[INFO] updating cached repository richardknox/rust-webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/richardknox/rust-webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/richardknox/rust-webserver" "work/ex/beta-1.38-1/sources/1.37.0/gh/richardknox/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/richardknox/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/richardknox/rust-webserver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardknox/rust-webserver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardknox/rust-webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e09cae424160bdfa21dc1642986dc482d31293c
[INFO] sha for GitHub repo richardknox/rust-webserver: 8e09cae424160bdfa21dc1642986dc482d31293c
[INFO] validating manifest of richardknox/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 richardknox/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 richardknox/rust-webserver
[INFO] finished frobbing richardknox/rust-webserver
[INFO] frobbed toml for richardknox/rust-webserver written to work/ex/beta-1.38-1/sources/1.37.0/gh/richardknox/rust-webserver/Cargo.toml
[INFO] started frobbing richardknox/rust-webserver
[INFO] finished frobbing richardknox/rust-webserver
[INFO] frobbed toml for richardknox/rust-webserver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/richardknox/rust-webserver/Cargo.toml
[INFO] crate richardknox/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing richardknox/rust-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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/richardknox/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0a8ea3ffee8579881f639b26e9dd1e2d2096f49c7f68c128d252324d8d3c7207
[INFO] running `"docker" "start" "-a" "0a8ea3ffee8579881f639b26e9dd1e2d2096f49c7f68c128d252324d8d3c7207"`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 | 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 1.91s
[INFO] running `"docker" "inspect" "0a8ea3ffee8579881f639b26e9dd1e2d2096f49c7f68c128d252324d8d3c7207"`
[INFO] running `"docker" "rm" "-f" "0a8ea3ffee8579881f639b26e9dd1e2d2096f49c7f68c128d252324d8d3c7207"`
[INFO] [stdout] 0a8ea3ffee8579881f639b26e9dd1e2d2096f49c7f68c128d252324d8d3c7207
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/richardknox/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 05f2e2fdf8c519138dce39a09cb997aef1bb2e8980dd671be5babdd4c63c7e69
[INFO] running `"docker" "start" "-a" "05f2e2fdf8c519138dce39a09cb997aef1bb2e8980dd671be5babdd4c63c7e69"`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 | 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 0.88s
[INFO] running `"docker" "inspect" "05f2e2fdf8c519138dce39a09cb997aef1bb2e8980dd671be5babdd4c63c7e69"`
[INFO] running `"docker" "rm" "-f" "05f2e2fdf8c519138dce39a09cb997aef1bb2e8980dd671be5babdd4c63c7e69"`
[INFO] [stdout] 05f2e2fdf8c519138dce39a09cb997aef1bb2e8980dd671be5babdd4c63c7e69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/richardknox/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d6ab58c05b02895cffd41e70f0c2defc7ac31d02bb7ef13c65b967dc032ee712
[INFO] running `"docker" "start" "-a" "d6ab58c05b02895cffd41e70f0c2defc7ac31d02bb7ef13c65b967dc032ee712"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/webserver-f411254f41cdbb03
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-d5d560414e163214
[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] [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" "d6ab58c05b02895cffd41e70f0c2defc7ac31d02bb7ef13c65b967dc032ee712"`
[INFO] running `"docker" "rm" "-f" "d6ab58c05b02895cffd41e70f0c2defc7ac31d02bb7ef13c65b967dc032ee712"`
[INFO] [stdout] d6ab58c05b02895cffd41e70f0c2defc7ac31d02bb7ef13c65b967dc032ee712