[INFO] crate whatlang 0.7.3 is already in cache [INFO] testing whatlang-0.7.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate whatlang 0.7.3 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate whatlang 0.7.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate whatlang 0.7.3 [INFO] finished tweaking crates.io crate whatlang 0.7.3 [INFO] tweaked toml for crates.io crate whatlang 0.7.3 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate whatlang 0.7.3 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4a1f756f644a050291e6c67fe017d97ff66d397a0383fd51d99b436357e0e35d [INFO] running `"docker" "start" "-a" "4a1f756f644a050291e6c67fe017d97ff66d397a0383fd51d99b436357e0e35d"` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling hashbrown v0.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling const-random-macro v0.1.6 [INFO] [stderr] Compiling const-random v0.1.6 [INFO] [stderr] Compiling ahash v0.3.2 [INFO] [stderr] Compiling whatlang v0.7.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.15s [INFO] running `"docker" "inspect" "4a1f756f644a050291e6c67fe017d97ff66d397a0383fd51d99b436357e0e35d"` [INFO] running `"docker" "rm" "-f" "4a1f756f644a050291e6c67fe017d97ff66d397a0383fd51d99b436357e0e35d"` [INFO] [stdout] 4a1f756f644a050291e6c67fe017d97ff66d397a0383fd51d99b436357e0e35d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 99cb5bbcc9f2950b2cd6b9b71b3bdfdbcbaffc6f82edde2068578bb7680e7eaa [INFO] running `"docker" "start" "-a" "99cb5bbcc9f2950b2cd6b9b71b3bdfdbcbaffc6f82edde2068578bb7680e7eaa"` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling wait-timeout v0.1.5 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tempfile v3.0.7 [INFO] [stderr] Compiling rusty-fork v0.2.1 [INFO] [stderr] Compiling proptest v0.9.1 [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-0.9.1/src/arbitrary/_core/iter.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | 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 35:6... [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.1/src/arbitrary/_core/iter.rs:35:6 [INFO] [stderr] | [INFO] [stderr] 35 | impl<'a, T: 'static + Clone, A: fmt::Debug + 'static + Iterator> [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that the types are compatible [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.1/src/arbitrary/_core/iter.rs:44:23 [INFO] [stderr] | [INFO] [stderr] 44 | 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 core::iter::Cloned {::cloned::<'_, T>}>` will meet its required lifetime bounds [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.1/src/arbitrary/_core/iter.rs:44:41 [INFO] [stderr] | [INFO] [stderr] 44 | base.prop_map(Iterator::cloned).boxed() [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling serde_json v1.0.39 [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" "99cb5bbcc9f2950b2cd6b9b71b3bdfdbcbaffc6f82edde2068578bb7680e7eaa"` [INFO] running `"docker" "rm" "-f" "99cb5bbcc9f2950b2cd6b9b71b3bdfdbcbaffc6f82edde2068578bb7680e7eaa"` [INFO] [stdout] 99cb5bbcc9f2950b2cd6b9b71b3bdfdbcbaffc6f82edde2068578bb7680e7eaa