[INFO] updating cached repository fairingrey/hello_webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fairingrey/hello_webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fairingrey/hello_webserver" "work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/hello_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/hello_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fairingrey/hello_webserver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/hello_webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/hello_webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aeac2ae82be83eb147252357ae174dba1cf1b706
[INFO] sha for GitHub repo fairingrey/hello_webserver: aeac2ae82be83eb147252357ae174dba1cf1b706
[INFO] validating manifest of fairingrey/hello_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 fairingrey/hello_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 fairingrey/hello_webserver
[INFO] finished frobbing fairingrey/hello_webserver
[INFO] frobbed toml for fairingrey/hello_webserver written to work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/hello_webserver/Cargo.toml
[INFO] started frobbing fairingrey/hello_webserver
[INFO] finished frobbing fairingrey/hello_webserver
[INFO] frobbed toml for fairingrey/hello_webserver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/hello_webserver/Cargo.toml
[INFO] crate fairingrey/hello_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 fairingrey/hello_webserver 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/hello_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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 92735526da7f059f02c594f3a75bb7a168b06f88519b382825a8310037b406e1
[INFO] running `"docker" "start" "-a" "92735526da7f059f02c594f3a75bb7a168b06f88519b382825a8310037b406e1"`
[INFO] [stderr]    Compiling hello_webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | 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 1.25s
[INFO] running `"docker" "inspect" "92735526da7f059f02c594f3a75bb7a168b06f88519b382825a8310037b406e1"`
[INFO] running `"docker" "rm" "-f" "92735526da7f059f02c594f3a75bb7a168b06f88519b382825a8310037b406e1"`
[INFO] [stdout] 92735526da7f059f02c594f3a75bb7a168b06f88519b382825a8310037b406e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/hello_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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0f76f832a6ee2c76a2ec7cd68c07aee45349f92ff767c8151c0868c26dc11c9
[INFO] running `"docker" "start" "-a" "a0f76f832a6ee2c76a2ec7cd68c07aee45349f92ff767c8151c0868c26dc11c9"`
[INFO] [stderr]    Compiling hello_webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | 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 0.93s
[INFO] running `"docker" "inspect" "a0f76f832a6ee2c76a2ec7cd68c07aee45349f92ff767c8151c0868c26dc11c9"`
[INFO] running `"docker" "rm" "-f" "a0f76f832a6ee2c76a2ec7cd68c07aee45349f92ff767c8151c0868c26dc11c9"`
[INFO] [stdout] a0f76f832a6ee2c76a2ec7cd68c07aee45349f92ff767c8151c0868c26dc11c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/hello_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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9dbc03fcf7f64b468b6f9f2750c915bf8d228441587615b10ab119bd33c4f35e
[INFO] running `"docker" "start" "-a" "9dbc03fcf7f64b468b6f9f2750c915bf8d228441587615b10ab119bd33c4f35e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_webserver-ea12b0a97b5a795d
[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/hello_webserver-67d9110f95684895
[INFO] [stderr]    Doc-tests hello_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] [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" "9dbc03fcf7f64b468b6f9f2750c915bf8d228441587615b10ab119bd33c4f35e"`
[INFO] running `"docker" "rm" "-f" "9dbc03fcf7f64b468b6f9f2750c915bf8d228441587615b10ab119bd33c4f35e"`
[INFO] [stdout] 9dbc03fcf7f64b468b6f9f2750c915bf8d228441587615b10ab119bd33c4f35e