[INFO] fetching crate option-block 0.3.0...
[INFO] checking option-block-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate option-block 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate option-block 0.3.0
[INFO] finished tweaking crates.io crate option-block 0.3.0
[INFO] tweaked toml for crates.io crate option-block 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate option-block 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 75be6a1206d22ad12ec8585502b707a606ef381bc7e6a5b83e51fa63d8e832b4
[INFO] running `Command { std: "docker" "start" "-a" "75be6a1206d22ad12ec8585502b707a606ef381bc7e6a5b83e51fa63d8e832b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75be6a1206d22ad12ec8585502b707a606ef381bc7e6a5b83e51fa63d8e832b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75be6a1206d22ad12ec8585502b707a606ef381bc7e6a5b83e51fa63d8e832b4", kill_on_drop: false }`
[INFO] [stdout] 75be6a1206d22ad12ec8585502b707a606ef381bc7e6a5b83e51fa63d8e832b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 17606ee2f5a1401f0c7ae4770a326b4ab1d2f97cfa8cc74320dfc34f9c69e1c4
[INFO] running `Command { std: "docker" "start" "-a" "17606ee2f5a1401f0c7ae4770a326b4ab1d2f97cfa8cc74320dfc34f9c69e1c4", kill_on_drop: false }`
[INFO] [stderr]     Checking option-block v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 277 | / impl_blocked_optional! {
[INFO] [stdout] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stdout] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stdout] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stdout] 281 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 283 | / impl_blocked_optional! {
[INFO] [stdout] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stdout] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stdout] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stdout] 287 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 289 | / impl_blocked_optional! {
[INFO] [stdout] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stdout] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stdout] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stdout] 293 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 295 | / impl_blocked_optional! {
[INFO] [stdout] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stdout] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stdout] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stdout] 299 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 301 | / impl_blocked_optional! {
[INFO] [stdout] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stdout] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stdout] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 277 | / impl_blocked_optional! {
[INFO] [stdout] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stdout] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stdout] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stdout] 281 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 283 | / impl_blocked_optional! {
[INFO] [stdout] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stdout] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stdout] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stdout] 287 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 289 | / impl_blocked_optional! {
[INFO] [stdout] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stdout] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stdout] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stdout] 293 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 295 | / impl_blocked_optional! {
[INFO] [stdout] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stdout] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stdout] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stdout] 299 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stdout]     |                           ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 301 | / impl_blocked_optional! {
[INFO] [stdout] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stdout] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stdout] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stdout] 305 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "17606ee2f5a1401f0c7ae4770a326b4ab1d2f97cfa8cc74320dfc34f9c69e1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17606ee2f5a1401f0c7ae4770a326b4ab1d2f97cfa8cc74320dfc34f9c69e1c4", kill_on_drop: false }`
[INFO] [stdout] 17606ee2f5a1401f0c7ae4770a326b4ab1d2f97cfa8cc74320dfc34f9c69e1c4