[INFO] updating cached repository esnowkropla/rusty-web
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/esnowkropla/rusty-web
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/esnowkropla/rusty-web" "work/ex/beta-1.38-1/sources/1.37.0/gh/esnowkropla/rusty-web"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/esnowkropla/rusty-web'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/esnowkropla/rusty-web" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/esnowkropla/rusty-web"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/esnowkropla/rusty-web'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dedd8270bd440fc72e0ad3d4bab4f92bed68090c
[INFO] sha for GitHub repo esnowkropla/rusty-web: dedd8270bd440fc72e0ad3d4bab4f92bed68090c
[INFO] validating manifest of esnowkropla/rusty-web 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 esnowkropla/rusty-web 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 esnowkropla/rusty-web
[INFO] finished frobbing esnowkropla/rusty-web
[INFO] frobbed toml for esnowkropla/rusty-web written to work/ex/beta-1.38-1/sources/1.37.0/gh/esnowkropla/rusty-web/Cargo.toml
[INFO] started frobbing esnowkropla/rusty-web
[INFO] finished frobbing esnowkropla/rusty-web
[INFO] frobbed toml for esnowkropla/rusty-web written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/esnowkropla/rusty-web/Cargo.toml
[INFO] crate esnowkropla/rusty-web 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 esnowkropla/rusty-web 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esnowkropla/rusty-web:/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] f4ee45b040297a12dbee178d809d73281d1d4b3076c9171612a21b298de972e3
[INFO] running `"docker" "start" "-a" "f4ee45b040297a12dbee178d809d73281d1d4b3076c9171612a21b298de972e3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling rusty-web v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
[INFO] running `"docker" "inspect" "f4ee45b040297a12dbee178d809d73281d1d4b3076c9171612a21b298de972e3"`
[INFO] running `"docker" "rm" "-f" "f4ee45b040297a12dbee178d809d73281d1d4b3076c9171612a21b298de972e3"`
[INFO] [stdout] f4ee45b040297a12dbee178d809d73281d1d4b3076c9171612a21b298de972e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esnowkropla/rusty-web:/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] c0b046d170670ae7b40fa4bb81d89cd02c008072716243f6d5745bc5f671ee46
[INFO] running `"docker" "start" "-a" "c0b046d170670ae7b40fa4bb81d89cd02c008072716243f6d5745bc5f671ee46"`
[INFO] [stderr]    Compiling rusty-web v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `"docker" "inspect" "c0b046d170670ae7b40fa4bb81d89cd02c008072716243f6d5745bc5f671ee46"`
[INFO] running `"docker" "rm" "-f" "c0b046d170670ae7b40fa4bb81d89cd02c008072716243f6d5745bc5f671ee46"`
[INFO] [stdout] c0b046d170670ae7b40fa4bb81d89cd02c008072716243f6d5745bc5f671ee46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/esnowkropla/rusty-web:/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] 2571023b0dac168e7bfdaebef80772e1dfa17434819a4a554cc8d35b58e435bb
[INFO] running `"docker" "start" "-a" "2571023b0dac168e7bfdaebef80772e1dfa17434819a4a554cc8d35b58e435bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_web-cb9be2295941b7da
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_parse_body ... ok
[INFO] [stdout] test tests::test_parse_request_line ... ok
[INFO] [stdout] test tests::test_read_headers ... ok
[INFO] [stdout] test tests::test_make_request ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:347:21
[INFO] [stderr] stack backtrace:
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-50c431347024c098
[INFO] [stderr]    Doc-tests rusty-web
[INFO] [stdout] test tests::test_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "2571023b0dac168e7bfdaebef80772e1dfa17434819a4a554cc8d35b58e435bb"`
[INFO] running `"docker" "rm" "-f" "2571023b0dac168e7bfdaebef80772e1dfa17434819a4a554cc8d35b58e435bb"`
[INFO] [stdout] 2571023b0dac168e7bfdaebef80772e1dfa17434819a4a554cc8d35b58e435bb