[INFO] updating cached repository ruggeri/my-first-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ruggeri/my-first-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ruggeri/my-first-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/ruggeri/my-first-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ruggeri/my-first-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ruggeri/my-first-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruggeri/my-first-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruggeri/my-first-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fcfa000269d76376a31d7f75a205285d11716165
[INFO] sha for GitHub repo ruggeri/my-first-server: fcfa000269d76376a31d7f75a205285d11716165
[INFO] validating manifest of ruggeri/my-first-server 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 ruggeri/my-first-server 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 ruggeri/my-first-server
[INFO] finished frobbing ruggeri/my-first-server
[INFO] frobbed toml for ruggeri/my-first-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/ruggeri/my-first-server/Cargo.toml
[INFO] started frobbing ruggeri/my-first-server
[INFO] finished frobbing ruggeri/my-first-server
[INFO] frobbed toml for ruggeri/my-first-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ruggeri/my-first-server/Cargo.toml
[INFO] crate ruggeri/my-first-server 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ruggeri/my-first-server against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ruggeri/my-first-server:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 69c20b1f9bbfb92ced822cae12ac821b3b253a695bd9a6aa96a9ec8d84f609ed
[INFO] running `"docker" "start" "-a" "69c20b1f9bbfb92ced822cae12ac821b3b253a695bd9a6aa96a9ec8d84f609ed"`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling my-first-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `"docker" "inspect" "69c20b1f9bbfb92ced822cae12ac821b3b253a695bd9a6aa96a9ec8d84f609ed"`
[INFO] running `"docker" "rm" "-f" "69c20b1f9bbfb92ced822cae12ac821b3b253a695bd9a6aa96a9ec8d84f609ed"`
[INFO] [stdout] 69c20b1f9bbfb92ced822cae12ac821b3b253a695bd9a6aa96a9ec8d84f609ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ruggeri/my-first-server:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b48853d227942b036ebd0508ced20d486b9715f1d220c0ea71035fa3cd341ad
[INFO] running `"docker" "start" "-a" "9b48853d227942b036ebd0508ced20d486b9715f1d220c0ea71035fa3cd341ad"`
[INFO] [stderr]    Compiling my-first-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "9b48853d227942b036ebd0508ced20d486b9715f1d220c0ea71035fa3cd341ad"`
[INFO] running `"docker" "rm" "-f" "9b48853d227942b036ebd0508ced20d486b9715f1d220c0ea71035fa3cd341ad"`
[INFO] [stdout] 9b48853d227942b036ebd0508ced20d486b9715f1d220c0ea71035fa3cd341ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ruggeri/my-first-server:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 354e66dbd2ba073c13a4b8ac0cc9822d93aaafbf08cbad4c19d4c6ffff9febde
[INFO] running `"docker" "start" "-a" "354e66dbd2ba073c13a4b8ac0cc9822d93aaafbf08cbad4c19d4c6ffff9febde"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_first_server-886ed151c277a452
[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/main-efb82f2a72078ed7
[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]    Doc-tests my-first-server
[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" "354e66dbd2ba073c13a4b8ac0cc9822d93aaafbf08cbad4c19d4c6ffff9febde"`
[INFO] running `"docker" "rm" "-f" "354e66dbd2ba073c13a4b8ac0cc9822d93aaafbf08cbad4c19d4c6ffff9febde"`
[INFO] [stdout] 354e66dbd2ba073c13a4b8ac0cc9822d93aaafbf08cbad4c19d4c6ffff9febde