[INFO] fetching crate maybe-owned 0.3.4...
[INFO] testing maybe-owned-0.3.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate maybe-owned 0.3.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate maybe-owned 0.3.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate maybe-owned 0.3.4
[INFO] finished tweaking crates.io crate maybe-owned 0.3.4
[INFO] tweaked toml for crates.io crate maybe-owned 0.3.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate maybe-owned 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-06-03" "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] 0d34b282da845aabe77571e7c45928cdaaf630f5547c8fa9ca6c96a65952c397
[INFO] running `"docker" "start" "-a" "0d34b282da845aabe77571e7c45928cdaaf630f5547c8fa9ca6c96a65952c397"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling maybe-owned v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "0d34b282da845aabe77571e7c45928cdaaf630f5547c8fa9ca6c96a65952c397"`
[INFO] running `"docker" "rm" "-f" "0d34b282da845aabe77571e7c45928cdaaf630f5547c8fa9ca6c96a65952c397"`
[INFO] [stdout] 0d34b282da845aabe77571e7c45928cdaaf630f5547c8fa9ca6c96a65952c397
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-06-03" "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] 1bb9c9c6e4a9e04ec44d0d8f5d1a506af1e3423e21d9358eba05cf4eb8b79c29
[INFO] running `"docker" "start" "-a" "1bb9c9c6e4a9e04ec44d0d8f5d1a506af1e3423e21d9358eba05cf4eb8b79c29"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling maybe-owned v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.88s
[INFO] running `"docker" "inspect" "1bb9c9c6e4a9e04ec44d0d8f5d1a506af1e3423e21d9358eba05cf4eb8b79c29"`
[INFO] running `"docker" "rm" "-f" "1bb9c9c6e4a9e04ec44d0d8f5d1a506af1e3423e21d9358eba05cf4eb8b79c29"`
[INFO] [stdout] 1bb9c9c6e4a9e04ec44d0d8f5d1a506af1e3423e21d9358eba05cf4eb8b79c29
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7a2b2e9d684c3a76d0d907f96e6422eb783574ec577bc50b166cf76c30f5eb3
[INFO] running `"docker" "start" "-a" "b7a2b2e9d684c3a76d0d907f96e6422eb783574ec577bc50b166cf76c30f5eb3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maybe_owned-26d3bf1218b6705f
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test tests::borrow ... ok
[INFO] [stdout] test tests::from_cow ... ok
[INFO] [stdout] test tests::has_default ... ok
[INFO] [stdout] test tests::has_clone ... ok
[INFO] [stdout] test tests::has_display ... ok
[INFO] [stdout] test tests::has_eq ... ok
[INFO] [stdout] test tests::has_hash ... ok
[INFO] [stdout] test tests::has_partial_eq ... ok
[INFO] [stdout] test tests::into_with_owned ... ok
[INFO] [stdout] test tests::has_partial_ord ... ok
[INFO] [stdout] test tests::into_inner ... ok
[INFO] [stdout] test tests::into_with_borrow ... ok
[INFO] [stdout] test tests::to_mut ... ok
[INFO] [stdout] test transitive_impl::test::not_and_neg_are_impl ... ok
[INFO] [stdout] test transitive_impl::test::not_and_neg_are_impl_mut ... ok
[INFO] [stdout] test transitive_impl::test::not_and_neg_work_for_think_test_type ... ok
[INFO] [stdout] test transitive_impl::test::op_assign_impls_exist ... ok
[INFO] [stdout] test transitive_impl::test::op_assign_impls_exist_mut ... ok
[INFO] [stdout] test transitive_impl::test::op_impls_exist ... ok
[INFO] [stdout] test transitive_impl::test::op_impls_exist_for_mut ... ok
[INFO] [stdout] test tests::reborrow_mut ... ok
[INFO] [stdout] test tests::has_as_mut ... ok
[INFO] [stdout] test tests::clone_borrow ... ok
[INFO] [stdout] test tests::has_deref_mut ... ok
[INFO] [stdout] test tests::clone_owned ... ok
[INFO] [stdout] test tests::has_as_ref ... ok
[INFO] [stdout] test tests::has_deref ... ok
[INFO] [stdout] test tests::has_ord ... ok
[INFO] [stdout] test tests::into_cow ... ok
[INFO] [stdout] test tests::is_owned ... ok
[INFO] [stdout] test tests::make_owned ... ok
[INFO] [stdout] test tests::has_borrow_mut ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::has_borrow ... ok
[INFO] [stdout] test tests::as_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maybe-owned
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - MaybeOwned (line 55) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned (line 69) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned::make_owned (line 208) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwnedMut::make_owned (line 208) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned::to_mut (line 386) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b7a2b2e9d684c3a76d0d907f96e6422eb783574ec577bc50b166cf76c30f5eb3"`
[INFO] running `"docker" "rm" "-f" "b7a2b2e9d684c3a76d0d907f96e6422eb783574ec577bc50b166cf76c30f5eb3"`
[INFO] [stdout] b7a2b2e9d684c3a76d0d907f96e6422eb783574ec577bc50b166cf76c30f5eb3