[INFO] updating cached repository krlanguet/learning_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krlanguet/learning_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krlanguet/learning_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/krlanguet/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/krlanguet/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krlanguet/learning_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/krlanguet/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/krlanguet/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 992963022d02823ea3d31cc84502aabeca95117e
[INFO] sha for GitHub repo krlanguet/learning_rust: 992963022d02823ea3d31cc84502aabeca95117e
[INFO] validating manifest of krlanguet/learning_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 krlanguet/learning_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 krlanguet/learning_rust
[INFO] finished frobbing krlanguet/learning_rust
[INFO] frobbed toml for krlanguet/learning_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/krlanguet/learning_rust/Cargo.toml
[INFO] started frobbing krlanguet/learning_rust
[INFO] finished frobbing krlanguet/learning_rust
[INFO] frobbed toml for krlanguet/learning_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/krlanguet/learning_rust/Cargo.toml
[INFO] crate krlanguet/learning_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 krlanguet/learning_rust 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-1/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/krlanguet/learning_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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ad7b3c7d844b57747893c87b6a873925d19d725c8bc6d2096e1915797f4e5a13
[INFO] running `"docker" "start" "-a" "ad7b3c7d844b57747893c87b6a873925d19d725c8bc6d2096e1915797f4e5a13"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "ad7b3c7d844b57747893c87b6a873925d19d725c8bc6d2096e1915797f4e5a13"`
[INFO] running `"docker" "rm" "-f" "ad7b3c7d844b57747893c87b6a873925d19d725c8bc6d2096e1915797f4e5a13"`
[INFO] [stdout] ad7b3c7d844b57747893c87b6a873925d19d725c8bc6d2096e1915797f4e5a13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/krlanguet/learning_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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4498b2d05a8682f0adbf8f74eee6089abd13423c5c0d4aeddb8e66cc1703e1f7
[INFO] running `"docker" "start" "-a" "4498b2d05a8682f0adbf8f74eee6089abd13423c5c0d4aeddb8e66cc1703e1f7"`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "4498b2d05a8682f0adbf8f74eee6089abd13423c5c0d4aeddb8e66cc1703e1f7"`
[INFO] running `"docker" "rm" "-f" "4498b2d05a8682f0adbf8f74eee6089abd13423c5c0d4aeddb8e66cc1703e1f7"`
[INFO] [stdout] 4498b2d05a8682f0adbf8f74eee6089abd13423c5c0d4aeddb8e66cc1703e1f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/krlanguet/learning_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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c66847881c8787e718ca5f19da7fd357007a5c4e2e7e332a4bc402c10a880098
[INFO] running `"docker" "start" "-a" "c66847881c8787e718ca5f19da7fd357007a5c4e2e7e332a4bc402c10a880098"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust-b11ef664792947e5
[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" "c66847881c8787e718ca5f19da7fd357007a5c4e2e7e332a4bc402c10a880098"`
[INFO] running `"docker" "rm" "-f" "c66847881c8787e718ca5f19da7fd357007a5c4e2e7e332a4bc402c10a880098"`
[INFO] [stdout] c66847881c8787e718ca5f19da7fd357007a5c4e2e7e332a4bc402c10a880098