[INFO] fetching crate maybe-owned 0.3.4...
[INFO] testing maybe-owned-0.3.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate maybe-owned 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate maybe-owned 0.3.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate crates.io crate maybe-owned 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63885f72804f5babed0cad0cce8e36d42d466486eb05f367cb6248397e10205f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63885f72804f5babed0cad0cce8e36d42d466486eb05f367cb6248397e10205f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63885f72804f5babed0cad0cce8e36d42d466486eb05f367cb6248397e10205f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63885f72804f5babed0cad0cce8e36d42d466486eb05f367cb6248397e10205f", kill_on_drop: false }`
[INFO] [stdout] 63885f72804f5babed0cad0cce8e36d42d466486eb05f367cb6248397e10205f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4b9a8549b1a9d92cd60717dc35f0d9a4dc957357b14af2262ea5e42b8a499d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc4b9a8549b1a9d92cd60717dc35f0d9a4dc957357b14af2262ea5e42b8a499d", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-owned v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "dc4b9a8549b1a9d92cd60717dc35f0d9a4dc957357b14af2262ea5e42b8a499d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4b9a8549b1a9d92cd60717dc35f0d9a4dc957357b14af2262ea5e42b8a499d", kill_on_drop: false }`
[INFO] [stdout] dc4b9a8549b1a9d92cd60717dc35f0d9a4dc957357b14af2262ea5e42b8a499d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 327a492e1b3392d6ea7b0731b6bb74b8b80c97d097cd4234121bde00a3fa7ced
[INFO] running `Command { std: "docker" "start" "-a" "327a492e1b3392d6ea7b0731b6bb74b8b80c97d097cd4234121bde00a3fa7ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling maybe-owned v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `Command { std: "docker" "inspect" "327a492e1b3392d6ea7b0731b6bb74b8b80c97d097cd4234121bde00a3fa7ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327a492e1b3392d6ea7b0731b6bb74b8b80c97d097cd4234121bde00a3fa7ced", kill_on_drop: false }`
[INFO] [stdout] 327a492e1b3392d6ea7b0731b6bb74b8b80c97d097cd4234121bde00a3fa7ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75f1c7037c02f40b1db770caf65e5636f127b43a98169f6f2ddae727b49f26e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75f1c7037c02f40b1db770caf65e5636f127b43a98169f6f2ddae727b49f26e8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maybe_owned-0a88b44b28599561
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test tests::borrow ... ok
[INFO] [stdout] test tests::clone_owned ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::has_as_mut ... ok
[INFO] [stdout] test tests::has_borrow_mut ... ok
[INFO] [stdout] test tests::has_deref ... ok
[INFO] [stdout] test tests::has_deref_mut ... ok
[INFO] [stdout] test tests::has_display ... ok
[INFO] [stdout] test tests::has_hash ... ok
[INFO] [stdout] test tests::has_ord ... ok
[INFO] [stdout] test tests::has_partial_eq ... ok
[INFO] [stdout] test tests::has_partial_ord ... ok
[INFO] [stdout] test tests::into_cow ... ok
[INFO] [stdout] test tests::into_inner ... ok
[INFO] [stdout] test tests::into_with_borrow ... ok
[INFO] [stdout] test tests::into_with_owned ... ok
[INFO] [stdout] test tests::is_owned ... ok
[INFO] [stdout] test tests::make_owned ... ok
[INFO] [stdout] test tests::reborrow_mut ... 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_impls_exist ... ok
[INFO] [stdout] test transitive_impl::test::op_impls_exist_for_mut ... ok
[INFO] [stdout] test tests::clone_borrow ... ok
[INFO] [stdout] test tests::has_default ... ok
[INFO] [stdout] test tests::from_cow ... ok
[INFO] [stdout] test tests::has_as_ref ... ok
[INFO] [stdout] test tests::has_borrow ... ok
[INFO] [stdout] test tests::has_eq ... ok
[INFO] [stdout] test tests::as_ref ... ok
[INFO] [stdout] test transitive_impl::test::op_assign_impls_exist_mut ... ok
[INFO] [stdout] test tests::has_clone ... 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 69) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwnedMut::make_owned (line 208) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned (line 84) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned::make_owned (line 208) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned (line 55) ... ok
[INFO] [stdout] test src/lib.rs - MaybeOwned::to_mut (line 386) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75f1c7037c02f40b1db770caf65e5636f127b43a98169f6f2ddae727b49f26e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f1c7037c02f40b1db770caf65e5636f127b43a98169f6f2ddae727b49f26e8", kill_on_drop: false }`
[INFO] [stdout] 75f1c7037c02f40b1db770caf65e5636f127b43a98169f6f2ddae727b49f26e8