[INFO] fetching crate option-block 0.3.0...
[INFO] testing option-block-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate option-block 0.3.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate option-block 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4af683ae8a0e307a247b172a80239186e60256499c7750c908c89dba72a88c76
[INFO] running `Command { std: "docker" "start" "-a" "4af683ae8a0e307a247b172a80239186e60256499c7750c908c89dba72a88c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af683ae8a0e307a247b172a80239186e60256499c7750c908c89dba72a88c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af683ae8a0e307a247b172a80239186e60256499c7750c908c89dba72a88c76", kill_on_drop: false }`
[INFO] [stdout] 4af683ae8a0e307a247b172a80239186e60256499c7750c908c89dba72a88c76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bcc0823ae44fd251abf71008f7907c24f7f7059cbef1295639bcfb7f98db396
[INFO] running `Command { std: "docker" "start" "-a" "8bcc0823ae44fd251abf71008f7907c24f7f7059cbef1295639bcfb7f98db396", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8bcc0823ae44fd251abf71008f7907c24f7f7059cbef1295639bcfb7f98db396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcc0823ae44fd251abf71008f7907c24f7f7059cbef1295639bcfb7f98db396", kill_on_drop: false }`
[INFO] [stdout] 8bcc0823ae44fd251abf71008f7907c24f7f7059cbef1295639bcfb7f98db396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd60234b62e275baaf0eff222d39f7a72f7a594dec824f3254172e1fe0f5166
[INFO] running `Command { std: "docker" "start" "-a" "4dd60234b62e275baaf0eff222d39f7a72f7a594dec824f3254172e1fe0f5166", kill_on_drop: false }`
[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]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4dd60234b62e275baaf0eff222d39f7a72f7a594dec824f3254172e1fe0f5166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd60234b62e275baaf0eff222d39f7a72f7a594dec824f3254172e1fe0f5166", kill_on_drop: false }`
[INFO] [stdout] 4dd60234b62e275baaf0eff222d39f7a72f7a594dec824f3254172e1fe0f5166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64e433d988dbeb5e8aef97aefbc8f95eb5f13acdd3c52b710608af0331e5ec69
[INFO] running `Command { std: "docker" "start" "-a" "64e433d988dbeb5e8aef97aefbc8f95eb5f13acdd3c52b710608af0331e5ec69", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 277 | / impl_blocked_optional! {
[INFO] [stderr] 278 | |     /// A fixed block of optionals masked by a [`u8`](u8),
[INFO] [stderr] 279 | |     /// which may thus contain at most 8 elements.
[INFO] [stderr] 280 | |     Block8 Block8IntoIter Block8Iter u8
[INFO] [stderr] 281 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 283 | / impl_blocked_optional! {
[INFO] [stderr] 284 | |     /// A fixed block of optionals masked by a [`u16`](u16),
[INFO] [stderr] 285 | |     /// which may thus contain at most 16 elements.
[INFO] [stderr] 286 | |     Block16 Block16IntoIter Block16Iter u16
[INFO] [stderr] 287 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 289 | / impl_blocked_optional! {
[INFO] [stderr] 290 | |     /// A fixed block of optionals masked by a [`u32`](u32),
[INFO] [stderr] 291 | |     /// which may thus contain at most 32 elements.
[INFO] [stderr] 292 | |     Block32 Block32IntoIter Block32Iter u32
[INFO] [stderr] 293 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 295 | / impl_blocked_optional! {
[INFO] [stderr] 296 | |     /// A fixed block of optionals masked by a [`u64`](u64),
[INFO] [stderr] 297 | |     /// which may thus contain at most 64 elements.
[INFO] [stderr] 298 | |     Block64 Block64IntoIter Block64Iter u64
[INFO] [stderr] 299 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 |               pub fn iter(&self) -> iter::$iter<T> {
[INFO] [stderr]     |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 301 | / impl_blocked_optional! {
[INFO] [stderr] 302 | |     /// A fixed block of optionals masked by a [`u128`](u128),
[INFO] [stderr] 303 | |     /// which may thus contain at most 128 elements.
[INFO] [stderr] 304 | |     Block128 Block128IntoIter Block128Iter u128
[INFO] [stderr] 305 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: this warning originates in the macro `impl_blocked_optional` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 260 |             pub fn iter(&self) -> iter::$iter<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `option-block` (lib) generated 5 warnings (run `cargo fix --lib -p option-block` to apply 5 suggestions)
[INFO] [stderr] warning: `option-block` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/option_block-21f9a3e7c1bc13e7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::default_getters ... ok
[INFO] [stdout] test tests::indexing_operations ... ok
[INFO] [stdout] test tests::capacity_tests ... ok
[INFO] [stdout] test tests::insert_replace_semantics ... ok
[INFO] [stdout] test tests::check_iterators ... ok
[INFO] [stdout] test tests::size_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests option_block
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/iter.rs - iter (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64e433d988dbeb5e8aef97aefbc8f95eb5f13acdd3c52b710608af0331e5ec69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e433d988dbeb5e8aef97aefbc8f95eb5f13acdd3c52b710608af0331e5ec69", kill_on_drop: false }`
[INFO] [stdout] 64e433d988dbeb5e8aef97aefbc8f95eb5f13acdd3c52b710608af0331e5ec69