[INFO] updating cached repository dbarella/echo_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dbarella/echo_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dbarella/echo_server" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbarella/echo_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbarella/echo_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dbarella/echo_server" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbarella/echo_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbarella/echo_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80e618ad2710c13c7c87cee2daa29ec7f2b14564
[INFO] sha for GitHub repo dbarella/echo_server: 80e618ad2710c13c7c87cee2daa29ec7f2b14564
[INFO] validating manifest of dbarella/echo_server on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dbarella/echo_server on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dbarella/echo_server
[INFO] finished frobbing dbarella/echo_server
[INFO] frobbed toml for dbarella/echo_server written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbarella/echo_server/Cargo.toml
[INFO] started frobbing dbarella/echo_server
[INFO] finished frobbing dbarella/echo_server
[INFO] frobbed toml for dbarella/echo_server written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbarella/echo_server/Cargo.toml
[INFO] crate dbarella/echo_server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dbarella/echo_server against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbarella/echo_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 259aff88017a6c3e1652f1670297be58a990c74f684f9a80f4518a923892c7d3
[INFO] running `"docker" "start" "-a" "259aff88017a6c3e1652f1670297be58a990c74f684f9a80f4518a923892c7d3"`
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hello-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `"docker" "inspect" "259aff88017a6c3e1652f1670297be58a990c74f684f9a80f4518a923892c7d3"`
[INFO] running `"docker" "rm" "-f" "259aff88017a6c3e1652f1670297be58a990c74f684f9a80f4518a923892c7d3"`
[INFO] [stdout] 259aff88017a6c3e1652f1670297be58a990c74f684f9a80f4518a923892c7d3