[INFO] updating cached repository NeuronCrossroads/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NeuronCrossroads/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NeuronCrossroads/rust-practice" "work/ex/beta-1.37-6/sources/1.36.0/gh/NeuronCrossroads/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/NeuronCrossroads/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NeuronCrossroads/rust-practice" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NeuronCrossroads/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NeuronCrossroads/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c3d09f333ee8f7c5b766d13540e84a8c25051bc
[INFO] sha for GitHub repo NeuronCrossroads/rust-practice: 8c3d09f333ee8f7c5b766d13540e84a8c25051bc
[INFO] validating manifest of NeuronCrossroads/rust-practice 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 NeuronCrossroads/rust-practice 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 NeuronCrossroads/rust-practice
[INFO] finished frobbing NeuronCrossroads/rust-practice
[INFO] frobbed toml for NeuronCrossroads/rust-practice written to work/ex/beta-1.37-6/sources/1.36.0/gh/NeuronCrossroads/rust-practice/Cargo.toml
[INFO] started frobbing NeuronCrossroads/rust-practice
[INFO] finished frobbing NeuronCrossroads/rust-practice
[INFO] frobbed toml for NeuronCrossroads/rust-practice written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NeuronCrossroads/rust-practice/Cargo.toml
[INFO] crate NeuronCrossroads/rust-practice 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing NeuronCrossroads/rust-practice against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NeuronCrossroads/rust-practice:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 232ef05530f76144b68a68c911932ebe9313b87dc8789ad9f377d852b8cb4687
[INFO] running `"docker" "start" "-a" "232ef05530f76144b68a68c911932ebe9313b87dc8789ad9f377d852b8cb4687"`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "232ef05530f76144b68a68c911932ebe9313b87dc8789ad9f377d852b8cb4687"`
[INFO] running `"docker" "rm" "-f" "232ef05530f76144b68a68c911932ebe9313b87dc8789ad9f377d852b8cb4687"`
[INFO] [stdout] 232ef05530f76144b68a68c911932ebe9313b87dc8789ad9f377d852b8cb4687
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NeuronCrossroads/rust-practice:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65218038babf450fd2d09dc3cca8719651ef3acee59b89568ef7e1cfbb3e11b4
[INFO] running `"docker" "start" "-a" "65218038babf450fd2d09dc3cca8719651ef3acee59b89568ef7e1cfbb3e11b4"`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "65218038babf450fd2d09dc3cca8719651ef3acee59b89568ef7e1cfbb3e11b4"`
[INFO] running `"docker" "rm" "-f" "65218038babf450fd2d09dc3cca8719651ef3acee59b89568ef7e1cfbb3e11b4"`
[INFO] [stdout] 65218038babf450fd2d09dc3cca8719651ef3acee59b89568ef7e1cfbb3e11b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NeuronCrossroads/rust-practice:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 33eea0120238d1fbcbbcdc160cca7da089319cab6ef23121a74e028b883c7c4d
[INFO] running `"docker" "start" "-a" "33eea0120238d1fbcbbcdc160cca7da089319cab6ef23121a74e028b883c7c4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tutorial-103af9d43ef184d0
[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" "33eea0120238d1fbcbbcdc160cca7da089319cab6ef23121a74e028b883c7c4d"`
[INFO] running `"docker" "rm" "-f" "33eea0120238d1fbcbbcdc160cca7da089319cab6ef23121a74e028b883c7c4d"`
[INFO] [stdout] 33eea0120238d1fbcbbcdc160cca7da089319cab6ef23121a74e028b883c7c4d