[INFO] updating cached repository acnologia000/fast_rust_http_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/acnologia000/fast_rust_http_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/acnologia000/fast_rust_http_server" "work/ex/beta-1.38-1/sources/1.37.0/gh/acnologia000/fast_rust_http_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/acnologia000/fast_rust_http_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/acnologia000/fast_rust_http_server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acnologia000/fast_rust_http_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acnologia000/fast_rust_http_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53e51036d6bc777e5e4eb06e9c7e50b5d495c11d
[INFO] sha for GitHub repo acnologia000/fast_rust_http_server: 53e51036d6bc777e5e4eb06e9c7e50b5d495c11d
[INFO] validating manifest of acnologia000/fast_rust_http_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 acnologia000/fast_rust_http_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 acnologia000/fast_rust_http_server
[INFO] finished frobbing acnologia000/fast_rust_http_server
[INFO] frobbed toml for acnologia000/fast_rust_http_server written to work/ex/beta-1.38-1/sources/1.37.0/gh/acnologia000/fast_rust_http_server/Cargo.toml
[INFO] started frobbing acnologia000/fast_rust_http_server
[INFO] finished frobbing acnologia000/fast_rust_http_server
[INFO] frobbed toml for acnologia000/fast_rust_http_server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acnologia000/fast_rust_http_server/Cargo.toml
[INFO] crate acnologia000/fast_rust_http_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 acnologia000/fast_rust_http_server against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acnologia000/fast_rust_http_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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1e7b3c788c09a6edf5e5d202c3dad94c0bf9f1b31f47d95d677a07ce1528d3d5
[INFO] running `"docker" "start" "-a" "1e7b3c788c09a6edf5e5d202c3dad94c0bf9f1b31f47d95d677a07ce1528d3d5"`
[INFO] [stderr]    Compiling static_http_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_dir`
[INFO] [stderr]   --> src/test.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn get_dir() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "1e7b3c788c09a6edf5e5d202c3dad94c0bf9f1b31f47d95d677a07ce1528d3d5"`
[INFO] running `"docker" "rm" "-f" "1e7b3c788c09a6edf5e5d202c3dad94c0bf9f1b31f47d95d677a07ce1528d3d5"`
[INFO] [stdout] 1e7b3c788c09a6edf5e5d202c3dad94c0bf9f1b31f47d95d677a07ce1528d3d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acnologia000/fast_rust_http_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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e27118e250ee2349eaaa86dfeed73cb1f7466b844f7aa6e17c7af2905a0729c8
[INFO] running `"docker" "start" "-a" "e27118e250ee2349eaaa86dfeed73cb1f7466b844f7aa6e17c7af2905a0729c8"`
[INFO] [stderr]    Compiling static_http_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `get_dir`
[INFO] [stderr]   --> src/test.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn get_dir() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "e27118e250ee2349eaaa86dfeed73cb1f7466b844f7aa6e17c7af2905a0729c8"`
[INFO] running `"docker" "rm" "-f" "e27118e250ee2349eaaa86dfeed73cb1f7466b844f7aa6e17c7af2905a0729c8"`
[INFO] [stdout] e27118e250ee2349eaaa86dfeed73cb1f7466b844f7aa6e17c7af2905a0729c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/acnologia000/fast_rust_http_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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] eb30de29cb8fa5a7a9589c1d8d5210066c69b7294305305723eccb4ffdb2b4bc
[INFO] running `"docker" "start" "-a" "eb30de29cb8fa5a7a9589c1d8d5210066c69b7294305305723eccb4ffdb2b4bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/static_http_server-f90432c46a09002f
[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" "eb30de29cb8fa5a7a9589c1d8d5210066c69b7294305305723eccb4ffdb2b4bc"`
[INFO] running `"docker" "rm" "-f" "eb30de29cb8fa5a7a9589c1d8d5210066c69b7294305305723eccb4ffdb2b4bc"`
[INFO] [stdout] eb30de29cb8fa5a7a9589c1d8d5210066c69b7294305305723eccb4ffdb2b4bc