[INFO] updating cached repository garbein/rust-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garbein/rust-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garbein/rust-echo-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/garbein/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/garbein/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garbein/rust-echo-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garbein/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garbein/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04bbbf94d3538dd8b4a4c9c9b718dec41c9afba1
[INFO] sha for GitHub repo garbein/rust-echo-server: 04bbbf94d3538dd8b4a4c9c9b718dec41c9afba1
[INFO] validating manifest of garbein/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 garbein/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 garbein/rust-echo-server
[INFO] finished frobbing garbein/rust-echo-server
[INFO] frobbed toml for garbein/rust-echo-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/garbein/rust-echo-server/Cargo.toml
[INFO] started frobbing garbein/rust-echo-server
[INFO] finished frobbing garbein/rust-echo-server
[INFO] frobbed toml for garbein/rust-echo-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garbein/rust-echo-server/Cargo.toml
[INFO] crate garbein/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 garbein/rust-echo-server 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-0/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/garbein/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e96ae46f149446a58d0bbeeeac461212b592d83bbd83d6f1c2af99df0e4823f1
[INFO] running `"docker" "start" "-a" "e96ae46f149446a58d0bbeeeac461212b592d83bbd83d6f1c2af99df0e4823f1"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "e96ae46f149446a58d0bbeeeac461212b592d83bbd83d6f1c2af99df0e4823f1"`
[INFO] running `"docker" "rm" "-f" "e96ae46f149446a58d0bbeeeac461212b592d83bbd83d6f1c2af99df0e4823f1"`
[INFO] [stdout] e96ae46f149446a58d0bbeeeac461212b592d83bbd83d6f1c2af99df0e4823f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/garbein/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] be7d291d3d3c47e28a6b9f7657635fb50100e2983a3e2d0f4aecc5418a9a85c7
[INFO] running `"docker" "start" "-a" "be7d291d3d3c47e28a6b9f7657635fb50100e2983a3e2d0f4aecc5418a9a85c7"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "be7d291d3d3c47e28a6b9f7657635fb50100e2983a3e2d0f4aecc5418a9a85c7"`
[INFO] running `"docker" "rm" "-f" "be7d291d3d3c47e28a6b9f7657635fb50100e2983a3e2d0f4aecc5418a9a85c7"`
[INFO] [stdout] be7d291d3d3c47e28a6b9f7657635fb50100e2983a3e2d0f4aecc5418a9a85c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/garbein/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e9ad46a3c2370f4c42178308737f42990e95747161ac77da5bedc8dbc8bbe9f4
[INFO] running `"docker" "start" "-a" "e9ad46a3c2370f4c42178308737f42990e95747161ac77da5bedc8dbc8bbe9f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-a83147485385cb7c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_client-e8fb6ada180dd080
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-270461984146e448
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stderr]    Doc-tests echo-server
[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] [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" "e9ad46a3c2370f4c42178308737f42990e95747161ac77da5bedc8dbc8bbe9f4"`
[INFO] running `"docker" "rm" "-f" "e9ad46a3c2370f4c42178308737f42990e95747161ac77da5bedc8dbc8bbe9f4"`
[INFO] [stdout] e9ad46a3c2370f4c42178308737f42990e95747161ac77da5bedc8dbc8bbe9f4