[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 beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fautoai-incubator%2Fuper" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/autoai-incubator/uper on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-1/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "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] 10eb6fb06c41a7ef660eabb8363a4d1b7c5318f25f0de960f21cce5bce31dd83
[INFO] running `"docker" "start" "-a" "10eb6fb06c41a7ef660eabb8363a4d1b7c5318f25f0de960f21cce5bce31dd83"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[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 15.42s
[INFO] running `"docker" "inspect" "10eb6fb06c41a7ef660eabb8363a4d1b7c5318f25f0de960f21cce5bce31dd83"`
[INFO] running `"docker" "rm" "-f" "10eb6fb06c41a7ef660eabb8363a4d1b7c5318f25f0de960f21cce5bce31dd83"`
[INFO] [stdout] 10eb6fb06c41a7ef660eabb8363a4d1b7c5318f25f0de960f21cce5bce31dd83
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 877005e5f72ad5500a14c0820462b352ad70288ae23cb476ae75cc5d0368936c
[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" "877005e5f72ad5500a14c0820462b352ad70288ae23cb476ae75cc5d0368936c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.71s
[INFO] running `"docker" "inspect" "877005e5f72ad5500a14c0820462b352ad70288ae23cb476ae75cc5d0368936c"`
[INFO] running `"docker" "rm" "-f" "877005e5f72ad5500a14c0820462b352ad70288ae23cb476ae75cc5d0368936c"`
[INFO] [stdout] 877005e5f72ad5500a14c0820462b352ad70288ae23cb476ae75cc5d0368936c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "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] 7c308bc5526441741176348b9d74506bca9af08525382be84854901e41c2dc83
[INFO] running `"docker" "start" "-a" "7c308bc5526441741176348b9d74506bca9af08525382be84854901e41c2dc83"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uper-18d1558e12c4b973
[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" "7c308bc5526441741176348b9d74506bca9af08525382be84854901e41c2dc83"`
[INFO] running `"docker" "rm" "-f" "7c308bc5526441741176348b9d74506bca9af08525382be84854901e41c2dc83"`
[INFO] [stdout] 7c308bc5526441741176348b9d74506bca9af08525382be84854901e41c2dc83