[INFO] updating cached repository fzzzy/rust-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fzzzy/rust-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fzzzy/rust-echo-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fzzzy/rust-echo-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fzzzy/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fzzzy/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c61f9886487fe5c92dd9b2de0707f9fd44fab236
[INFO] sha for GitHub repo fzzzy/rust-echo-server: c61f9886487fe5c92dd9b2de0707f9fd44fab236
[INFO] validating manifest of fzzzy/rust-echo-server 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 fzzzy/rust-echo-server 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 fzzzy/rust-echo-server
[INFO] finished frobbing fzzzy/rust-echo-server
[INFO] frobbed toml for fzzzy/rust-echo-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rust-echo-server/Cargo.toml
[INFO] started frobbing fzzzy/rust-echo-server
[INFO] finished frobbing fzzzy/rust-echo-server
[INFO] frobbed toml for fzzzy/rust-echo-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fzzzy/rust-echo-server/Cargo.toml
[INFO] crate fzzzy/rust-echo-server 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 fzzzy/rust-echo-server 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rust-echo-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6cfb7ce3518607676e6dd5419b2c33cd68e2d8715484c155f140293b41fac989
[INFO] running `"docker" "start" "-a" "6cfb7ce3518607676e6dd5419b2c33cd68e2d8715484c155f140293b41fac989"`
[INFO] [stderr]    Compiling rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "6cfb7ce3518607676e6dd5419b2c33cd68e2d8715484c155f140293b41fac989"`
[INFO] running `"docker" "rm" "-f" "6cfb7ce3518607676e6dd5419b2c33cd68e2d8715484c155f140293b41fac989"`
[INFO] [stdout] 6cfb7ce3518607676e6dd5419b2c33cd68e2d8715484c155f140293b41fac989
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rust-echo-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0096e44f87a097736ef374ce4d4fb7c27aa4522047fbd9639e9b70eee4a79682
[INFO] running `"docker" "start" "-a" "0096e44f87a097736ef374ce4d4fb7c27aa4522047fbd9639e9b70eee4a79682"`
[INFO] [stderr]    Compiling rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "0096e44f87a097736ef374ce4d4fb7c27aa4522047fbd9639e9b70eee4a79682"`
[INFO] running `"docker" "rm" "-f" "0096e44f87a097736ef374ce4d4fb7c27aa4522047fbd9639e9b70eee4a79682"`
[INFO] [stdout] 0096e44f87a097736ef374ce4d4fb7c27aa4522047fbd9639e9b70eee4a79682
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rust-echo-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2ace7394d643b5fdc3698e3937355b8210020e12be07aeb7146ff72b2f7adffa
[INFO] running `"docker" "start" "-a" "2ace7394d643b5fdc3698e3937355b8210020e12be07aeb7146ff72b2f7adffa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_echo_server-996b7c2a7e0ed3cc
[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" "2ace7394d643b5fdc3698e3937355b8210020e12be07aeb7146ff72b2f7adffa"`
[INFO] running `"docker" "rm" "-f" "2ace7394d643b5fdc3698e3937355b8210020e12be07aeb7146ff72b2f7adffa"`
[INFO] [stdout] 2ace7394d643b5fdc3698e3937355b8210020e12be07aeb7146ff72b2f7adffa