[INFO] updating cached repository jakegornall/learn_structs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jakegornall/learn_structs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jakegornall/learn_structs" "work/ex/beta-1.37-6/sources/1.36.0/gh/jakegornall/learn_structs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jakegornall/learn_structs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jakegornall/learn_structs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakegornall/learn_structs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakegornall/learn_structs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1f0031dc44513dc5f1db1417d27c38236b4e799
[INFO] sha for GitHub repo jakegornall/learn_structs: c1f0031dc44513dc5f1db1417d27c38236b4e799
[INFO] validating manifest of jakegornall/learn_structs 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 jakegornall/learn_structs 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 jakegornall/learn_structs
[INFO] finished frobbing jakegornall/learn_structs
[INFO] frobbed toml for jakegornall/learn_structs written to work/ex/beta-1.37-6/sources/1.36.0/gh/jakegornall/learn_structs/Cargo.toml
[INFO] started frobbing jakegornall/learn_structs
[INFO] finished frobbing jakegornall/learn_structs
[INFO] frobbed toml for jakegornall/learn_structs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakegornall/learn_structs/Cargo.toml
[INFO] crate jakegornall/learn_structs 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 jakegornall/learn_structs 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-6/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/jakegornall/learn_structs:/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] 891609a62222c37479c90161c99414558412f37cdef6696acd2beec207f68350
[INFO] running `"docker" "start" "-a" "891609a62222c37479c90161c99414558412f37cdef6696acd2beec207f68350"`
[INFO] [stderr]    Compiling learn_structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "891609a62222c37479c90161c99414558412f37cdef6696acd2beec207f68350"`
[INFO] running `"docker" "rm" "-f" "891609a62222c37479c90161c99414558412f37cdef6696acd2beec207f68350"`
[INFO] [stdout] 891609a62222c37479c90161c99414558412f37cdef6696acd2beec207f68350
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/jakegornall/learn_structs:/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] c8d125897f2f1c1a923f5b8423cb272e23e1298b11f392310aeca36805f920f6
[INFO] running `"docker" "start" "-a" "c8d125897f2f1c1a923f5b8423cb272e23e1298b11f392310aeca36805f920f6"`
[INFO] [stderr]    Compiling learn_structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "c8d125897f2f1c1a923f5b8423cb272e23e1298b11f392310aeca36805f920f6"`
[INFO] running `"docker" "rm" "-f" "c8d125897f2f1c1a923f5b8423cb272e23e1298b11f392310aeca36805f920f6"`
[INFO] [stdout] c8d125897f2f1c1a923f5b8423cb272e23e1298b11f392310aeca36805f920f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/jakegornall/learn_structs:/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] fde6999660477928c9fccc6cf28544a628d244e4a0093253da24d965c7e404da
[INFO] running `"docker" "start" "-a" "fde6999660477928c9fccc6cf28544a628d244e4a0093253da24d965c7e404da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learn_structs-d1f10a55aed7563e
[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" "fde6999660477928c9fccc6cf28544a628d244e4a0093253da24d965c7e404da"`
[INFO] running `"docker" "rm" "-f" "fde6999660477928c9fccc6cf28544a628d244e4a0093253da24d965c7e404da"`
[INFO] [stdout] fde6999660477928c9fccc6cf28544a628d244e4a0093253da24d965c7e404da