[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 try#2cbf9c3ff35600794d69a7dc7ab399810a067910 for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwarrick%2Fcapnproto-rpc-echo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kwarrick/capnproto-rpc-echo on toolchain 2cbf9c3ff35600794d69a7dc7ab399810a067910
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "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" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2
[INFO] running `Command { std: "docker" "start" "2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking capnp v0.9.4
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking capnp-futures v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling capnpc v0.9.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[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-a8a4b44aaa2c41c0/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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) 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-a8a4b44aaa2c41c0/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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:195:33
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:334:33
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 192 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:195:33
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |       pub fn reborrow_as_reader(&self) -> Reader<'_> {
[INFO] [stdout]     |                                                  ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:273:23
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |       pub fn reborrow(&self) -> Reader<'_> {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:331:23
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 331 |       pub fn reborrow(&mut self) -> Builder<'_> {
[INFO] [stdout]     |                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/capnproto-rpc-echo-a8a4b44aaa2c41c0/out/echo_capnp.rs:334:33
[INFO] [stdout]     |
[INFO] [stdout] 334 |       pub fn reborrow_as_reader(&self) -> Reader<> {
[INFO] [stdout]     |                                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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 7.06s
[INFO] running `Command { std: "docker" "inspect" "2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2", kill_on_drop: false }`
[INFO] [stdout] 2eb8615d6cbb94848ba687b4658dbbe81d8305f7ed79e288dd3b29244f1897d2
