[INFO] updating cached repository https://github.com/ckauhaus/multiping
[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] 5c1e2212894ccb8d01b0c4a091097240079c5b38
[INFO] checking ckauhaus/multiping against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckauhaus%2Fmultiping" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckauhaus/multiping on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ckauhaus/multiping
[INFO] finished tweaking git repo https://github.com/ckauhaus/multiping
[INFO] tweaked toml for git repo https://github.com/ckauhaus/multiping written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ckauhaus/multiping already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16cc6054883449d62ffb44c1045fdfd81afbe0c75bef00b17c2fddee857f5e70
[INFO] running `"docker" "start" "-a" "16cc6054883449d62ffb44c1045fdfd81afbe0c75bef00b17c2fddee857f5e70"`
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-ping v0.1.2
[INFO] [stderr]     Checking multiping v1.1.2-dev (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     error_chain! {
[INFO] [stderr] 17 | |         links {
[INFO] [stderr] 18 | |             Ping(::tokio_ping::Error, ::tokio_ping::ErrorKind);
[INFO] [stderr] 19 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     error_chain! {
[INFO] [stderr] 17 | |         links {
[INFO] [stderr] 18 | |             Ping(::tokio_ping::Error, ::tokio_ping::ErrorKind);
[INFO] [stderr] 19 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     error_chain! {
[INFO] [stderr] 17 | |         links {
[INFO] [stderr] 18 | |             Ping(::tokio_ping::Error, ::tokio_ping::ErrorKind);
[INFO] [stderr] 19 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     error_chain! {
[INFO] [stderr] 17 | |         links {
[INFO] [stderr] 18 | |             Ping(::tokio_ping::Error, ::tokio_ping::ErrorKind);
[INFO] [stderr] 19 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             write!(output, "\nwarning: {}", warning).is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             write!(output, "\nwarning: {}", warning).is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.33s
[INFO] running `"docker" "inspect" "16cc6054883449d62ffb44c1045fdfd81afbe0c75bef00b17c2fddee857f5e70"`
[INFO] running `"docker" "rm" "-f" "16cc6054883449d62ffb44c1045fdfd81afbe0c75bef00b17c2fddee857f5e70"`
[INFO] [stdout] 16cc6054883449d62ffb44c1045fdfd81afbe0c75bef00b17c2fddee857f5e70