[INFO] updating cached repository dbrgn/echo-server-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dbrgn/echo-server-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dbrgn/echo-server-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/dbrgn/echo-server-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dbrgn/echo-server-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dbrgn/echo-server-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbrgn/echo-server-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbrgn/echo-server-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba5bbd1aab509339285efb6443e9727960d9b112
[INFO] sha for GitHub repo dbrgn/echo-server-rs: ba5bbd1aab509339285efb6443e9727960d9b112
[INFO] validating manifest of dbrgn/echo-server-rs 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 dbrgn/echo-server-rs 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 dbrgn/echo-server-rs
[INFO] finished frobbing dbrgn/echo-server-rs
[INFO] frobbed toml for dbrgn/echo-server-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/dbrgn/echo-server-rs/Cargo.toml
[INFO] started frobbing dbrgn/echo-server-rs
[INFO] finished frobbing dbrgn/echo-server-rs
[INFO] frobbed toml for dbrgn/echo-server-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbrgn/echo-server-rs/Cargo.toml
[INFO] crate dbrgn/echo-server-rs 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dbrgn/echo-server-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dbrgn/echo-server-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbrgn/echo-server-rs:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a2a2bea118b17b2f80628c7f78bcb174584cdd434debe79de0ec19515b6d9402
[INFO] running `"docker" "start" "-a" "a2a2bea118b17b2f80628c7f78bcb174584cdd434debe79de0ec19515b6d9402"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.79s
[INFO] running `"docker" "inspect" "a2a2bea118b17b2f80628c7f78bcb174584cdd434debe79de0ec19515b6d9402"`
[INFO] running `"docker" "rm" "-f" "a2a2bea118b17b2f80628c7f78bcb174584cdd434debe79de0ec19515b6d9402"`
[INFO] [stdout] a2a2bea118b17b2f80628c7f78bcb174584cdd434debe79de0ec19515b6d9402
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbrgn/echo-server-rs:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 216a03453fca1c9aec252d74e97be4f6cf703e111b1b1e2ae320a6d928afdce2
[INFO] running `"docker" "start" "-a" "216a03453fca1c9aec252d74e97be4f6cf703e111b1b1e2ae320a6d928afdce2"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "216a03453fca1c9aec252d74e97be4f6cf703e111b1b1e2ae320a6d928afdce2"`
[INFO] running `"docker" "rm" "-f" "216a03453fca1c9aec252d74e97be4f6cf703e111b1b1e2ae320a6d928afdce2"`
[INFO] [stdout] 216a03453fca1c9aec252d74e97be4f6cf703e111b1b1e2ae320a6d928afdce2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbrgn/echo-server-rs:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cbca6f4abf9946e06cbd56e6344008e92dad7d6be42b1311265b894696ad24f2
[INFO] running `"docker" "start" "-a" "cbca6f4abf9946e06cbd56e6344008e92dad7d6be42b1311265b894696ad24f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-665407512bd82f4b
[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" "cbca6f4abf9946e06cbd56e6344008e92dad7d6be42b1311265b894696ad24f2"`
[INFO] running `"docker" "rm" "-f" "cbca6f4abf9946e06cbd56e6344008e92dad7d6be42b1311265b894696ad24f2"`
[INFO] [stdout] cbca6f4abf9946e06cbd56e6344008e92dad7d6be42b1311265b894696ad24f2