[INFO] fetching crate reffers 0.6.0...
[INFO] testing reffers-0.6.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate reffers 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate reffers 0.6.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reffers 0.6.0
[INFO] finished tweaking crates.io crate reffers 0.6.0
[INFO] tweaked toml for crates.io crate reffers 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] d9e8bafc3f95f3fc6ca636750f7d98feae8504525d78ebcff4df6ed8903d214a
[INFO] running `Command { std: "docker" "start" "-a" "d9e8bafc3f95f3fc6ca636750f7d98feae8504525d78ebcff4df6ed8903d214a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e8bafc3f95f3fc6ca636750f7d98feae8504525d78ebcff4df6ed8903d214a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e8bafc3f95f3fc6ca636750f7d98feae8504525d78ebcff4df6ed8903d214a", kill_on_drop: false }`
[INFO] [stdout] d9e8bafc3f95f3fc6ca636750f7d98feae8504525d78ebcff4df6ed8903d214a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] eed297e89ce0f6ace429bd8c7bf0499d7c5fe4bac908bd6f061cf2a97e95e3a1
[INFO] running `Command { std: "docker" "start" "-a" "eed297e89ce0f6ace429bd8c7bf0499d7c5fe4bac908bd6f061cf2a97e95e3a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling reffers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rc.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "eed297e89ce0f6ace429bd8c7bf0499d7c5fe4bac908bd6f061cf2a97e95e3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed297e89ce0f6ace429bd8c7bf0499d7c5fe4bac908bd6f061cf2a97e95e3a1", kill_on_drop: false }`
[INFO] [stdout] eed297e89ce0f6ace429bd8c7bf0499d7c5fe4bac908bd6f061cf2a97e95e3a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c893d4eb38dc5e0471d7176fef7ae16e79639d259b7ac30f797b31f0e4013d17
[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" "c893d4eb38dc5e0471d7176fef7ae16e79639d259b7ac30f797b31f0e4013d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling reffers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rc.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rc.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "c893d4eb38dc5e0471d7176fef7ae16e79639d259b7ac30f797b31f0e4013d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c893d4eb38dc5e0471d7176fef7ae16e79639d259b7ac30f797b31f0e4013d17", kill_on_drop: false }`
[INFO] [stdout] c893d4eb38dc5e0471d7176fef7ae16e79639d259b7ac30f797b31f0e4013d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", 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] dfd07a1c94f8eba6eec0467396c7be8bbeb0a58f2add2459f563cda2491379c3
[INFO] running `Command { std: "docker" "start" "-a" "dfd07a1c94f8eba6eec0467396c7be8bbeb0a58f2add2459f563cda2491379c3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/rc.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |         write!(f, "{}", error::Error::description(self))
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/rc.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |         write!(f, "{}", error::Error::description(self))
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reffers-59ad4f508e130f86
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test arc::arc_basic ... ok
[INFO] [stdout] test arc::arc_drop ... ok
[INFO] [stdout] test arc::arc_slice ... ok
[INFO] [stdout] test aref::countdown_example ... ok
[INFO] [stdout] test aref::verify_descended_types ... ok
[INFO] [stdout] test aref::verify_drop ... ok
[INFO] [stdout] test aref::debug_impl ... ok
[INFO] [stdout] test rc::rc_basic ... ok
[INFO] [stdout] test rc::rc_drop ... ok
[INFO] [stdout] test arc::arc_send ... ok
[INFO] [stdout] test rc::rc_hashmap ... ok
[INFO] [stdout] test rc_bitmask::bitmask ... ok
[INFO] [stdout] test aref::verify_types ... ok
[INFO] [stdout] test rc::rc_str ... ok
[INFO] [stdout] test rc::rc_slice ... ok
[INFO] [stdout] test rmba::rmba_arc ... ok
[INFO] [stdout] test rmba::rmba_box ... ok
[INFO] [stdout] test rmba::rmba_fat ... ok
[INFO] [stdout] test rmba::rmba_sizes ... ok
[INFO] [stdout] test rmba::rmba_typical ... ok
[INFO] [stdout] test arc::arc_str ... ok
[INFO] [stdout] test rmba::rmba_unaligned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reffers
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/aref.rs - aref::ARef::map (line 463) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::map (line 559) ... ok
[INFO] [stdout] test src/rc.rs - rc (line 47) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::new (line 422) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::new (line 495) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::try_map (line 571) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::new (line 543) ... ok
[INFO] [stdout] test src/arc.rs - arc (line 7) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::try_map (line 523) ... ok
[INFO] [stdout] test src/rc.rs - rc::Ref (line 507) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::descend_from (line 376) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::try_map (line 478) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::map (line 511) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef (line 154) ... ok
[INFO] [stdout] test src/rc_bitmask.rs - rc_bit_mask (line 83) ... ok
[INFO] [stdout] test src/rmba.rs - rmba::RMBA (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfd07a1c94f8eba6eec0467396c7be8bbeb0a58f2add2459f563cda2491379c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd07a1c94f8eba6eec0467396c7be8bbeb0a58f2add2459f563cda2491379c3", kill_on_drop: false }`
[INFO] [stdout] dfd07a1c94f8eba6eec0467396c7be8bbeb0a58f2add2459f563cda2491379c3