[INFO] updating cached repository zhenhuanlee/simple_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zhenhuanlee/simple_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zhenhuanlee/simple_server" "work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/simple_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/simple_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zhenhuanlee/simple_server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhenhuanlee/simple_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhenhuanlee/simple_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20cdf7da76639cd291c2c6a8d9863754973598f4
[INFO] sha for GitHub repo zhenhuanlee/simple_server: 20cdf7da76639cd291c2c6a8d9863754973598f4
[INFO] validating manifest of zhenhuanlee/simple_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 zhenhuanlee/simple_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 zhenhuanlee/simple_server
[INFO] finished frobbing zhenhuanlee/simple_server
[INFO] frobbed toml for zhenhuanlee/simple_server written to work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/simple_server/Cargo.toml
[INFO] started frobbing zhenhuanlee/simple_server
[INFO] finished frobbing zhenhuanlee/simple_server
[INFO] frobbed toml for zhenhuanlee/simple_server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zhenhuanlee/simple_server/Cargo.toml
[INFO] crate zhenhuanlee/simple_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 zhenhuanlee/simple_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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zhenhuanlee/simple_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] 5763df6fdd45172551b1a5fdd2d9455d3a851167bc1d8e130b8d7e5025bd0149
[INFO] running `"docker" "start" "-a" "5763df6fdd45172551b1a5fdd2d9455d3a851167bc1d8e130b8d7e5025bd0149"`
[INFO] [stderr]    Compiling simple_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hello/lib.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/hello/lib.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   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/hello/lib.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   id: usize,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `thread`
[INFO] [stderr]   --> src/hello/lib.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   thread: thread::JoinHandle<()>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "5763df6fdd45172551b1a5fdd2d9455d3a851167bc1d8e130b8d7e5025bd0149"`
[INFO] running `"docker" "rm" "-f" "5763df6fdd45172551b1a5fdd2d9455d3a851167bc1d8e130b8d7e5025bd0149"`
[INFO] [stdout] 5763df6fdd45172551b1a5fdd2d9455d3a851167bc1d8e130b8d7e5025bd0149
[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/zhenhuanlee/simple_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] 3536fa003f286d04dc297f923c84edf2ae4f44cfaf254295b0ae07f5219c7299
[INFO] running `"docker" "start" "-a" "3536fa003f286d04dc297f923c84edf2ae4f44cfaf254295b0ae07f5219c7299"`
[INFO] [stderr]    Compiling simple_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hello/lib.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `workers`
[INFO] [stderr]  --> src/hello/lib.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   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/hello/lib.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   id: usize,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `thread`
[INFO] [stderr]   --> src/hello/lib.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   thread: thread::JoinHandle<()>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "3536fa003f286d04dc297f923c84edf2ae4f44cfaf254295b0ae07f5219c7299"`
[INFO] running `"docker" "rm" "-f" "3536fa003f286d04dc297f923c84edf2ae4f44cfaf254295b0ae07f5219c7299"`
[INFO] [stdout] 3536fa003f286d04dc297f923c84edf2ae4f44cfaf254295b0ae07f5219c7299
[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/zhenhuanlee/simple_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] a0cb6826c301b9857a494ca7f09d2a7fca784af1900cbb0f34f7837fdc193794
[INFO] running `"docker" "start" "-a" "a0cb6826c301b9857a494ca7f09d2a7fca784af1900cbb0f34f7837fdc193794"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-e20fae3add1403bd
[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/simple_server-d844c4ac9059d913
[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 hello
[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" "a0cb6826c301b9857a494ca7f09d2a7fca784af1900cbb0f34f7837fdc193794"`
[INFO] running `"docker" "rm" "-f" "a0cb6826c301b9857a494ca7f09d2a7fca784af1900cbb0f34f7837fdc193794"`
[INFO] [stdout] a0cb6826c301b9857a494ca7f09d2a7fca784af1900cbb0f34f7837fdc193794