[INFO] updating cached repository learn-you-a-rust/loops
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/learn-you-a-rust/loops
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/learn-you-a-rust/loops" "work/ex/beta-1.37-6/sources/1.36.0/gh/learn-you-a-rust/loops"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/learn-you-a-rust/loops'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/learn-you-a-rust/loops" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/loops"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/loops'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2e6d1b96218d184a45c1fa7d99cc7d06fd32152
[INFO] sha for GitHub repo learn-you-a-rust/loops: e2e6d1b96218d184a45c1fa7d99cc7d06fd32152
[INFO] validating manifest of learn-you-a-rust/loops 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 learn-you-a-rust/loops 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 learn-you-a-rust/loops
[INFO] finished frobbing learn-you-a-rust/loops
[INFO] frobbed toml for learn-you-a-rust/loops written to work/ex/beta-1.37-6/sources/1.36.0/gh/learn-you-a-rust/loops/Cargo.toml
[INFO] started frobbing learn-you-a-rust/loops
[INFO] finished frobbing learn-you-a-rust/loops
[INFO] frobbed toml for learn-you-a-rust/loops written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/loops/Cargo.toml
[INFO] crate learn-you-a-rust/loops 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 learn-you-a-rust/loops 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/learn-you-a-rust/loops:/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] 3d0ce91ba35a48266b8195deaee5190619eb9eb2538709c1ad8a900049a82ba7
[INFO] running `"docker" "start" "-a" "3d0ce91ba35a48266b8195deaee5190619eb9eb2538709c1ad8a900049a82ba7"`
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "3d0ce91ba35a48266b8195deaee5190619eb9eb2538709c1ad8a900049a82ba7"`
[INFO] running `"docker" "rm" "-f" "3d0ce91ba35a48266b8195deaee5190619eb9eb2538709c1ad8a900049a82ba7"`
[INFO] [stdout] 3d0ce91ba35a48266b8195deaee5190619eb9eb2538709c1ad8a900049a82ba7
[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/learn-you-a-rust/loops:/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] ce7bc87492ea67231f75a2e6aee611e13ba66a083258818cb5b6a508d6506e90
[INFO] running `"docker" "start" "-a" "ce7bc87492ea67231f75a2e6aee611e13ba66a083258818cb5b6a508d6506e90"`
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "ce7bc87492ea67231f75a2e6aee611e13ba66a083258818cb5b6a508d6506e90"`
[INFO] running `"docker" "rm" "-f" "ce7bc87492ea67231f75a2e6aee611e13ba66a083258818cb5b6a508d6506e90"`
[INFO] [stdout] ce7bc87492ea67231f75a2e6aee611e13ba66a083258818cb5b6a508d6506e90
[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/learn-you-a-rust/loops:/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] 51be10f77013289097936a1d36929e8d21020147bb3a0345e0d3b33e2c80ba01
[INFO] running `"docker" "start" "-a" "51be10f77013289097936a1d36929e8d21020147bb3a0345e0d3b33e2c80ba01"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loops-7e0768b8fcd3a4bb
[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" "51be10f77013289097936a1d36929e8d21020147bb3a0345e0d3b33e2c80ba01"`
[INFO] running `"docker" "rm" "-f" "51be10f77013289097936a1d36929e8d21020147bb3a0345e0d3b33e2c80ba01"`
[INFO] [stdout] 51be10f77013289097936a1d36929e8d21020147bb3a0345e0d3b33e2c80ba01