[INFO] updating cached repository ryanboris/learn--rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ryanboris/learn--rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanboris/learn--rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/ryanboris/learn--rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ryanboris/learn--rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanboris/learn--rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanboris/learn--rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanboris/learn--rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 957ceb21ca749a5fb4da75a32d57ca5d31d9423d
[INFO] sha for GitHub repo ryanboris/learn--rust: 957ceb21ca749a5fb4da75a32d57ca5d31d9423d
[INFO] validating manifest of ryanboris/learn--rust 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 ryanboris/learn--rust 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 ryanboris/learn--rust
[INFO] finished frobbing ryanboris/learn--rust
[INFO] frobbed toml for ryanboris/learn--rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/ryanboris/learn--rust/Cargo.toml
[INFO] started frobbing ryanboris/learn--rust
[INFO] finished frobbing ryanboris/learn--rust
[INFO] frobbed toml for ryanboris/learn--rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanboris/learn--rust/Cargo.toml
[INFO] crate ryanboris/learn--rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ryanboris/learn--rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanboris/learn--rust:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bdeb4f26aeed67c8f72a6b33e6ff91c0a50c382818f02acc9caaf97e44e2d856
[INFO] running `"docker" "start" "-a" "bdeb4f26aeed67c8f72a6b33e6ff91c0a50c382818f02acc9caaf97e44e2d856"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "bdeb4f26aeed67c8f72a6b33e6ff91c0a50c382818f02acc9caaf97e44e2d856"`
[INFO] running `"docker" "rm" "-f" "bdeb4f26aeed67c8f72a6b33e6ff91c0a50c382818f02acc9caaf97e44e2d856"`
[INFO] [stdout] bdeb4f26aeed67c8f72a6b33e6ff91c0a50c382818f02acc9caaf97e44e2d856
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanboris/learn--rust:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 497eff27e77761b18d425e093ab982224ac926c21b3547afb17d629f5c793e9b
[INFO] running `"docker" "start" "-a" "497eff27e77761b18d425e093ab982224ac926c21b3547afb17d629f5c793e9b"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "497eff27e77761b18d425e093ab982224ac926c21b3547afb17d629f5c793e9b"`
[INFO] running `"docker" "rm" "-f" "497eff27e77761b18d425e093ab982224ac926c21b3547afb17d629f5c793e9b"`
[INFO] [stdout] 497eff27e77761b18d425e093ab982224ac926c21b3547afb17d629f5c793e9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanboris/learn--rust:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 606be2bb90cb68f415f7a65fd9943592475e8aa57122cac8e646fb2bcc2e9447
[INFO] running `"docker" "start" "-a" "606be2bb90cb68f415f7a65fd9943592475e8aa57122cac8e646fb2bcc2e9447"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-bf25bb57654ade91
[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" "606be2bb90cb68f415f7a65fd9943592475e8aa57122cac8e646fb2bcc2e9447"`
[INFO] running `"docker" "rm" "-f" "606be2bb90cb68f415f7a65fd9943592475e8aa57122cac8e646fb2bcc2e9447"`
[INFO] [stdout] 606be2bb90cb68f415f7a65fd9943592475e8aa57122cac8e646fb2bcc2e9447