[INFO] updating cached repository CGQAQ/rust-exercises
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CGQAQ/rust-exercises
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CGQAQ/rust-exercises" "work/ex/beta-1.37-6/sources/1.36.0/gh/CGQAQ/rust-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/CGQAQ/rust-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CGQAQ/rust-exercises" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CGQAQ/rust-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CGQAQ/rust-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c745c44d5f1e9c5801e7db0c18fc7278836cd7e
[INFO] sha for GitHub repo CGQAQ/rust-exercises: 1c745c44d5f1e9c5801e7db0c18fc7278836cd7e
[INFO] validating manifest of CGQAQ/rust-exercises 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 CGQAQ/rust-exercises 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 CGQAQ/rust-exercises
[INFO] finished frobbing CGQAQ/rust-exercises
[INFO] frobbed toml for CGQAQ/rust-exercises written to work/ex/beta-1.37-6/sources/1.36.0/gh/CGQAQ/rust-exercises/Cargo.toml
[INFO] started frobbing CGQAQ/rust-exercises
[INFO] finished frobbing CGQAQ/rust-exercises
[INFO] frobbed toml for CGQAQ/rust-exercises written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CGQAQ/rust-exercises/Cargo.toml
[INFO] crate CGQAQ/rust-exercises 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 CGQAQ/rust-exercises 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/CGQAQ/rust-exercises:/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] 83b431db50ef8fea6b39a53fb99386907e08affbb405107ce027c46643feaf2b
[INFO] running `"docker" "start" "-a" "83b431db50ef8fea6b39a53fb99386907e08affbb405107ce027c46643feaf2b"`
[INFO] [stderr]    Compiling list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "83b431db50ef8fea6b39a53fb99386907e08affbb405107ce027c46643feaf2b"`
[INFO] running `"docker" "rm" "-f" "83b431db50ef8fea6b39a53fb99386907e08affbb405107ce027c46643feaf2b"`
[INFO] [stdout] 83b431db50ef8fea6b39a53fb99386907e08affbb405107ce027c46643feaf2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/CGQAQ/rust-exercises:/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] 8c4a9c928c261d7686e91916dac225f05e5f463799eaa136288a020caa870c40
[INFO] running `"docker" "start" "-a" "8c4a9c928c261d7686e91916dac225f05e5f463799eaa136288a020caa870c40"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "8c4a9c928c261d7686e91916dac225f05e5f463799eaa136288a020caa870c40"`
[INFO] running `"docker" "rm" "-f" "8c4a9c928c261d7686e91916dac225f05e5f463799eaa136288a020caa870c40"`
[INFO] [stdout] 8c4a9c928c261d7686e91916dac225f05e5f463799eaa136288a020caa870c40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/CGQAQ/rust-exercises:/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] c706459b2865da159922ec9689e8cb74cb3ebc8c615781798e167f2bd05d3535
[INFO] running `"docker" "start" "-a" "c706459b2865da159922ec9689e8cb74cb3ebc8c615781798e167f2bd05d3535"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/list-cdcdac4f9e0d8bf3
[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" "c706459b2865da159922ec9689e8cb74cb3ebc8c615781798e167f2bd05d3535"`
[INFO] running `"docker" "rm" "-f" "c706459b2865da159922ec9689e8cb74cb3ebc8c615781798e167f2bd05d3535"`
[INFO] [stdout] c706459b2865da159922ec9689e8cb74cb3ebc8c615781798e167f2bd05d3535