[INFO] updating cached repository SolowinFXVI/LearnRUST
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SolowinFXVI/LearnRUST
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SolowinFXVI/LearnRUST" "work/ex/beta-1.38-1/sources/1.37.0/gh/SolowinFXVI/LearnRUST"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SolowinFXVI/LearnRUST'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SolowinFXVI/LearnRUST" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SolowinFXVI/LearnRUST"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SolowinFXVI/LearnRUST'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3608a09bb68eb128516c1c513a47659a0646dac7
[INFO] sha for GitHub repo SolowinFXVI/LearnRUST: 3608a09bb68eb128516c1c513a47659a0646dac7
[INFO] validating manifest of SolowinFXVI/LearnRUST on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SolowinFXVI/LearnRUST on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SolowinFXVI/LearnRUST
[INFO] finished frobbing SolowinFXVI/LearnRUST
[INFO] frobbed toml for SolowinFXVI/LearnRUST written to work/ex/beta-1.38-1/sources/1.37.0/gh/SolowinFXVI/LearnRUST/Cargo.toml
[INFO] started frobbing SolowinFXVI/LearnRUST
[INFO] finished frobbing SolowinFXVI/LearnRUST
[INFO] frobbed toml for SolowinFXVI/LearnRUST written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SolowinFXVI/LearnRUST/Cargo.toml
[INFO] crate SolowinFXVI/LearnRUST already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing SolowinFXVI/LearnRUST against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SolowinFXVI/LearnRUST:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 64ba6cebe88825cb65599073e9616f8812e79513eb1466bfed470a916692bb01
[INFO] running `"docker" "start" "-a" "64ba6cebe88825cb65599073e9616f8812e79513eb1466bfed470a916692bb01"`
[INFO] [stderr]    Compiling learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "64ba6cebe88825cb65599073e9616f8812e79513eb1466bfed470a916692bb01"`
[INFO] running `"docker" "rm" "-f" "64ba6cebe88825cb65599073e9616f8812e79513eb1466bfed470a916692bb01"`
[INFO] [stdout] 64ba6cebe88825cb65599073e9616f8812e79513eb1466bfed470a916692bb01
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SolowinFXVI/LearnRUST:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0417e71a92c9cface7a373000b33d11ae437bdbad16786639213fd6e4aaa4014
[INFO] running `"docker" "start" "-a" "0417e71a92c9cface7a373000b33d11ae437bdbad16786639213fd6e4aaa4014"`
[INFO] [stderr]    Compiling learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "0417e71a92c9cface7a373000b33d11ae437bdbad16786639213fd6e4aaa4014"`
[INFO] running `"docker" "rm" "-f" "0417e71a92c9cface7a373000b33d11ae437bdbad16786639213fd6e4aaa4014"`
[INFO] [stdout] 0417e71a92c9cface7a373000b33d11ae437bdbad16786639213fd6e4aaa4014
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SolowinFXVI/LearnRUST:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 913b3265ad46b2ec9a355bead931ad0831331b7593e23e4abeb0bb6ee3a4bc5f
[INFO] running `"docker" "start" "-a" "913b3265ad46b2ec9a355bead931ad0831331b7593e23e4abeb0bb6ee3a4bc5f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learnrust-1ee1dd0558e7b996
[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" "913b3265ad46b2ec9a355bead931ad0831331b7593e23e4abeb0bb6ee3a4bc5f"`
[INFO] running `"docker" "rm" "-f" "913b3265ad46b2ec9a355bead931ad0831331b7593e23e4abeb0bb6ee3a4bc5f"`
[INFO] [stdout] 913b3265ad46b2ec9a355bead931ad0831331b7593e23e4abeb0bb6ee3a4bc5f