[INFO] updating cached repository g-s-k/rust-book-v2-websrv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/g-s-k/rust-book-v2-websrv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/g-s-k/rust-book-v2-websrv" "work/ex/beta-1.38-1/sources/1.37.0/gh/g-s-k/rust-book-v2-websrv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/g-s-k/rust-book-v2-websrv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/g-s-k/rust-book-v2-websrv" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-websrv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-websrv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24fb053cfe440d929b83363e6addfae87d1ff859
[INFO] sha for GitHub repo g-s-k/rust-book-v2-websrv: 24fb053cfe440d929b83363e6addfae87d1ff859
[INFO] validating manifest of g-s-k/rust-book-v2-websrv 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 g-s-k/rust-book-v2-websrv 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 g-s-k/rust-book-v2-websrv
[INFO] finished frobbing g-s-k/rust-book-v2-websrv
[INFO] frobbed toml for g-s-k/rust-book-v2-websrv written to work/ex/beta-1.38-1/sources/1.37.0/gh/g-s-k/rust-book-v2-websrv/Cargo.toml
[INFO] started frobbing g-s-k/rust-book-v2-websrv
[INFO] finished frobbing g-s-k/rust-book-v2-websrv
[INFO] frobbed toml for g-s-k/rust-book-v2-websrv written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/g-s-k/rust-book-v2-websrv/Cargo.toml
[INFO] crate g-s-k/rust-book-v2-websrv 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 g-s-k/rust-book-v2-websrv 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-7/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/g-s-k/rust-book-v2-websrv:/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] 91e936d1517c64c78b5d19c337de9cb54254406e92a0655300fdbc0b51567135
[INFO] running `"docker" "start" "-a" "91e936d1517c64c78b5d19c337de9cb54254406e92a0655300fdbc0b51567135"`
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:16
[INFO] [stderr]     |
[INFO] [stderr] 103 | 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "91e936d1517c64c78b5d19c337de9cb54254406e92a0655300fdbc0b51567135"`
[INFO] running `"docker" "rm" "-f" "91e936d1517c64c78b5d19c337de9cb54254406e92a0655300fdbc0b51567135"`
[INFO] [stdout] 91e936d1517c64c78b5d19c337de9cb54254406e92a0655300fdbc0b51567135
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/g-s-k/rust-book-v2-websrv:/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] 7e5a675d7214a134b010a7dae2353c38804ae688687418044106418933644a0c
[INFO] running `"docker" "start" "-a" "7e5a675d7214a134b010a7dae2353c38804ae688687418044106418933644a0c"`
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:16
[INFO] [stderr]     |
[INFO] [stderr] 103 | 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "7e5a675d7214a134b010a7dae2353c38804ae688687418044106418933644a0c"`
[INFO] running `"docker" "rm" "-f" "7e5a675d7214a134b010a7dae2353c38804ae688687418044106418933644a0c"`
[INFO] [stdout] 7e5a675d7214a134b010a7dae2353c38804ae688687418044106418933644a0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/g-s-k/rust-book-v2-websrv:/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] 772ae38505d7fefff2d25c76f20ae5f32d8a9ff013e0a5d56120b073f2dc971d
[INFO] running `"docker" "start" "-a" "772ae38505d7fefff2d25c76f20ae5f32d8a9ff013e0a5d56120b073f2dc971d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/websrv-2d1e35a4ae0f1e11
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] Worker 0 was told to terminate.
[INFO] [stdout] Worker 1 was told to terminate.
[INFO] [stdout] Worker 2 was told to terminate.
[INFO] [stdout] Worker 3 was told to terminate.
[INFO] [stdout] test test::make_new_pool ... ok
[INFO] [stdout] test test::must_have_some_threads ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-8b13bac1a7365987
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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] [stderr]    Doc-tests websrv
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - ThreadPool::new (line 27) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::execute (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "772ae38505d7fefff2d25c76f20ae5f32d8a9ff013e0a5d56120b073f2dc971d"`
[INFO] running `"docker" "rm" "-f" "772ae38505d7fefff2d25c76f20ae5f32d8a9ff013e0a5d56120b073f2dc971d"`
[INFO] [stdout] 772ae38505d7fefff2d25c76f20ae5f32d8a9ff013e0a5d56120b073f2dc971d