[INFO] updating cached repository vterdunov/rust-learning
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vterdunov/rust-learning
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vterdunov/rust-learning" "work/ex/beta-1.37-6/sources/1.36.0/gh/vterdunov/rust-learning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/vterdunov/rust-learning'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vterdunov/rust-learning" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vterdunov/rust-learning"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vterdunov/rust-learning'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 618ef80b13855c02a9ffc5271d0690883a79d333
[INFO] sha for GitHub repo vterdunov/rust-learning: 618ef80b13855c02a9ffc5271d0690883a79d333
[INFO] validating manifest of vterdunov/rust-learning 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 vterdunov/rust-learning 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 vterdunov/rust-learning
[INFO] finished frobbing vterdunov/rust-learning
[INFO] frobbed toml for vterdunov/rust-learning written to work/ex/beta-1.37-6/sources/1.36.0/gh/vterdunov/rust-learning/Cargo.toml
[INFO] started frobbing vterdunov/rust-learning
[INFO] finished frobbing vterdunov/rust-learning
[INFO] frobbed toml for vterdunov/rust-learning written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vterdunov/rust-learning/Cargo.toml
[INFO] crate vterdunov/rust-learning 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 vterdunov/rust-learning 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vterdunov/rust-learning:/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] 61745a6d483542314ad7af8ff0d33f78fc27946600b669f04099b68a2ec6aa7a
[INFO] running `"docker" "start" "-a" "61745a6d483542314ad7af8ff0d33f78fc27946600b669f04099b68a2ec6aa7a"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "61745a6d483542314ad7af8ff0d33f78fc27946600b669f04099b68a2ec6aa7a"`
[INFO] running `"docker" "rm" "-f" "61745a6d483542314ad7af8ff0d33f78fc27946600b669f04099b68a2ec6aa7a"`
[INFO] [stdout] 61745a6d483542314ad7af8ff0d33f78fc27946600b669f04099b68a2ec6aa7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vterdunov/rust-learning:/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] 0e5f649b75ea679098bba2d12d80bcfea4ffe179fc2f870c065e2e460a97d999
[INFO] running `"docker" "start" "-a" "0e5f649b75ea679098bba2d12d80bcfea4ffe179fc2f870c065e2e460a97d999"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "0e5f649b75ea679098bba2d12d80bcfea4ffe179fc2f870c065e2e460a97d999"`
[INFO] running `"docker" "rm" "-f" "0e5f649b75ea679098bba2d12d80bcfea4ffe179fc2f870c065e2e460a97d999"`
[INFO] [stdout] 0e5f649b75ea679098bba2d12d80bcfea4ffe179fc2f870c065e2e460a97d999
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vterdunov/rust-learning:/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] d8bd02f8bac6562e4bf4531c8aaebb1e54ce8fa81cd31b177ca93fd6fffe86e1
[INFO] running `"docker" "start" "-a" "d8bd02f8bac6562e4bf4531c8aaebb1e54ce8fa81cd31b177ca93fd6fffe86e1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-65c7fd04484530bd
[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] [stderr]      Running /opt/crater/target/debug/deps/hello_world-902890fb5d88fa09
[INFO] [stdout] 
[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] [stderr]    Doc-tests hello_world
[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" "d8bd02f8bac6562e4bf4531c8aaebb1e54ce8fa81cd31b177ca93fd6fffe86e1"`
[INFO] running `"docker" "rm" "-f" "d8bd02f8bac6562e4bf4531c8aaebb1e54ce8fa81cd31b177ca93fd6fffe86e1"`
[INFO] [stdout] d8bd02f8bac6562e4bf4531c8aaebb1e54ce8fa81cd31b177ca93fd6fffe86e1