[INFO] fetching crate arc-metrics 0.1.2...
[INFO] checking arc-metrics-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate arc-metrics 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate arc-metrics 0.1.2
[INFO] finished tweaking crates.io crate arc-metrics 0.1.2
[INFO] tweaked toml for crates.io crate arc-metrics 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arc-metrics 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arc-metrics 0.1.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-details v0.1.1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e04d731be1771145cebd071d4d633732ad71bb8bc0f0eebddc38c3fc218583d
[INFO] running `Command { std: "docker" "start" "-a" "0e04d731be1771145cebd071d4d633732ad71bb8bc0f0eebddc38c3fc218583d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e04d731be1771145cebd071d4d633732ad71bb8bc0f0eebddc38c3fc218583d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e04d731be1771145cebd071d4d633732ad71bb8bc0f0eebddc38c3fc218583d", kill_on_drop: false }`
[INFO] [stdout] 0e04d731be1771145cebd071d4d633732ad71bb8bc0f0eebddc38c3fc218583d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731e46f68f20a9790c2593041ecb6fe5f24161b0eb9c8a798333c1b638eee570
[INFO] running `Command { std: "docker" "start" "-a" "731e46f68f20a9790c2593041ecb6fe5f24161b0eb9c8a798333c1b638eee570", kill_on_drop: false }`
[INFO] [stderr]     Checking pkg-details v0.1.1
[INFO] [stderr]     Checking arc-metrics v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:262:18
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn child(&mut self) -> RegisterAction {
[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] 262 |     pub fn child(&mut self) -> RegisterAction<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:46
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn count<N: Into<Cow<'static, str>>>(&mut self, name: N, count: &'static IntCounter) -> RegisterHelper {
[INFO] [stdout]     |                                              ^^^^^^^^^ the lifetime is elided here              -------------- the same lifetime is hidden 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] 282 |     pub fn count<N: Into<Cow<'static, str>>>(&mut self, name: N, count: &'static IntCounter) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:286:46
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn gauge<N: Into<Cow<'static, str>>>(&mut self, name: N, gauge: &'static IntGauge) -> RegisterHelper {
[INFO] [stdout]     |                                              ^^^^^^^^^ the lifetime is elided here            -------------- the same lifetime is hidden 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] 286 |     pub fn gauge<N: Into<Cow<'static, str>>>(&mut self, name: N, gauge: &'static IntGauge) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:290:43
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn metric<N: Into<Cow<'static, str>>>(&mut self, name: N, value: &'static AtomicU64, metric_type: MetricType) -> RegisterHelper {
[INFO] [stdout]     |                                           ^^^^^^^^^ the lifetime is elided here                                      -------------- the same lifetime is hidden 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] 290 |     fn metric<N: Into<Cow<'static, str>>>(&mut self, name: N, value: &'static AtomicU64, metric_type: MetricType) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:296:46
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn group<N: Into<Cow<'static, str>>>(&mut self, prefix: N) -> RegisterHelper {
[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] 296 |     pub fn group<N: Into<Cow<'static, str>>>(&mut self, prefix: N) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:300:18
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn empty(&mut self) -> RegisterHelper {
[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] 300 |     pub fn empty(&mut self) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:304:42
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn start<N: Into<Cow<'static, str>>>(&mut self, prefix: Option<N>) -> RegisterHelper {
[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] 304 |     fn start<N: Into<Cow<'static, str>>>(&mut self, prefix: Option<N>) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:262:18
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn child(&mut self) -> RegisterAction {
[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] 262 |     pub fn child(&mut self) -> RegisterAction<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:46
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn count<N: Into<Cow<'static, str>>>(&mut self, name: N, count: &'static IntCounter) -> RegisterHelper {
[INFO] [stdout]     |                                              ^^^^^^^^^ the lifetime is elided here              -------------- the same lifetime is hidden 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] 282 |     pub fn count<N: Into<Cow<'static, str>>>(&mut self, name: N, count: &'static IntCounter) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:286:46
[INFO] [stdout]     |
[INFO] [stdout] 286 |     pub fn gauge<N: Into<Cow<'static, str>>>(&mut self, name: N, gauge: &'static IntGauge) -> RegisterHelper {
[INFO] [stdout]     |                                              ^^^^^^^^^ the lifetime is elided here            -------------- the same lifetime is hidden 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] 286 |     pub fn gauge<N: Into<Cow<'static, str>>>(&mut self, name: N, gauge: &'static IntGauge) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:290:43
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn metric<N: Into<Cow<'static, str>>>(&mut self, name: N, value: &'static AtomicU64, metric_type: MetricType) -> RegisterHelper {
[INFO] [stdout]     |                                           ^^^^^^^^^ the lifetime is elided here                                      -------------- the same lifetime is hidden 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] 290 |     fn metric<N: Into<Cow<'static, str>>>(&mut self, name: N, value: &'static AtomicU64, metric_type: MetricType) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:296:46
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn group<N: Into<Cow<'static, str>>>(&mut self, prefix: N) -> RegisterHelper {
[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] 296 |     pub fn group<N: Into<Cow<'static, str>>>(&mut self, prefix: N) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:300:18
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn empty(&mut self) -> RegisterHelper {
[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] 300 |     pub fn empty(&mut self) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:304:42
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn start<N: Into<Cow<'static, str>>>(&mut self, prefix: Option<N>) -> RegisterHelper {
[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] 304 |     fn start<N: Into<Cow<'static, str>>>(&mut self, prefix: Option<N>) -> RegisterHelper<'_> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "731e46f68f20a9790c2593041ecb6fe5f24161b0eb9c8a798333c1b638eee570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731e46f68f20a9790c2593041ecb6fe5f24161b0eb9c8a798333c1b638eee570", kill_on_drop: false }`
[INFO] [stdout] 731e46f68f20a9790c2593041ecb6fe5f24161b0eb9c8a798333c1b638eee570