[INFO] updating cached repository tiuuuuPJ/rust-hands-on
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tiuuuuPJ/rust-hands-on
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tiuuuuPJ/rust-hands-on" "work/ex/beta-1.37-6/sources/1.36.0/gh/tiuuuuPJ/rust-hands-on"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tiuuuuPJ/rust-hands-on'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiuuuuPJ/rust-hands-on" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiuuuuPJ/rust-hands-on"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiuuuuPJ/rust-hands-on'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0650a28fdda0e088c0eac868f37beb930372abd
[INFO] sha for GitHub repo tiuuuuPJ/rust-hands-on: e0650a28fdda0e088c0eac868f37beb930372abd
[INFO] validating manifest of tiuuuuPJ/rust-hands-on 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 tiuuuuPJ/rust-hands-on 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 tiuuuuPJ/rust-hands-on
[INFO] finished frobbing tiuuuuPJ/rust-hands-on
[INFO] frobbed toml for tiuuuuPJ/rust-hands-on written to work/ex/beta-1.37-6/sources/1.36.0/gh/tiuuuuPJ/rust-hands-on/Cargo.toml
[INFO] started frobbing tiuuuuPJ/rust-hands-on
[INFO] finished frobbing tiuuuuPJ/rust-hands-on
[INFO] frobbed toml for tiuuuuPJ/rust-hands-on written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiuuuuPJ/rust-hands-on/Cargo.toml
[INFO] crate tiuuuuPJ/rust-hands-on 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 tiuuuuPJ/rust-hands-on 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-4/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/tiuuuuPJ/rust-hands-on:/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] f987dca93b71a95043166fcf06941a7d84ec8a8d487d65df169c4568bf396b7a
[INFO] running `"docker" "start" "-a" "f987dca93b71a95043166fcf06941a7d84ec8a8d487d65df169c4568bf396b7a"`
[INFO] [stderr]    Compiling rust-hands-on v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "f987dca93b71a95043166fcf06941a7d84ec8a8d487d65df169c4568bf396b7a"`
[INFO] running `"docker" "rm" "-f" "f987dca93b71a95043166fcf06941a7d84ec8a8d487d65df169c4568bf396b7a"`
[INFO] [stdout] f987dca93b71a95043166fcf06941a7d84ec8a8d487d65df169c4568bf396b7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/tiuuuuPJ/rust-hands-on:/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] 540b289689895d46fd84f26f9052982ac4b85e1141cef4315e1826863236e201
[INFO] running `"docker" "start" "-a" "540b289689895d46fd84f26f9052982ac4b85e1141cef4315e1826863236e201"`
[INFO] [stderr]    Compiling rust-hands-on v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "540b289689895d46fd84f26f9052982ac4b85e1141cef4315e1826863236e201"`
[INFO] running `"docker" "rm" "-f" "540b289689895d46fd84f26f9052982ac4b85e1141cef4315e1826863236e201"`
[INFO] [stdout] 540b289689895d46fd84f26f9052982ac4b85e1141cef4315e1826863236e201
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/tiuuuuPJ/rust-hands-on:/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] 084d2260a4e1cdf1f699f75c785fd0728c32f4a8f8484a6c5c19896e85ebbad5
[INFO] running `"docker" "start" "-a" "084d2260a4e1cdf1f699f75c785fd0728c32f4a8f8484a6c5c19896e85ebbad5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_hands_on-6bf324e785db246e
[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" "084d2260a4e1cdf1f699f75c785fd0728c32f4a8f8484a6c5c19896e85ebbad5"`
[INFO] running `"docker" "rm" "-f" "084d2260a4e1cdf1f699f75c785fd0728c32f4a8f8484a6c5c19896e85ebbad5"`
[INFO] [stdout] 084d2260a4e1cdf1f699f75c785fd0728c32f4a8f8484a6c5c19896e85ebbad5