[INFO] crate async-compression 0.3.2 is already in cache
[INFO] checking async-compression-0.3.2 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate async-compression 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-compression 0.3.2 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async-compression 0.3.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-compression 0.3.2
[INFO] tweaked toml for crates.io crate async-compression 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28fbbe80b11fbfff037b6fd5d9b32bb5cb393f57326e51d03c0af6d19bea3048
[INFO] running `"docker" "start" "-a" "28fbbe80b11fbfff037b6fd5d9b32bb5cb393f57326e51d03c0af6d19bea3048"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking async-compression v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/macros.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / macro_rules! algos {
[INFO] [stderr] 2   | |     (@algo $algo:ident [$algo_s:expr] $decoder:ident $encoder:ident<$inner:ident> $({ $($constructor:tt)* })*) => {
[INFO] [stderr] 3   | |         #[cfg(feature = $algo_s)]
[INFO] [stderr] 4   | |         decoder! {
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | |     }
[INFO] [stderr] 116 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `written`
[INFO] [stderr]   --> src/util.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub(crate) fn written(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unwritten`
[INFO] [stderr]   --> src/util.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub(crate) fn unwritten(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `advance`
[INFO] [stderr]   --> src/util.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) fn advance(&mut self, amount: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_mut`
[INFO] [stderr]   --> src/util.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub(crate) fn get_mut(&mut self) -> &mut B {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `into_inner`
[INFO] [stderr]   --> src/util.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub(crate) fn into_inner(self) -> B {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unwritten_mut`
[INFO] [stderr]   --> src/util.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub(crate) fn unwritten_mut(&mut self) -> &mut [u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `copy_unwritten_from`
[INFO] [stderr]   --> src/util.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub(crate) fn copy_unwritten_from<C: AsRef<[u8]>>(&mut self, other: &mut PartialBuffer<C>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]   --> src/util.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub(crate) fn take(&mut self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: first, the lifetime cannot outlive the lifetime `'a` as defined on the impl at 36:9...
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         'a,
[INFO] [stderr]    |         ^^
[INFO] [stderr] note: ...so that the types are compatible
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: expected  `&'a T`
[INFO] [stderr]               found  `&T`
[INFO] [stderr]    = note: but, the lifetime must be valid for the static lifetime...
[INFO] [stderr] note: ...so that the type `strategy::map::Map<S, fn(A) -> core::iter::Cloned<A> {<A as core::iter::Iterator>::cloned::<'_, T>}>` will meet its required lifetime bounds
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling ntest_test_cases v0.3.4
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0495`.
[INFO] [stderr] error: could not compile `proptest`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "28fbbe80b11fbfff037b6fd5d9b32bb5cb393f57326e51d03c0af6d19bea3048"`
[INFO] running `"docker" "rm" "-f" "28fbbe80b11fbfff037b6fd5d9b32bb5cb393f57326e51d03c0af6d19bea3048"`
[INFO] [stdout] 28fbbe80b11fbfff037b6fd5d9b32bb5cb393f57326e51d03c0af6d19bea3048
