[INFO] updating cached repository balena-io-playground/rtc-cpu-stall
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/balena-io-playground/rtc-cpu-stall
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/balena-io-playground/rtc-cpu-stall" "work/ex/beta-1.37-6/sources/1.36.0/gh/balena-io-playground/rtc-cpu-stall"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/balena-io-playground/rtc-cpu-stall'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/balena-io-playground/rtc-cpu-stall" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balena-io-playground/rtc-cpu-stall"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balena-io-playground/rtc-cpu-stall'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 106d82266a4df0ee1cce809e5a80163829c2de16
[INFO] sha for GitHub repo balena-io-playground/rtc-cpu-stall: 106d82266a4df0ee1cce809e5a80163829c2de16
[INFO] validating manifest of balena-io-playground/rtc-cpu-stall on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of balena-io-playground/rtc-cpu-stall on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing balena-io-playground/rtc-cpu-stall
[INFO] finished frobbing balena-io-playground/rtc-cpu-stall
[INFO] frobbed toml for balena-io-playground/rtc-cpu-stall written to work/ex/beta-1.37-6/sources/1.36.0/gh/balena-io-playground/rtc-cpu-stall/Cargo.toml
[INFO] started frobbing balena-io-playground/rtc-cpu-stall
[INFO] finished frobbing balena-io-playground/rtc-cpu-stall
[INFO] frobbed toml for balena-io-playground/rtc-cpu-stall written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balena-io-playground/rtc-cpu-stall/Cargo.toml
[INFO] crate balena-io-playground/rtc-cpu-stall already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing balena-io-playground/rtc-cpu-stall against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/balena-io-playground/rtc-cpu-stall:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7a1bff11027d25934456581471d870e5dbe1414d9bd8f793330d1c21f665c0d5
[INFO] running `"docker" "start" "-a" "7a1bff11027d25934456581471d870e5dbe1414d9bd8f793330d1c21f665c0d5"`
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling clock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.41s
[INFO] running `"docker" "inspect" "7a1bff11027d25934456581471d870e5dbe1414d9bd8f793330d1c21f665c0d5"`
[INFO] running `"docker" "rm" "-f" "7a1bff11027d25934456581471d870e5dbe1414d9bd8f793330d1c21f665c0d5"`
[INFO] [stdout] 7a1bff11027d25934456581471d870e5dbe1414d9bd8f793330d1c21f665c0d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/balena-io-playground/rtc-cpu-stall:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9581709f50c9ee8a88b1ed49537af6e013f77c2b10e10cd5e2e2bbb97650c004
[INFO] running `"docker" "start" "-a" "9581709f50c9ee8a88b1ed49537af6e013f77c2b10e10cd5e2e2bbb97650c004"`
[INFO] [stderr]    Compiling clock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "9581709f50c9ee8a88b1ed49537af6e013f77c2b10e10cd5e2e2bbb97650c004"`
[INFO] running `"docker" "rm" "-f" "9581709f50c9ee8a88b1ed49537af6e013f77c2b10e10cd5e2e2bbb97650c004"`
[INFO] [stdout] 9581709f50c9ee8a88b1ed49537af6e013f77c2b10e10cd5e2e2bbb97650c004
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/balena-io-playground/rtc-cpu-stall:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0651721a17120e887389546e2b32151fa6696956db41f527c83d585c19fdadc6
[INFO] running `"docker" "start" "-a" "0651721a17120e887389546e2b32151fa6696956db41f527c83d585c19fdadc6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clock-e00d852ce72bca53
[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" "0651721a17120e887389546e2b32151fa6696956db41f527c83d585c19fdadc6"`
[INFO] running `"docker" "rm" "-f" "0651721a17120e887389546e2b32151fa6696956db41f527c83d585c19fdadc6"`
[INFO] [stdout] 0651721a17120e887389546e2b32151fa6696956db41f527c83d585c19fdadc6