[INFO] updating cached repository achntrl/rust-webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/achntrl/rust-webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/achntrl/rust-webserver" "work/ex/beta-1.38-1/sources/1.37.0/gh/achntrl/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/achntrl/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/achntrl/rust-webserver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/achntrl/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/achntrl/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e5ff503ccb0ad9a3a068a8e76e259d3a5ea19701
[INFO] sha for GitHub repo achntrl/rust-webserver: e5ff503ccb0ad9a3a068a8e76e259d3a5ea19701
[INFO] validating manifest of achntrl/rust-webserver 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 achntrl/rust-webserver 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 achntrl/rust-webserver
[INFO] finished frobbing achntrl/rust-webserver
[INFO] frobbed toml for achntrl/rust-webserver written to work/ex/beta-1.38-1/sources/1.37.0/gh/achntrl/rust-webserver/Cargo.toml
[INFO] started frobbing achntrl/rust-webserver
[INFO] finished frobbing achntrl/rust-webserver
[INFO] frobbed toml for achntrl/rust-webserver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/achntrl/rust-webserver/Cargo.toml
[INFO] crate achntrl/rust-webserver 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 achntrl/rust-webserver 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/achntrl/rust-webserver:/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] 847e43371ff681acc8897dbb157c20efe83c2a6c408b57ce67d1301a75e55ceb
[INFO] running `"docker" "start" "-a" "847e43371ff681acc8897dbb157c20efe83c2a6c408b57ce67d1301a75e55ceb"`
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling webserver v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `"docker" "inspect" "847e43371ff681acc8897dbb157c20efe83c2a6c408b57ce67d1301a75e55ceb"`
[INFO] running `"docker" "rm" "-f" "847e43371ff681acc8897dbb157c20efe83c2a6c408b57ce67d1301a75e55ceb"`
[INFO] [stdout] 847e43371ff681acc8897dbb157c20efe83c2a6c408b57ce67d1301a75e55ceb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/achntrl/rust-webserver:/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] dd1e653098067e8da2edde4c189a9bbbf6d37ceb85931b8c003c7d221cc4aed8
[INFO] running `"docker" "start" "-a" "dd1e653098067e8da2edde4c189a9bbbf6d37ceb85931b8c003c7d221cc4aed8"`
[INFO] [stderr]    Compiling webserver v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "dd1e653098067e8da2edde4c189a9bbbf6d37ceb85931b8c003c7d221cc4aed8"`
[INFO] running `"docker" "rm" "-f" "dd1e653098067e8da2edde4c189a9bbbf6d37ceb85931b8c003c7d221cc4aed8"`
[INFO] [stdout] dd1e653098067e8da2edde4c189a9bbbf6d37ceb85931b8c003c7d221cc4aed8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/achntrl/rust-webserver:/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] c9509ee440ade2bc489d057fad4bb2f67070268000d40a20bec2b6d505c03b4a
[INFO] running `"docker" "start" "-a" "c9509ee440ade2bc489d057fad4bb2f67070268000d40a20bec2b6d505c03b4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/webserver-e98786f49da0a904
[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" "c9509ee440ade2bc489d057fad4bb2f67070268000d40a20bec2b6d505c03b4a"`
[INFO] running `"docker" "rm" "-f" "c9509ee440ade2bc489d057fad4bb2f67070268000d40a20bec2b6d505c03b4a"`
[INFO] [stdout] c9509ee440ade2bc489d057fad4bb2f67070268000d40a20bec2b6d505c03b4a