[INFO] updating cached repository https://github.com/autoai-incubator/uper
[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] 2152aad8fd60c82a692e6da533f4087925ca207c
[INFO] testing autoai-incubator/uper against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautoai-incubator%2Fuper" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/autoai-incubator/uper 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/autoai-incubator/uper
[INFO] finished tweaking git repo https://github.com/autoai-incubator/uper
[INFO] tweaked toml for git repo https://github.com/autoai-incubator/uper written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/autoai-incubator/uper 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9c70761678e7520ec873ad14d72eef536342f6305da3b2ea52cdfea04d896a8
[INFO] running `"docker" "start" "-a" "b9c70761678e7520ec873ad14d72eef536342f6305da3b2ea52cdfea04d896a8"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling uper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]   --> src/pipeline.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let stdout = Command::new(command)
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exec_shell`
[INFO] [stderr]   --> src/pipeline.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn exec_shell(command: &String) -> Result<(), Error> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.77s
[INFO] running `"docker" "inspect" "b9c70761678e7520ec873ad14d72eef536342f6305da3b2ea52cdfea04d896a8"`
[INFO] running `"docker" "rm" "-f" "b9c70761678e7520ec873ad14d72eef536342f6305da3b2ea52cdfea04d896a8"`
[INFO] [stdout] b9c70761678e7520ec873ad14d72eef536342f6305da3b2ea52cdfea04d896a8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4de47218bd2e46d86d623c9c0c6cc3bb14922ec78ce306f8a50abd4a6ff41512
[INFO] running `"docker" "start" "-a" "4de47218bd2e46d86d623c9c0c6cc3bb14922ec78ce306f8a50abd4a6ff41512"`
[INFO] [stderr]    Compiling uper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stderr]   --> src/pipeline.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let stdout = Command::new(command)
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exec_shell`
[INFO] [stderr]   --> src/pipeline.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn exec_shell(command: &String) -> Result<(), Error> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "4de47218bd2e46d86d623c9c0c6cc3bb14922ec78ce306f8a50abd4a6ff41512"`
[INFO] running `"docker" "rm" "-f" "4de47218bd2e46d86d623c9c0c6cc3bb14922ec78ce306f8a50abd4a6ff41512"`
[INFO] [stdout] 4de47218bd2e46d86d623c9c0c6cc3bb14922ec78ce306f8a50abd4a6ff41512
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c11ef4f8a60caf8b08af0af56588108d0d4772182f35dccc0c807dd4c65caf9f
[INFO] running `"docker" "start" "-a" "c11ef4f8a60caf8b08af0af56588108d0d4772182f35dccc0c807dd4c65caf9f"`
[INFO] [stderr] warning: unused variable: `stdout`
[INFO] [stdout] 
[INFO] [stderr]   --> src/pipeline.rs:29:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 29 |     let stdout = Command::new(command)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exec_shell`
[INFO] [stderr]   --> src/pipeline.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn exec_shell(command: &String) -> Result<(), Error> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uper-87f3309140f908bf
[INFO] running `"docker" "inspect" "c11ef4f8a60caf8b08af0af56588108d0d4772182f35dccc0c807dd4c65caf9f"`
[INFO] running `"docker" "rm" "-f" "c11ef4f8a60caf8b08af0af56588108d0d4772182f35dccc0c807dd4c65caf9f"`
[INFO] [stdout] c11ef4f8a60caf8b08af0af56588108d0d4772182f35dccc0c807dd4c65caf9f