[INFO] fetching crate komunikilo 0.1.5...
[INFO] checking komunikilo-0.1.5 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate komunikilo 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate komunikilo 0.1.5
[INFO] finished tweaking crates.io crate komunikilo 0.1.5
[INFO] tweaked toml for crates.io crate komunikilo 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate komunikilo 0.1.5 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 126 packages to latest compatible versions
[INFO] [stderr]       Adding average v0.15.1 (available: v0.16.0)
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[INFO] [stderr]       Adding rstest v0.21.0 (available: v0.25.0)
[INFO] [stderr]       Adding sci-rs v0.3.16 (available: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 604a0168226fce475db281d1e687eb8d9de7ce17b77308b465d02562e55a1e88
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[INFO] [stdout] 068f306be5a3258b147b31d7ff9fb0e556d75500d3448f1ffe86118f49178ee5
[INFO] running `Command { std: "docker" "start" "-a" "068f306be5a3258b147b31d7ff9fb0e556d75500d3448f1ffe86118f49178ee5", kill_on_drop: false }`
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[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 23 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 23 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 49 | ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 - ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout] 49 + ) -> impl Iterator<Item = f64> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 73 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 73 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 98 | ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 98 - ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout] 98 + ) -> impl Iterator<Item = f64> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/cdma.rs:116:11
[INFO] [stdout]     |
[INFO] [stdout] 116 |     key: &'a [Bit],
[INFO] [stdout]     |           ^^ this lifetime flows to the output
[INFO] [stdout] 117 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 117 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 117 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/cdma.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |     key: &'a [Bit],
[INFO] [stdout]     |           ^^ this lifetime flows to the output
[INFO] [stdout] 136 | ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 136 - ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout] 136 + ) -> impl Iterator<Item = f64> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/cdma.rs:159:11
[INFO] [stdout]     |
[INFO] [stdout] 159 |     key: &'a [Bit],
[INFO] [stdout]     |           ^^ this lifetime flows to the output
[INFO] [stdout] 160 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 160 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 160 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 23 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 23 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 23 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 49 | ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 49 - ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout] 49 + ) -> impl Iterator<Item = f64> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 73 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 73 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 73 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/cdma.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     key: &'a [Bit],
[INFO] [stdout]    |           ^^ this lifetime flows to the output
[INFO] [stdout] 98 | ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout]    |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 98 - ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout] 98 + ) -> impl Iterator<Item = f64> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/cdma.rs:116:11
[INFO] [stdout]     |
[INFO] [stdout] 116 |     key: &'a [Bit],
[INFO] [stdout]     |           ^^ this lifetime flows to the output
[INFO] [stdout] 117 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 117 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 117 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/cdma.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |     key: &'a [Bit],
[INFO] [stdout]     |           ^^ this lifetime flows to the output
[INFO] [stdout] 136 | ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 136 - ) -> impl Iterator<Item = f64> + '_ {
[INFO] [stdout] 136 + ) -> impl Iterator<Item = f64> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/cdma.rs:159:11
[INFO] [stdout]     |
[INFO] [stdout] 159 |     key: &'a [Bit],
[INFO] [stdout]     |           ^^ this lifetime flows to the output
[INFO] [stdout] 160 | ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout]     |                                  -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 160 - ) -> impl Iterator<Item = Bit> + '_ {
[INFO] [stdout] 160 + ) -> impl Iterator<Item = Bit> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.23s
[INFO] running `Command { std: "docker" "inspect" "068f306be5a3258b147b31d7ff9fb0e556d75500d3448f1ffe86118f49178ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068f306be5a3258b147b31d7ff9fb0e556d75500d3448f1ffe86118f49178ee5", kill_on_drop: false }`
[INFO] [stdout] 068f306be5a3258b147b31d7ff9fb0e556d75500d3448f1ffe86118f49178ee5