[INFO] updating cached repository phreaknik/echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phreaknik/echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phreaknik/echo-server" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/phreaknik/echo-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/phreaknik/echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phreaknik/echo-server" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/phreaknik/echo-server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/phreaknik/echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8269fd3057f23be10ccecc83ab4cad872018b62
[INFO] sha for GitHub repo phreaknik/echo-server: b8269fd3057f23be10ccecc83ab4cad872018b62
[INFO] validating manifest of phreaknik/echo-server on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phreaknik/echo-server on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phreaknik/echo-server
[INFO] finished frobbing phreaknik/echo-server
[INFO] frobbed toml for phreaknik/echo-server written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/phreaknik/echo-server/Cargo.toml
[INFO] started frobbing phreaknik/echo-server
[INFO] finished frobbing phreaknik/echo-server
[INFO] frobbed toml for phreaknik/echo-server written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/phreaknik/echo-server/Cargo.toml
[INFO] crate phreaknik/echo-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking phreaknik/echo-server against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/phreaknik/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 74a44e23a745e8e9a7f4ecf6fe3cae45d01454be074f0648713d1c4d8e2bc121
[INFO] running `"docker" "start" "-a" "74a44e23a745e8e9a7f4ecf6fe3cae45d01454be074f0648713d1c4d8e2bc121"`
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking tokio-core v0.1.11
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "74a44e23a745e8e9a7f4ecf6fe3cae45d01454be074f0648713d1c4d8e2bc121"`
[INFO] running `"docker" "rm" "-f" "74a44e23a745e8e9a7f4ecf6fe3cae45d01454be074f0648713d1c4d8e2bc121"`
[INFO] [stdout] 74a44e23a745e8e9a7f4ecf6fe3cae45d01454be074f0648713d1c4d8e2bc121