[INFO] updating cached repository webdesserts/simple-rust-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/webdesserts/simple-rust-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/webdesserts/simple-rust-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/webdesserts/simple-rust-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/webdesserts/simple-rust-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/webdesserts/simple-rust-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d446dbc0e154c632f7950a3d7433fcb22d85ea4a
[INFO] sha for GitHub repo webdesserts/simple-rust-server: d446dbc0e154c632f7950a3d7433fcb22d85ea4a
[INFO] validating manifest of webdesserts/simple-rust-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 webdesserts/simple-rust-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 webdesserts/simple-rust-server
[INFO] finished frobbing webdesserts/simple-rust-server
[INFO] frobbed toml for webdesserts/simple-rust-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-server/Cargo.toml
[INFO] started frobbing webdesserts/simple-rust-server
[INFO] finished frobbing webdesserts/simple-rust-server
[INFO] frobbed toml for webdesserts/simple-rust-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/webdesserts/simple-rust-server/Cargo.toml
[INFO] crate webdesserts/simple-rust-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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-server/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 webdesserts/simple-rust-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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-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] 1a09bef1e588dac509da53ad51cbb494aed6893d9cccb53e413b979807676381
[INFO] running `"docker" "start" "-a" "1a09bef1e588dac509da53ad51cbb494aed6893d9cccb53e413b979807676381"`
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling urlencoded v0.6.0
[INFO] [stderr]    Compiling simple-rust-server v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.88s
[INFO] running `"docker" "inspect" "1a09bef1e588dac509da53ad51cbb494aed6893d9cccb53e413b979807676381"`
[INFO] running `"docker" "rm" "-f" "1a09bef1e588dac509da53ad51cbb494aed6893d9cccb53e413b979807676381"`
[INFO] [stdout] 1a09bef1e588dac509da53ad51cbb494aed6893d9cccb53e413b979807676381
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-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] fa3a7a035e94d919d1bd512ab10902cff193ddfdda217c3f040e2dd74cbb5cfd
[INFO] running `"docker" "start" "-a" "fa3a7a035e94d919d1bd512ab10902cff193ddfdda217c3f040e2dd74cbb5cfd"`
[INFO] [stderr]    Compiling simple-rust-server v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "fa3a7a035e94d919d1bd512ab10902cff193ddfdda217c3f040e2dd74cbb5cfd"`
[INFO] running `"docker" "rm" "-f" "fa3a7a035e94d919d1bd512ab10902cff193ddfdda217c3f040e2dd74cbb5cfd"`
[INFO] [stdout] fa3a7a035e94d919d1bd512ab10902cff193ddfdda217c3f040e2dd74cbb5cfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/webdesserts/simple-rust-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] e2d2aadd176678460cc43e049c93d09f99a330ba1aecd24b5b8d5e4b9c9be754
[INFO] running `"docker" "start" "-a" "e2d2aadd176678460cc43e049c93d09f99a330ba1aecd24b5b8d5e4b9c9be754"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_rust_server-864431986e2128b7
[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" "e2d2aadd176678460cc43e049c93d09f99a330ba1aecd24b5b8d5e4b9c9be754"`
[INFO] running `"docker" "rm" "-f" "e2d2aadd176678460cc43e049c93d09f99a330ba1aecd24b5b8d5e4b9c9be754"`
[INFO] [stdout] e2d2aadd176678460cc43e049c93d09f99a330ba1aecd24b5b8d5e4b9c9be754