[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-1.37-6/sources/1.36.0/gh/ryanboris/learn--rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ryanboris/learn--rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanboris/learn--rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ryanboris/learn--rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ryanboris/learn--rust 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 ryanboris/learn--rust
[INFO] finished frobbing ryanboris/learn--rust
[INFO] frobbed toml for ryanboris/learn--rust written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 ryanboris/learn--rust 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 375d3f1f87cceffbef1b7369e75b3bdc4a5cb02ad08d119801543f6ca141d8ce
[INFO] running `"docker" "start" "-a" "375d3f1f87cceffbef1b7369e75b3bdc4a5cb02ad08d119801543f6ca141d8ce"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "375d3f1f87cceffbef1b7369e75b3bdc4a5cb02ad08d119801543f6ca141d8ce"`
[INFO] running `"docker" "rm" "-f" "375d3f1f87cceffbef1b7369e75b3bdc4a5cb02ad08d119801543f6ca141d8ce"`
[INFO] [stdout] 375d3f1f87cceffbef1b7369e75b3bdc4a5cb02ad08d119801543f6ca141d8ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 889b3a7b6dffd673e3c59935da8ae4fb8f58c8c50378c969f400d10cbdca0a5c
[INFO] running `"docker" "start" "-a" "889b3a7b6dffd673e3c59935da8ae4fb8f58c8c50378c969f400d10cbdca0a5c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "889b3a7b6dffd673e3c59935da8ae4fb8f58c8c50378c969f400d10cbdca0a5c"`
[INFO] running `"docker" "rm" "-f" "889b3a7b6dffd673e3c59935da8ae4fb8f58c8c50378c969f400d10cbdca0a5c"`
[INFO] [stdout] 889b3a7b6dffd673e3c59935da8ae4fb8f58c8c50378c969f400d10cbdca0a5c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 66337e3c8ab1e8a520182d6d950d2f883972c10d4bba1e8c25c4649d22e7e201
[INFO] running `"docker" "start" "-a" "66337e3c8ab1e8a520182d6d950d2f883972c10d4bba1e8c25c4649d22e7e201"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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] [stderr]      Running /opt/crater/target/debug/deps/hello-4b8eb71a071b49d4
[INFO] running `"docker" "inspect" "66337e3c8ab1e8a520182d6d950d2f883972c10d4bba1e8c25c4649d22e7e201"`
[INFO] running `"docker" "rm" "-f" "66337e3c8ab1e8a520182d6d950d2f883972c10d4bba1e8c25c4649d22e7e201"`
[INFO] [stdout] 66337e3c8ab1e8a520182d6d950d2f883972c10d4bba1e8c25c4649d22e7e201