[INFO] updating cached repository nosferatu500/Aurora_VB
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nosferatu500/Aurora_VB
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nosferatu500/Aurora_VB" "work/ex/beta-1.38-1/sources/1.37.0/gh/nosferatu500/Aurora_VB"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nosferatu500/Aurora_VB'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nosferatu500/Aurora_VB" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nosferatu500/Aurora_VB"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nosferatu500/Aurora_VB'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66cdef0445cc54333d6bc3c7b8b3fb4c72f11bfd
[INFO] sha for GitHub repo nosferatu500/Aurora_VB: 66cdef0445cc54333d6bc3c7b8b3fb4c72f11bfd
[INFO] validating manifest of nosferatu500/Aurora_VB 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 nosferatu500/Aurora_VB 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 nosferatu500/Aurora_VB
[INFO] finished frobbing nosferatu500/Aurora_VB
[INFO] frobbed toml for nosferatu500/Aurora_VB written to work/ex/beta-1.38-1/sources/1.37.0/gh/nosferatu500/Aurora_VB/Cargo.toml
[INFO] started frobbing nosferatu500/Aurora_VB
[INFO] finished frobbing nosferatu500/Aurora_VB
[INFO] frobbed toml for nosferatu500/Aurora_VB written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nosferatu500/Aurora_VB/Cargo.toml
[INFO] crate nosferatu500/Aurora_VB 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing nosferatu500/Aurora_VB 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-5/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/nosferatu500/Aurora_VB:/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] 26be117c2813a5c9571521cea660a8f47267878a86cc5e1f5966d5e7f1004b14
[INFO] running `"docker" "start" "-a" "26be117c2813a5c9571521cea660a8f47267878a86cc5e1f5966d5e7f1004b14"`
[INFO] [stderr]    Compiling aurora_vb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cycles`
[INFO] [stderr]   --> src/interconnect.rs:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn cycles(&mut self, cycles: usize) {
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_cycles`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "26be117c2813a5c9571521cea660a8f47267878a86cc5e1f5966d5e7f1004b14"`
[INFO] running `"docker" "rm" "-f" "26be117c2813a5c9571521cea660a8f47267878a86cc5e1f5966d5e7f1004b14"`
[INFO] [stdout] 26be117c2813a5c9571521cea660a8f47267878a86cc5e1f5966d5e7f1004b14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/nosferatu500/Aurora_VB:/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] 92c3535b89e7af8a614a66343ad76a8afe027aff6bf457fbb3baef40b5a77378
[INFO] running `"docker" "start" "-a" "92c3535b89e7af8a614a66343ad76a8afe027aff6bf457fbb3baef40b5a77378"`
[INFO] [stderr]    Compiling aurora_vb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `cycles`
[INFO] [stderr]   --> src/interconnect.rs:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn cycles(&mut self, cycles: usize) {
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_cycles`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "92c3535b89e7af8a614a66343ad76a8afe027aff6bf457fbb3baef40b5a77378"`
[INFO] running `"docker" "rm" "-f" "92c3535b89e7af8a614a66343ad76a8afe027aff6bf457fbb3baef40b5a77378"`
[INFO] [stdout] 92c3535b89e7af8a614a66343ad76a8afe027aff6bf457fbb3baef40b5a77378
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/nosferatu500/Aurora_VB:/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] 59ba1ac8daedda91260a7509e95745af136df587bac786851d550e8be3194e31
[INFO] running `"docker" "start" "-a" "59ba1ac8daedda91260a7509e95745af136df587bac786851d550e8be3194e31"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aurora_vb-1a6f1fdaafef6622
[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" "59ba1ac8daedda91260a7509e95745af136df587bac786851d550e8be3194e31"`
[INFO] running `"docker" "rm" "-f" "59ba1ac8daedda91260a7509e95745af136df587bac786851d550e8be3194e31"`
[INFO] [stdout] 59ba1ac8daedda91260a7509e95745af136df587bac786851d550e8be3194e31