32b1f2196657301a8a3d24046ba87daf96
Nov 17 04:24:53.335 INFO running `"docker" "start" "-a" "b1f0d81cf462a54a50ce22444af60f32b1f2196657301a8a3d24046ba87daf96"`
Nov 17 04:24:55.139 INFO [stderr] usermod: no changes
Nov 17 04:24:55.271 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Nov 17 04:24:55.687 INFO [stderr] warning: method is never used: `blocks`
Nov 17 04:24:55.687 INFO [stderr]   --> src/main.rs:82:5
Nov 17 04:24:55.688 INFO [stderr]    |
Nov 17 04:24:55.688 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Nov 17 04:24:55.688 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:24:55.688 INFO [stderr]    |
Nov 17 04:24:55.689 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 04:24:55.689 INFO [stderr] 
Nov 17 04:24:55.707 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 04:24:55.707 INFO [stderr]    --> src/main.rs:131:13
Nov 17 04:24:55.708 INFO [stderr]     |
Nov 17 04:24:55.708 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Nov 17 04:24:55.708 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 04:24:55.708 INFO [stderr]     |
Nov 17 04:24:55.713 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 04:24:55.714 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 04:24:55.714 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 17 04:24:55.714 INFO [stderr] 
Nov 17 04:24:56.217 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Nov 17 04:24:56.221 INFO [stderr] su: No module specific data is present
Nov 17 04:24:57.107 INFO running `"docker" "inspect" "b1f0d81cf462a54a50ce22444af60f32b1f2196657301a8a3d24046ba87daf96"`
Nov 17 04:24:57.415 INFO running `"docker" "rm" "-f" "b1f0d81cf462a54a50ce22444af60f32b1f2196657301a8a3d24046ba87daf96"`
Nov 17 04:24:57.747 INFO [stdout] b1f0d81cf462a54a50ce22444af60f32b1f2196657301a8a3d24046ba87daf96
Nov 17 04:24:57.754 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 04:24:58.201 INFO [stdout] 3ceed7a5ead0cf13e54414eced5cc155f96d04becb62f39e4ce38d645a6d6371
Nov 17 04:24:58.203 INFO running `"docker" "start" "-a" "3ceed7a5ead0cf13e54414eced5cc155f96d04becb62f39e4ce38d645a6d6371"`
Nov 17 04:24:59.805 INFO [stderr] usermod: no changes
Nov 17 04:24:59.918 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Nov 17 04:24:59.922 INFO [stderr]      Running /target/debug/deps/blockchain-24174d2790d6932f
Nov 17 04:24:59.927 INFO [stdout] 
Nov 17 04:24:59.927 INFO [stdout] running 0 tests
Nov 17 04:24:59.927 INFO [stdout] 
Nov 17 04:24:59.927 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 04:24:59.927 INFO [stdout] 
Nov 17 04:24:59.929 INFO [stderr] su: No module specific data is present
Nov 17 04:25:00.664 INFO running `"docker" "inspect" "3ceed7a5ead0cf13e54414eced5cc155f96d04becb62f39e4ce38d645a6d6371"`
Nov 17 04:25:00.925 INFO running `"docker" "rm" "-f" "3ceed7a5ead0cf13e54414eced5cc155f96d04becb62f39e4ce38d645a6d6371"`
Nov 17 04:25:01.339 INFO [stdout] 3ceed7a5ead0cf13e54414eced5cc155f96d04becb62f39e4ce38d645a6d6371