[INFO] updating cached repository komamitsu/rust-toy-http-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/komamitsu/rust-toy-http-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/komamitsu/rust-toy-http-server" "work/ex/beta-1.37-6/sources/1.36.0/gh/komamitsu/rust-toy-http-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/komamitsu/rust-toy-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/komamitsu/rust-toy-http-server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/komamitsu/rust-toy-http-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/komamitsu/rust-toy-http-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bfceaf9197e31a1d20d2d5674cb0cfff0b9b5baf
[INFO] sha for GitHub repo komamitsu/rust-toy-http-server: bfceaf9197e31a1d20d2d5674cb0cfff0b9b5baf
[INFO] validating manifest of komamitsu/rust-toy-http-server on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of komamitsu/rust-toy-http-server on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing komamitsu/rust-toy-http-server
[INFO] finished frobbing komamitsu/rust-toy-http-server
[INFO] frobbed toml for komamitsu/rust-toy-http-server written to work/ex/beta-1.37-6/sources/1.36.0/gh/komamitsu/rust-toy-http-server/Cargo.toml
[INFO] started frobbing komamitsu/rust-toy-http-server
[INFO] finished frobbing komamitsu/rust-toy-http-server
[INFO] frobbed toml for komamitsu/rust-toy-http-server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/komamitsu/rust-toy-http-server/Cargo.toml
[INFO] crate komamitsu/rust-toy-http-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing komamitsu/rust-toy-http-server against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/komamitsu/rust-toy-http-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6028986389a109a839f3c77cb052d10fe441969cba4b4d0471439ef8ceed075e
[INFO] running `"docker" "start" "-a" "6028986389a109a839f3c77cb052d10fe441969cba4b4d0471439ef8ceed075e"`
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling rust-toy-http-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `"docker" "inspect" "6028986389a109a839f3c77cb052d10fe441969cba4b4d0471439ef8ceed075e"`
[INFO] running `"docker" "rm" "-f" "6028986389a109a839f3c77cb052d10fe441969cba4b4d0471439ef8ceed075e"`
[INFO] [stdout] 6028986389a109a839f3c77cb052d10fe441969cba4b4d0471439ef8ceed075e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/komamitsu/rust-toy-http-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 619c0da2d82311d25e733eda4aceb29eb263d0eeee38fed411e674ce9a64a8e7
[INFO] running `"docker" "start" "-a" "619c0da2d82311d25e733eda4aceb29eb263d0eeee38fed411e674ce9a64a8e7"`
[INFO] [stderr]    Compiling rust-toy-http-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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" "619c0da2d82311d25e733eda4aceb29eb263d0eeee38fed411e674ce9a64a8e7"`
[INFO] running `"docker" "rm" "-f" "619c0da2d82311d25e733eda4aceb29eb263d0eeee38fed411e674ce9a64a8e7"`
[INFO] [stdout] 619c0da2d82311d25e733eda4aceb29eb263d0eeee38fed411e674ce9a64a8e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/komamitsu/rust-toy-http-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7d38118035efcd811ca556a6266e65d9bf2840ef7863e53386507643574f6e68
[INFO] running `"docker" "start" "-a" "7d38118035efcd811ca556a6266e65d9bf2840ef7863e53386507643574f6e68"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_toy_http_server-20914c6a0061e48e
[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" "7d38118035efcd811ca556a6266e65d9bf2840ef7863e53386507643574f6e68"`
[INFO] running `"docker" "rm" "-f" "7d38118035efcd811ca556a6266e65d9bf2840ef7863e53386507643574f6e68"`
[INFO] [stdout] 7d38118035efcd811ca556a6266e65d9bf2840ef7863e53386507643574f6e68