[INFO] updating cached repository drakemain/rust-web-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drakemain/rust-web-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drakemain/rust-web-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/drakemain/rust-web-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drakemain/rust-web-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drakemain/rust-web-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drakemain/rust-web-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drakemain/rust-web-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce11bd5a88bfe025f9fac143690b17a24ba0b736
[INFO] sha for GitHub repo drakemain/rust-web-server: ce11bd5a88bfe025f9fac143690b17a24ba0b736
[INFO] validating manifest of drakemain/rust-web-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 drakemain/rust-web-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 drakemain/rust-web-server
[INFO] finished frobbing drakemain/rust-web-server
[INFO] frobbed toml for drakemain/rust-web-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/drakemain/rust-web-server/Cargo.toml
[INFO] started frobbing drakemain/rust-web-server
[INFO] finished frobbing drakemain/rust-web-server
[INFO] frobbed toml for drakemain/rust-web-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drakemain/rust-web-server/Cargo.toml
[INFO] crate drakemain/rust-web-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 drakemain/rust-web-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-4/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/drakemain/rust-web-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] eea6da156a07ca298001c4c19dd772e2b07f8c0a4aa64a41a01da96982f3c308
[INFO] running `"docker" "start" "-a" "eea6da156a07ca298001c4c19dd772e2b07f8c0a4aa64a41a01da96982f3c308"`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/lib.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   workers: Vec<Worker>,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/lib.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   id: usize,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `thread`
[INFO] [stderr]   --> src/lib.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   thread: thread::JoinHandle<()>
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "eea6da156a07ca298001c4c19dd772e2b07f8c0a4aa64a41a01da96982f3c308"`
[INFO] running `"docker" "rm" "-f" "eea6da156a07ca298001c4c19dd772e2b07f8c0a4aa64a41a01da96982f3c308"`
[INFO] [stdout] eea6da156a07ca298001c4c19dd772e2b07f8c0a4aa64a41a01da96982f3c308
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/drakemain/rust-web-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] 75e1e7012075fcff844f8ee3137b6262ee1f94712616a91f184cbf3951627f96
[INFO] running `"docker" "start" "-a" "75e1e7012075fcff844f8ee3137b6262ee1f94712616a91f184cbf3951627f96"`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/lib.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   workers: Vec<Worker>,
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/lib.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   id: usize,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `thread`
[INFO] [stderr]   --> src/lib.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   thread: thread::JoinHandle<()>
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "75e1e7012075fcff844f8ee3137b6262ee1f94712616a91f184cbf3951627f96"`
[INFO] running `"docker" "rm" "-f" "75e1e7012075fcff844f8ee3137b6262ee1f94712616a91f184cbf3951627f96"`
[INFO] [stdout] 75e1e7012075fcff844f8ee3137b6262ee1f94712616a91f184cbf3951627f96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/drakemain/rust-web-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] 92900156d8dabaea3719de887603424a2b1f18f31b15b767c2ed053ce349f45d
[INFO] running `"docker" "start" "-a" "92900156d8dabaea3719de887603424a2b1f18f31b15b767c2ed053ce349f45d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/webserver-77619ead84f5cd56
[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-d12649f4acd98f46
[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 webserver
[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" "92900156d8dabaea3719de887603424a2b1f18f31b15b767c2ed053ce349f45d"`
[INFO] running `"docker" "rm" "-f" "92900156d8dabaea3719de887603424a2b1f18f31b15b767c2ed053ce349f45d"`
[INFO] [stdout] 92900156d8dabaea3719de887603424a2b1f18f31b15b767c2ed053ce349f45d