[INFO] fetching crate boolvec 0.2.6...
[INFO] checking boolvec-0.2.6 against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] extracting crate boolvec 0.2.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate boolvec 0.2.6
[INFO] finished tweaking crates.io crate boolvec 0.2.6
[INFO] tweaked toml for crates.io crate boolvec 0.2.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate boolvec 0.2.6 on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 553d1c79330abe4d23b6171e030cf74d8ea1969c7e9ef0593647cf6e83006924
[INFO] running `Command { std: "docker" "start" "-a" "553d1c79330abe4d23b6171e030cf74d8ea1969c7e9ef0593647cf6e83006924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553d1c79330abe4d23b6171e030cf74d8ea1969c7e9ef0593647cf6e83006924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553d1c79330abe4d23b6171e030cf74d8ea1969c7e9ef0593647cf6e83006924", kill_on_drop: false }`
[INFO] [stdout] 553d1c79330abe4d23b6171e030cf74d8ea1969c7e9ef0593647cf6e83006924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bf72e239d49c30c7e1905d958c6c6a6c70bc19fdba6224aaaca070ca08edadd
[INFO] running `Command { std: "docker" "start" "-a" "4bf72e239d49c30c7e1905d958c6c6a6c70bc19fdba6224aaaca070ca08edadd", kill_on_drop: false }`
[INFO] [stderr]     Checking boolvec v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:216:37
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub unsafe fn get_unchecked_ref(&self, nth: usize) -> RefBool {
[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] 216 |     pub unsafe fn get_unchecked_ref(&self, nth: usize) -> RefBool<'_> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn get_ref(&self, nth: usize) -> Option<RefBool> {
[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] 237 |     pub fn get_ref(&self, nth: usize) -> Option<RefBool<'_>> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:264:37
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub unsafe fn get_unchecked_mut(&mut self, nth: usize) -> RefBoolMut {
[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] 264 |     pub unsafe fn get_unchecked_mut(&mut self, nth: usize) -> RefBoolMut<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:276:20
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn get_mut(&mut self, nth: usize) -> Option<RefBoolMut> {
[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] 276 |     pub fn get_mut(&mut self, nth: usize) -> Option<RefBoolMut<'_>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:345:21
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn last_ref(&self) -> Option<RefBool> {
[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] 345 |     pub fn last_ref(&self) -> Option<RefBool<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:358:21
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn last_mut(&mut self) -> Option<RefBoolMut> {
[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] 358 |     pub fn last_mut(&mut self) -> Option<RefBoolMut<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:415:17
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub fn iter(&self) -> Iter {
[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] 415 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn iter_mut(&mut self) -> IterMut {
[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] 424 |     pub fn iter_mut(&mut self) -> IterMut<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:216:37
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub unsafe fn get_unchecked_ref(&self, nth: usize) -> RefBool {
[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] 216 |     pub unsafe fn get_unchecked_ref(&self, nth: usize) -> RefBool<'_> {
[INFO] [stdout]     |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:237:20
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn get_ref(&self, nth: usize) -> Option<RefBool> {
[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] 237 |     pub fn get_ref(&self, nth: usize) -> Option<RefBool<'_>> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:264:37
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub unsafe fn get_unchecked_mut(&mut self, nth: usize) -> RefBoolMut {
[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] 264 |     pub unsafe fn get_unchecked_mut(&mut self, nth: usize) -> RefBoolMut<'_> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:276:20
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn get_mut(&mut self, nth: usize) -> Option<RefBoolMut> {
[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] 276 |     pub fn get_mut(&mut self, nth: usize) -> Option<RefBoolMut<'_>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:345:21
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn last_ref(&self) -> Option<RefBool> {
[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] 345 |     pub fn last_ref(&self) -> Option<RefBool<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:358:21
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn last_mut(&mut self) -> Option<RefBoolMut> {
[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] 358 |     pub fn last_mut(&mut self) -> Option<RefBoolMut<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:415:17
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub fn iter(&self) -> Iter {
[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] 415 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn iter_mut(&mut self) -> IterMut {
[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] 424 |     pub fn iter_mut(&mut self) -> IterMut<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4bf72e239d49c30c7e1905d958c6c6a6c70bc19fdba6224aaaca070ca08edadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf72e239d49c30c7e1905d958c6c6a6c70bc19fdba6224aaaca070ca08edadd", kill_on_drop: false }`
[INFO] [stdout] 4bf72e239d49c30c7e1905d958c6c6a6c70bc19fdba6224aaaca070ca08edadd
