[INFO] fetching crate multistream-batch 1.2.0...
[INFO] building multistream-batch-1.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate multistream-batch 1.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate multistream-batch 1.2.0
[INFO] finished tweaking crates.io crate multistream-batch 1.2.0
[INFO] tweaked toml for crates.io crate multistream-batch 1.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multistream-batch 1.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77d64362caab8e352c27d40b1ca11f50ce807a2fb688698ac1f69529ffcb0ebd
[INFO] running `Command { std: "docker" "start" "-a" "77d64362caab8e352c27d40b1ca11f50ce807a2fb688698ac1f69529ffcb0ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d64362caab8e352c27d40b1ca11f50ce807a2fb688698ac1f69529ffcb0ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d64362caab8e352c27d40b1ca11f50ce807a2fb688698ac1f69529ffcb0ebd", kill_on_drop: false }`
[INFO] [stdout] 77d64362caab8e352c27d40b1ca11f50ce807a2fb688698ac1f69529ffcb0ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fa14e98929569af5bc40d6d20c8ca083af9b07432b821f45af2f45a431ce44
[INFO] running `Command { std: "docker" "start" "-a" "a6fa14e98929569af5bc40d6d20c8ca083af9b07432b821f45af2f45a431ce44", kill_on_drop: false }`
[INFO] [stderr]    Compiling multistream-batch v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/buf_batch.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Drain<I> {
[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] 97 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/buf_batch.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn next(&mut self) -> Result<Drain<I>, EndOfStreamError> {
[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] 144 |     pub fn next(&mut self) -> Result<Drain<'_, I>, EndOfStreamError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/buf_batch.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn drain(&mut self) -> Drain<I> {
[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] 203 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/channel/multi_buf_batch.rs:181:49
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn next<'i>(&'i mut self) -> Result<(K, Drain<I>), EndOfStreamError> {
[INFO] [stdout]     |                      --                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn next<'i>(&'i mut self) -> Result<(K, Drain<'i, I>), EndOfStreamError> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/multi_buf_batch.rs:253:18
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn drain(&mut self, key: &K) -> Option<Drain<I>> {
[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] 253 |     pub fn drain(&mut self, key: &K) -> Option<Drain<'_, I>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn drain(&mut self) -> Drain<I> {
[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] 123 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn next(&mut self) -> Result<TxBufBatchChannelResult<I>, EndOfStreamError> {
[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] 205 |     pub fn next(&mut self) -> Result<TxBufBatchChannelResult<'_, I>, EndOfStreamError> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:295:18
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn drain(&mut self) -> Drain<I> {
[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] 295 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multi_buf_batch.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn drain(&mut self, key: &K) -> Option<Drain<I>> {
[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] 181 |     pub fn drain(&mut self, key: &K) -> Option<Drain<'_, I>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a6fa14e98929569af5bc40d6d20c8ca083af9b07432b821f45af2f45a431ce44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fa14e98929569af5bc40d6d20c8ca083af9b07432b821f45af2f45a431ce44", kill_on_drop: false }`
[INFO] [stdout] a6fa14e98929569af5bc40d6d20c8ca083af9b07432b821f45af2f45a431ce44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] def4ccb45275d01400427d055a0e53a6d6415fd8519e3a7d6d3a2cfdb4c17d3d
[INFO] running `Command { std: "docker" "start" "-a" "def4ccb45275d01400427d055a0e53a6d6415fd8519e3a7d6d3a2cfdb4c17d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling multistream-batch v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/buf_batch.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Drain<I> {
[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] 97 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/buf_batch.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn next(&mut self) -> Result<Drain<I>, EndOfStreamError> {
[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] 144 |     pub fn next(&mut self) -> Result<Drain<'_, I>, EndOfStreamError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/buf_batch.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn drain(&mut self) -> Drain<I> {
[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] 203 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/channel/multi_buf_batch.rs:181:49
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn next<'i>(&'i mut self) -> Result<(K, Drain<I>), EndOfStreamError> {
[INFO] [stdout]     |                      --                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn next<'i>(&'i mut self) -> Result<(K, Drain<'i, I>), EndOfStreamError> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/multi_buf_batch.rs:253:18
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn drain(&mut self, key: &K) -> Option<Drain<I>> {
[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] 253 |     pub fn drain(&mut self, key: &K) -> Option<Drain<'_, I>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn drain(&mut self) -> Drain<I> {
[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] 123 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn next(&mut self) -> Result<TxBufBatchChannelResult<I>, EndOfStreamError> {
[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] 205 |     pub fn next(&mut self) -> Result<TxBufBatchChannelResult<'_, I>, EndOfStreamError> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:295:18
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn drain(&mut self) -> Drain<I> {
[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] 295 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multi_buf_batch.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn drain(&mut self, key: &K) -> Option<Drain<I>> {
[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] 181 |     pub fn drain(&mut self, key: &K) -> Option<Drain<'_, I>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/buf_batch.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn drain(&mut self) -> Drain<I> {
[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] 97 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/buf_batch.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn next(&mut self) -> Result<Drain<I>, EndOfStreamError> {
[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] 144 |     pub fn next(&mut self) -> Result<Drain<'_, I>, EndOfStreamError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/buf_batch.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn drain(&mut self) -> Drain<I> {
[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] 203 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/channel/multi_buf_batch.rs:181:49
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn next<'i>(&'i mut self) -> Result<(K, Drain<I>), EndOfStreamError> {
[INFO] [stdout]     |                      --                         ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn next<'i>(&'i mut self) -> Result<(K, Drain<'i, I>), EndOfStreamError> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/multi_buf_batch.rs:253:18
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn drain(&mut self, key: &K) -> Option<Drain<I>> {
[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] 253 |     pub fn drain(&mut self, key: &K) -> Option<Drain<'_, I>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:123:18
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn drain(&mut self) -> Drain<I> {
[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] 123 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn next(&mut self) -> Result<TxBufBatchChannelResult<I>, EndOfStreamError> {
[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] 205 |     pub fn next(&mut self) -> Result<TxBufBatchChannelResult<'_, I>, EndOfStreamError> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/channel/tx_buf_batch.rs:295:18
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn drain(&mut self) -> Drain<I> {
[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] 295 |     pub fn drain(&mut self) -> Drain<'_, I> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/multi_buf_batch.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn drain(&mut self, key: &K) -> Option<Drain<I>> {
[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] 181 |     pub fn drain(&mut self, key: &K) -> Option<Drain<'_, I>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "def4ccb45275d01400427d055a0e53a6d6415fd8519e3a7d6d3a2cfdb4c17d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def4ccb45275d01400427d055a0e53a6d6415fd8519e3a7d6d3a2cfdb4c17d3d", kill_on_drop: false }`
[INFO] [stdout] def4ccb45275d01400427d055a0e53a6d6415fd8519e3a7d6d3a2cfdb4c17d3d