[INFO] crate capnp-futures 0.11.0 is already in cache
[INFO] checking capnp-futures-0.11.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate capnp-futures 0.11.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate capnp-futures 0.11.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate capnp-futures 0.11.0
[INFO] finished tweaking crates.io crate capnp-futures 0.11.0
[INFO] tweaked toml for crates.io crate capnp-futures 0.11.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 111b80fa607d1e7ae9ad28ad3d6f90f06947d78a2fe8f5579dd6b563659e07a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "111b80fa607d1e7ae9ad28ad3d6f90f06947d78a2fe8f5579dd6b563659e07a0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking futures-channel v0.3.2
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking capnp v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.2
[INFO] [stderr]     Checking futures v0.3.2
[INFO] [stderr]     Checking capnp-futures v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `capnp::Word: quickcheck::arbitrary::Arbitrary` is not satisfied
[INFO] [stderr]    --> src/serialize.rs:528:20
[INFO] [stderr]     |
[INFO] [stderr] 528 |         quickcheck(round_trip as fn(usize, usize, Vec<Vec<Word>>) -> TestResult);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `quickcheck::arbitrary::Arbitrary` is not implemented for `capnp::Word`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.2.27/src/tester.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 | pub fn quickcheck<A: Testable>(f: A) { QuickCheck::new().quickcheck(f) }
[INFO] [stderr]     |                      -------- required by this bound in `quickcheck::tester::quickcheck`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.11.2/src/lib.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | / impl quickcheck::Arbitrary for Word {
[INFO] [stderr] 110 | |     fn arbitrary<G: quickcheck::Gen>(g: &mut G) -> Word {
[INFO] [stderr] 111 | |         crate::word(quickcheck::Arbitrary::arbitrary(g),
[INFO] [stderr] 112 | |                quickcheck::Arbitrary::arbitrary(g),
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |     }
[INFO] [stderr] 120 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `quickcheck` are being used?
[INFO] [stderr]     = note: required because of the requirements on the impl of `quickcheck::arbitrary::Arbitrary` for `std::vec::Vec<capnp::Word>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `quickcheck::arbitrary::Arbitrary` for `std::vec::Vec<std::vec::Vec<capnp::Word>>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `quickcheck::tester::Testable` for `fn(usize, usize, std::vec::Vec<std::vec::Vec<capnp::Word>>) -> quickcheck::tester::TestResult`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `capnp-futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "111b80fa607d1e7ae9ad28ad3d6f90f06947d78a2fe8f5579dd6b563659e07a0"`
[INFO] running `"docker" "rm" "-f" "111b80fa607d1e7ae9ad28ad3d6f90f06947d78a2fe8f5579dd6b563659e07a0"`
[INFO] [stdout] 111b80fa607d1e7ae9ad28ad3d6f90f06947d78a2fe8f5579dd6b563659e07a0