[INFO] updating cached repository https://github.com/yui-knk/ws_sample
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9095f825dfe36991be55a1c288df822f2a2dcf51
[INFO] testing yui-knk/ws_sample against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyui-knk%2Fws_sample" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yui-knk/ws_sample on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yui-knk/ws_sample
[INFO] finished tweaking git repo https://github.com/yui-knk/ws_sample
[INFO] tweaked toml for git repo https://github.com/yui-knk/ws_sample written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yui-knk/ws_sample already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] cdf3e25fff75f35949a7f1686da8a353a976c9e90f19ff6a6906975aeaba41f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cdf3e25fff75f35949a7f1686da8a353a976c9e90f19ff6a6906975aeaba41f7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling ws_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `"docker" "inspect" "cdf3e25fff75f35949a7f1686da8a353a976c9e90f19ff6a6906975aeaba41f7"`
[INFO] running `"docker" "rm" "-f" "cdf3e25fff75f35949a7f1686da8a353a976c9e90f19ff6a6906975aeaba41f7"`
[INFO] [stdout] cdf3e25fff75f35949a7f1686da8a353a976c9e90f19ff6a6906975aeaba41f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3962a0ed74e3527756974bb8487b33e9340384aedde7828139721b4530b04f6
[INFO] running `"docker" "start" "-a" "e3962a0ed74e3527756974bb8487b33e9340384aedde7828139721b4530b04f6"`
[INFO] [stderr]    Compiling ws_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "e3962a0ed74e3527756974bb8487b33e9340384aedde7828139721b4530b04f6"`
[INFO] running `"docker" "rm" "-f" "e3962a0ed74e3527756974bb8487b33e9340384aedde7828139721b4530b04f6"`
[INFO] [stdout] e3962a0ed74e3527756974bb8487b33e9340384aedde7828139721b4530b04f6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70a352ed23e0d74f0d8964dfe012f8a3faaf9814876fa3a16e4231f065d9c6c1
[INFO] running `"docker" "start" "-a" "70a352ed23e0d74f0d8964dfe012f8a3faaf9814876fa3a16e4231f065d9c6c1"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ws_sample-6a17a6f3d56d56a2
[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" "70a352ed23e0d74f0d8964dfe012f8a3faaf9814876fa3a16e4231f065d9c6c1"`
[INFO] running `"docker" "rm" "-f" "70a352ed23e0d74f0d8964dfe012f8a3faaf9814876fa3a16e4231f065d9c6c1"`
[INFO] [stdout] 70a352ed23e0d74f0d8964dfe012f8a3faaf9814876fa3a16e4231f065d9c6c1