[INFO] updating cached repository bill-bishop/rust-webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bill-bishop/rust-webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bill-bishop/rust-webserver" "work/ex/beta-1.38-1/sources/1.37.0/gh/bill-bishop/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bill-bishop/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bill-bishop/rust-webserver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bill-bishop/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bill-bishop/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 38e3cec3795927b2f39126f3fee615fe1889047f
[INFO] sha for GitHub repo bill-bishop/rust-webserver: 38e3cec3795927b2f39126f3fee615fe1889047f
[INFO] validating manifest of bill-bishop/rust-webserver 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 bill-bishop/rust-webserver 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 bill-bishop/rust-webserver
[INFO] finished frobbing bill-bishop/rust-webserver
[INFO] frobbed toml for bill-bishop/rust-webserver written to work/ex/beta-1.38-1/sources/1.37.0/gh/bill-bishop/rust-webserver/Cargo.toml
[INFO] started frobbing bill-bishop/rust-webserver
[INFO] finished frobbing bill-bishop/rust-webserver
[INFO] frobbed toml for bill-bishop/rust-webserver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bill-bishop/rust-webserver/Cargo.toml
[INFO] crate bill-bishop/rust-webserver 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 bill-bishop/rust-webserver 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/bill-bishop/rust-webserver:/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] 66aa57d70d6ad16a60060f81c89cb61ea9656d5fa81ac707e2f8742c560e624c
[INFO] running `"docker" "start" "-a" "66aa57d70d6ad16a60060f81c89cb61ea9656d5fa81ac707e2f8742c560e624c"`
[INFO] [stderr]    Compiling rustserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 | type Job = Box<FnBox + Send>;
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "66aa57d70d6ad16a60060f81c89cb61ea9656d5fa81ac707e2f8742c560e624c"`
[INFO] running `"docker" "rm" "-f" "66aa57d70d6ad16a60060f81c89cb61ea9656d5fa81ac707e2f8742c560e624c"`
[INFO] [stdout] 66aa57d70d6ad16a60060f81c89cb61ea9656d5fa81ac707e2f8742c560e624c
[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/bill-bishop/rust-webserver:/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] c0ae99ab0be1382fd13a624863d6d244e9ee2f881c3969d93775c45077566cf7
[INFO] running `"docker" "start" "-a" "c0ae99ab0be1382fd13a624863d6d244e9ee2f881c3969d93775c45077566cf7"`
[INFO] [stderr]    Compiling rustserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 | type Job = Box<FnBox + Send>;
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "c0ae99ab0be1382fd13a624863d6d244e9ee2f881c3969d93775c45077566cf7"`
[INFO] running `"docker" "rm" "-f" "c0ae99ab0be1382fd13a624863d6d244e9ee2f881c3969d93775c45077566cf7"`
[INFO] [stdout] c0ae99ab0be1382fd13a624863d6d244e9ee2f881c3969d93775c45077566cf7
[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/bill-bishop/rust-webserver:/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] b70fb0ebc89e4823d0fb195ad0dbb9864b7d5afb94d4cfa21dc82224ceeb251c
[INFO] running `"docker" "start" "-a" "b70fb0ebc89e4823d0fb195ad0dbb9864b7d5afb94d4cfa21dc82224ceeb251c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustserver-78196ca5f0dc6cff
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustserver-90f306153bac4e7d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustserver
[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] [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] [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" "b70fb0ebc89e4823d0fb195ad0dbb9864b7d5afb94d4cfa21dc82224ceeb251c"`
[INFO] running `"docker" "rm" "-f" "b70fb0ebc89e4823d0fb195ad0dbb9864b7d5afb94d4cfa21dc82224ceeb251c"`
[INFO] [stdout] b70fb0ebc89e4823d0fb195ad0dbb9864b7d5afb94d4cfa21dc82224ceeb251c