[INFO] updating cached repository twendtland/rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/twendtland/rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/twendtland/rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/twendtland/rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/twendtland/rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/twendtland/rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twendtland/rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twendtland/rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ef0b8b8afb2c674d7dd6c0b4038b6510ce60b4f
[INFO] sha for GitHub repo twendtland/rust: 9ef0b8b8afb2c674d7dd6c0b4038b6510ce60b4f
[INFO] validating manifest of twendtland/rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twendtland/rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twendtland/rust
[INFO] finished frobbing twendtland/rust
[INFO] frobbed toml for twendtland/rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/twendtland/rust/Cargo.toml
[INFO] started frobbing twendtland/rust
[INFO] finished frobbing twendtland/rust
[INFO] frobbed toml for twendtland/rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twendtland/rust/Cargo.toml
[INFO] crate twendtland/rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing twendtland/rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twendtland/rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1cea4b7019e4f91cd66a404e0f473369b87313ee8261e502bc554baf46aade26
[INFO] running `"docker" "start" "-a" "1cea4b7019e4f91cd66a404e0f473369b87313ee8261e502bc554baf46aade26"`
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling blackbyrd v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CloseCode`, `Handler`, `Message`, `Result`, `Sender`, `listen`
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ws::{listen, CloseCode, Sender, Handler, Message, Result};
[INFO] [stderr]   |          ^^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.58s
[INFO] running `"docker" "inspect" "1cea4b7019e4f91cd66a404e0f473369b87313ee8261e502bc554baf46aade26"`
[INFO] running `"docker" "rm" "-f" "1cea4b7019e4f91cd66a404e0f473369b87313ee8261e502bc554baf46aade26"`
[INFO] [stdout] 1cea4b7019e4f91cd66a404e0f473369b87313ee8261e502bc554baf46aade26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twendtland/rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5e5efb2009fda5963924221228d7b5ea80bb0297fe9038770b9d587b52a3cc42
[INFO] running `"docker" "start" "-a" "5e5efb2009fda5963924221228d7b5ea80bb0297fe9038770b9d587b52a3cc42"`
[INFO] [stderr]    Compiling blackbyrd v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CloseCode`, `Handler`, `Message`, `Result`, `Sender`, `listen`
[INFO] [stderr]  --> src/main.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ws::{listen, CloseCode, Sender, Handler, Message, Result};
[INFO] [stderr]   |          ^^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "5e5efb2009fda5963924221228d7b5ea80bb0297fe9038770b9d587b52a3cc42"`
[INFO] running `"docker" "rm" "-f" "5e5efb2009fda5963924221228d7b5ea80bb0297fe9038770b9d587b52a3cc42"`
[INFO] [stdout] 5e5efb2009fda5963924221228d7b5ea80bb0297fe9038770b9d587b52a3cc42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/twendtland/rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1a04d96b138c35842c9e079a95ab7bb9db792c36542d4372744a59c168024ddd
[INFO] running `"docker" "start" "-a" "1a04d96b138c35842c9e079a95ab7bb9db792c36542d4372744a59c168024ddd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blackbyrd-414cfd9f1657aea0
[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 `"docker" "inspect" "1a04d96b138c35842c9e079a95ab7bb9db792c36542d4372744a59c168024ddd"`
[INFO] running `"docker" "rm" "-f" "1a04d96b138c35842c9e079a95ab7bb9db792c36542d4372744a59c168024ddd"`
[INFO] [stdout] 1a04d96b138c35842c9e079a95ab7bb9db792c36542d4372744a59c168024ddd