[INFO] updating cached repository JohanBaskovec/learningrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JohanBaskovec/learningrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JohanBaskovec/learningrust" "work/ex/beta-1.37-6/sources/1.36.0/gh/JohanBaskovec/learningrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JohanBaskovec/learningrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JohanBaskovec/learningrust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JohanBaskovec/learningrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JohanBaskovec/learningrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5d50d3b2e16816e164e86b42e54e08a38d5e267
[INFO] sha for GitHub repo JohanBaskovec/learningrust: c5d50d3b2e16816e164e86b42e54e08a38d5e267
[INFO] validating manifest of JohanBaskovec/learningrust 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 JohanBaskovec/learningrust 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 JohanBaskovec/learningrust
[INFO] finished frobbing JohanBaskovec/learningrust
[INFO] frobbed toml for JohanBaskovec/learningrust written to work/ex/beta-1.37-6/sources/1.36.0/gh/JohanBaskovec/learningrust/Cargo.toml
[INFO] started frobbing JohanBaskovec/learningrust
[INFO] finished frobbing JohanBaskovec/learningrust
[INFO] frobbed toml for JohanBaskovec/learningrust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JohanBaskovec/learningrust/Cargo.toml
[INFO] crate JohanBaskovec/learningrust 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 JohanBaskovec/learningrust 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-5/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/JohanBaskovec/learningrust:/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] 746c9699e89f7180a476e1fb065e25cc9a88c94a66fbe60cbe8f5f46e8b34186
[INFO] running `"docker" "start" "-a" "746c9699e89f7180a476e1fb065e25cc9a88c94a66fbe60cbe8f5f46e8b34186"`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling learningrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `"docker" "inspect" "746c9699e89f7180a476e1fb065e25cc9a88c94a66fbe60cbe8f5f46e8b34186"`
[INFO] running `"docker" "rm" "-f" "746c9699e89f7180a476e1fb065e25cc9a88c94a66fbe60cbe8f5f46e8b34186"`
[INFO] [stdout] 746c9699e89f7180a476e1fb065e25cc9a88c94a66fbe60cbe8f5f46e8b34186
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/JohanBaskovec/learningrust:/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] 491c6aea58243d60bd7bf4ba67e387d3b087676826a67d8b982224a995d835a6
[INFO] running `"docker" "start" "-a" "491c6aea58243d60bd7bf4ba67e387d3b087676826a67d8b982224a995d835a6"`
[INFO] [stderr]    Compiling learningrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "491c6aea58243d60bd7bf4ba67e387d3b087676826a67d8b982224a995d835a6"`
[INFO] running `"docker" "rm" "-f" "491c6aea58243d60bd7bf4ba67e387d3b087676826a67d8b982224a995d835a6"`
[INFO] [stdout] 491c6aea58243d60bd7bf4ba67e387d3b087676826a67d8b982224a995d835a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/JohanBaskovec/learningrust:/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] cfa843c44468ebb2c2a991f7f3dfc7d70b2ea2d896234c949d31e0cf393f124a
[INFO] running `"docker" "start" "-a" "cfa843c44468ebb2c2a991f7f3dfc7d70b2ea2d896234c949d31e0cf393f124a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learningrust-855b5da2afe949a0
[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" "cfa843c44468ebb2c2a991f7f3dfc7d70b2ea2d896234c949d31e0cf393f124a"`
[INFO] running `"docker" "rm" "-f" "cfa843c44468ebb2c2a991f7f3dfc7d70b2ea2d896234c949d31e0cf393f124a"`
[INFO] [stdout] cfa843c44468ebb2c2a991f7f3dfc7d70b2ea2d896234c949d31e0cf393f124a