[INFO] cloning repository https://github.com/kwarrick/capnproto-rpc-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kwarrick/capnproto-rpc-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwarrick%2Fcapnproto-rpc-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwarrick%2Fcapnproto-rpc-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abe56cb04f3632a94a9602829886d598398cfcfd
[INFO] checking kwarrick/capnproto-rpc-echo against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwarrick%2Fcapnproto-rpc-echo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kwarrick/capnproto-rpc-echo
[INFO] finished tweaking git repo https://github.com/kwarrick/capnproto-rpc-echo
[INFO] tweaked toml for git repo https://github.com/kwarrick/capnproto-rpc-echo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kwarrick/capnproto-rpc-echo on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kwarrick/capnproto-rpc-echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.11
[INFO] [stderr]   Downloaded tokio-sync v0.1.1
[INFO] [stderr]   Downloaded capnp-rpc v0.9.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60cfdc0181678c2f8c1067bf68ba8648131eeaeacd4032938ad6b742be5ee1aa
[INFO] running `Command { std: "docker" "start" "-a" "60cfdc0181678c2f8c1067bf68ba8648131eeaeacd4032938ad6b742be5ee1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cfdc0181678c2f8c1067bf68ba8648131eeaeacd4032938ad6b742be5ee1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cfdc0181678c2f8c1067bf68ba8648131eeaeacd4032938ad6b742be5ee1aa", kill_on_drop: false }`
[INFO] [stdout] 60cfdc0181678c2f8c1067bf68ba8648131eeaeacd4032938ad6b742be5ee1aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a4b9cfc16ac1519407622aab903e143d1e401480e236c2231fae76d23178833
[INFO] running `Command { std: "docker" "start" "-a" "1a4b9cfc16ac1519407622aab903e143d1e401480e236c2231fae76d23178833", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
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[INFO] [stderr]    Compiling capnp-rpc v0.9.0
[INFO] [stderr]    Compiling capnproto-rpc-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(hook: Box<::capnp::private::capability::ClientHook>) -> Client {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(hook: Box<dyn (::capnp::private::capability::ClientHook)>) -> Client {
[INFO] [stdout]    |                      +++++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(hook: Box<::capnp::private::capability::ClientHook>) -> Client {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(hook: Box<dyn (::capnp::private::capability::ClientHook)>) -> Client {
[INFO] [stdout]    |                      +++++                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:195:33
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:334:33
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:195:33
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-1731bec2bda2419a/out/echo_capnp.rs:334:33
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.57s
[INFO] running `Command { std: "docker" "inspect" "1a4b9cfc16ac1519407622aab903e143d1e401480e236c2231fae76d23178833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4b9cfc16ac1519407622aab903e143d1e401480e236c2231fae76d23178833", kill_on_drop: false }`
[INFO] [stdout] 1a4b9cfc16ac1519407622aab903e143d1e401480e236c2231fae76d23178833
