[INFO] updating cached repository aerosabe/practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aerosabe/practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aerosabe/practice" "work/ex/beta-1.37-6/sources/1.36.0/gh/aerosabe/practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aerosabe/practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aerosabe/practice" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aerosabe/practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aerosabe/practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] sha for GitHub repo aerosabe/practice: 7c7c21410d7382317158ee4d509a511ce84da63b
[INFO] validating manifest of aerosabe/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 aerosabe/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 aerosabe/practice
[INFO] finished frobbing aerosabe/practice
[INFO] frobbed toml for aerosabe/practice written to work/ex/beta-1.37-6/sources/1.36.0/gh/aerosabe/practice/Cargo.toml
[INFO] started frobbing aerosabe/practice
[INFO] finished frobbing aerosabe/practice
[INFO] frobbed toml for aerosabe/practice written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aerosabe/practice/Cargo.toml
[INFO] crate aerosabe/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing aerosabe/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-6/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/aerosabe/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] 8f7eced74547251d0a227542f5104ee7edd3622ca8f4e4038afa28b8512aa1e4
[INFO] running `"docker" "start" "-a" "8f7eced74547251d0a227542f5104ee7edd3622ca8f4e4038afa28b8512aa1e4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `"docker" "inspect" "8f7eced74547251d0a227542f5104ee7edd3622ca8f4e4038afa28b8512aa1e4"`
[INFO] running `"docker" "rm" "-f" "8f7eced74547251d0a227542f5104ee7edd3622ca8f4e4038afa28b8512aa1e4"`
[INFO] [stdout] 8f7eced74547251d0a227542f5104ee7edd3622ca8f4e4038afa28b8512aa1e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/aerosabe/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] 2980d5595aa6f1e66382efc226ff603ab6f600206b799fe301411273295cfec5
[INFO] running `"docker" "start" "-a" "2980d5595aa6f1e66382efc226ff603ab6f600206b799fe301411273295cfec5"`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "2980d5595aa6f1e66382efc226ff603ab6f600206b799fe301411273295cfec5"`
[INFO] running `"docker" "rm" "-f" "2980d5595aa6f1e66382efc226ff603ab6f600206b799fe301411273295cfec5"`
[INFO] [stdout] 2980d5595aa6f1e66382efc226ff603ab6f600206b799fe301411273295cfec5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/aerosabe/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] 5d492ba5a9fcc9daab5afb922947e2b012a5f10c3d32965821cd2e4d806ea215
[INFO] running `"docker" "start" "-a" "5d492ba5a9fcc9daab5afb922947e2b012a5f10c3d32965821cd2e4d806ea215"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/practice-19f934dee05bd140
[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" "5d492ba5a9fcc9daab5afb922947e2b012a5f10c3d32965821cd2e4d806ea215"`
[INFO] running `"docker" "rm" "-f" "5d492ba5a9fcc9daab5afb922947e2b012a5f10c3d32965821cd2e4d806ea215"`
[INFO] [stdout] 5d492ba5a9fcc9daab5afb922947e2b012a5f10c3d32965821cd2e4d806ea215