[INFO] cloning repository https://github.com/mmisono/rust-cbpf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmisono/rust-cbpf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmisono%2Frust-cbpf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmisono%2Frust-cbpf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a6c7e15049419f102b57391206d72ae9c982562
[INFO] checking mmisono/rust-cbpf against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmisono%2Frust-cbpf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmisono/rust-cbpf on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmisono/rust-cbpf
[INFO] finished tweaking git repo https://github.com/mmisono/rust-cbpf
[INFO] tweaked toml for git repo https://github.com/mmisono/rust-cbpf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mmisono/rust-cbpf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/polachok/pcap`
[INFO] [stderr]     Updating git repository `https://github.com/qmonnet/rbpf`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v2.5.1
[INFO] [stderr]   Downloaded structopt-derive v0.1.1
[INFO] [stderr]   Downloaded structopt v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b8d4760d76a893932c8da261f845dda4a2d7775134a3477fcd1fd6e237ed8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40b8d4760d76a893932c8da261f845dda4a2d7775134a3477fcd1fd6e237ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b8d4760d76a893932c8da261f845dda4a2d7775134a3477fcd1fd6e237ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b8d4760d76a893932c8da261f845dda4a2d7775134a3477fcd1fd6e237ed8f", kill_on_drop: false }`
[INFO] [stdout] 40b8d4760d76a893932c8da261f845dda4a2d7775134a3477fcd1fd6e237ed8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7046423f36373a899271e1cb7f06ccb59d2d743c878c516fab797b56826b0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa7046423f36373a899271e1cb7f06ccb59d2d743c878c516fab797b56826b0d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking combine v2.5.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking pcap v0.5.7 (https://github.com/polachok/pcap?branch=offline-bpf#af08d400)
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking rbpf v0.0.3 (https://github.com/qmonnet/rbpf#fe5ddd5e)
[INFO] [stderr]    Compiling structopt-derive v0.1.1
[INFO] [stderr]     Checking structopt v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking cbpf v0.1.0 (/opt/rustwide/workdir/cbpf)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> cbpf/src/lib.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> cbpf/src/lib.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking c2e v0.1.0 (/opt/rustwide/workdir/c2e)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/compile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     error_chain!{
[INFO] [stdout] 17 | |         foreign_links {
[INFO] [stdout] 18 | |             Io(::std::io::Error);
[INFO] [stdout] 19 | |             Pcap(::pcap::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/compile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     error_chain!{
[INFO] [stdout] 17 | |         foreign_links {
[INFO] [stdout] 18 | |             Io(::std::io::Error);
[INFO] [stdout] 19 | |             Pcap(::pcap::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/run.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     error_chain!{
[INFO] [stdout] 14 | |         foreign_links {
[INFO] [stdout] 15 | |             Io(::std::io::Error);
[INFO] [stdout] 16 | |             Cbpf(::cbpf::Error);
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/run.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     error_chain!{
[INFO] [stdout] 14 | |         foreign_links {
[INFO] [stdout] 15 | |             Io(::std::io::Error);
[INFO] [stdout] 16 | |             Cbpf(::cbpf::Error);
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/compile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     error_chain!{
[INFO] [stdout] 17 | |         foreign_links {
[INFO] [stdout] 18 | |             Io(::std::io::Error);
[INFO] [stdout] 19 | |             Pcap(::pcap::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/compile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     error_chain!{
[INFO] [stdout] 17 | |         foreign_links {
[INFO] [stdout] 18 | |             Io(::std::io::Error);
[INFO] [stdout] 19 | |             Pcap(::pcap::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> cbpf/src/bin/compile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     error_chain!{
[INFO] [stdout] 17 | |         foreign_links {
[INFO] [stdout] 18 | |             Io(::std::io::Error);
[INFO] [stdout] 19 | |             Pcap(::pcap::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> cbpf/src/bin/run.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     error_chain!{
[INFO] [stdout] 14 | |         foreign_links {
[INFO] [stdout] 15 | |             Io(::std::io::Error);
[INFO] [stdout] 16 | |             Cbpf(::cbpf::Error);
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/run.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     error_chain!{
[INFO] [stdout] 14 | |         foreign_links {
[INFO] [stdout] 15 | |             Io(::std::io::Error);
[INFO] [stdout] 16 | |             Cbpf(::cbpf::Error);
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> cbpf/src/bin/run.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     error_chain!{
[INFO] [stdout] 14 | |         foreign_links {
[INFO] [stdout] 15 | |             Io(::std::io::Error);
[INFO] [stdout] 16 | |             Cbpf(::cbpf::Error);
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> cbpf/src/bin/compile.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     error_chain!{
[INFO] [stdout] 17 | |         foreign_links {
[INFO] [stdout] 18 | |             Io(::std::io::Error);
[INFO] [stdout] 19 | |             Pcap(::pcap::Error);
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> cbpf/src/bin/run.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     error_chain!{
[INFO] [stdout] 14 | |         foreign_links {
[INFO] [stdout] 15 | |             Io(::std::io::Error);
[INFO] [stdout] 16 | |             Cbpf(::cbpf::Error);
[INFO] [stdout] 17 | |         }
[INFO] [stdout] 18 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> c2e/src/bin/c2e.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain!{
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Pcap(::pcap::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> c2e/src/bin/c2e.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain!{
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Pcap(::pcap::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> c2e/src/bin/c2e.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain!{
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Pcap(::pcap::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> c2e/src/bin/c2e.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain!{
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Pcap(::pcap::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> c2e/src/bin/c2e.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain!{
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Pcap(::pcap::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> c2e/src/bin/c2e.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     error_chain!{
[INFO] [stdout] 19 | |         foreign_links {
[INFO] [stdout] 20 | |             Io(::std::io::Error);
[INFO] [stdout] 21 | |             Pcap(::pcap::Error);
[INFO] [stdout] 22 | |         }
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.33s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa7046423f36373a899271e1cb7f06ccb59d2d743c878c516fab797b56826b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7046423f36373a899271e1cb7f06ccb59d2d743c878c516fab797b56826b0d", kill_on_drop: false }`
[INFO] [stdout] aa7046423f36373a899271e1cb7f06ccb59d2d743c878c516fab797b56826b0d