[INFO] fetching crate reffers 0.6.0...
[INFO] testing reffers-0.6.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[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 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 244fc15bd571a6b4aeabe6ec36c72a8f3b9f09a39516cd7b74b3a5f3f9103852
[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" "244fc15bd571a6b4aeabe6ec36c72a8f3b9f09a39516cd7b74b3a5f3f9103852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "244fc15bd571a6b4aeabe6ec36c72a8f3b9f09a39516cd7b74b3a5f3f9103852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244fc15bd571a6b4aeabe6ec36c72a8f3b9f09a39516cd7b74b3a5f3f9103852", kill_on_drop: false }`
[INFO] [stdout] 244fc15bd571a6b4aeabe6ec36c72a8f3b9f09a39516cd7b74b3a5f3f9103852
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9429d5888ffdd3736035430815d303150449bf9c6aeaeff64995a82873873e5a
[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" "9429d5888ffdd3736035430815d303150449bf9c6aeaeff64995a82873873e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling reffers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/arc.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let u_cmp = unsafe { self.0.as_ref().mask.compare_and_swap(u_old, u_new, SeqCst) };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "9429d5888ffdd3736035430815d303150449bf9c6aeaeff64995a82873873e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9429d5888ffdd3736035430815d303150449bf9c6aeaeff64995a82873873e5a", kill_on_drop: false }`
[INFO] [stdout] 9429d5888ffdd3736035430815d303150449bf9c6aeaeff64995a82873873e5a
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 796b0d3460eedcb6785bdcc703a539f860781adb916e1d3c87f574599aebabfb
[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" "796b0d3460eedcb6785bdcc703a539f860781adb916e1d3c87f574599aebabfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling reffers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/arc.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let u_cmp = unsafe { self.0.as_ref().mask.compare_and_swap(u_old, u_new, SeqCst) };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/arc.rs:102:51
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let u_cmp = unsafe { self.0.as_ref().mask.compare_and_swap(u_old, u_new, SeqCst) };
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "796b0d3460eedcb6785bdcc703a539f860781adb916e1d3c87f574599aebabfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796b0d3460eedcb6785bdcc703a539f860781adb916e1d3c87f574599aebabfb", kill_on_drop: false }`
[INFO] [stdout] 796b0d3460eedcb6785bdcc703a539f860781adb916e1d3c87f574599aebabfb
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73a4b1d1d59e86e61f6cba1c84517a6a73237f106d4af8ca6df7edaf4ddd0b5f
[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" "73a4b1d1d59e86e61f6cba1c84517a6a73237f106d4af8ca6df7edaf4ddd0b5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `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: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/arc.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let u_cmp = unsafe { self.0.as_ref().mask.compare_and_swap(u_old, u_new, SeqCst) };
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `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: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/arc.rs:102:51
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let u_cmp = unsafe { self.0.as_ref().mask.compare_and_swap(u_old, u_new, SeqCst) };
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reffers-e914bcf85f76181b)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test rc::rc_str ... ok
[INFO] [stdout] test rc_bitmask::bitmask ... ok
[INFO] [stdout] test aref::verify_drop ... ok
[INFO] [stdout] test rc::rc_slice ... ok
[INFO] [stdout] test aref::verify_descended_types ... ok
[INFO] [stdout] test rmba::rmba_box ... ok
[INFO] [stdout] test rmba::rmba_sizes ... ok
[INFO] [stdout] test aref::debug_impl ... ok
[INFO] [stdout] test rmba::rmba_arc ... ok
[INFO] [stdout] test rc::rc_drop ... ok
[INFO] [stdout] test rc::rc_hashmap ... ok
[INFO] [stdout] test arc::arc_slice ... ok
[INFO] [stdout] test arc::arc_drop ... ok
[INFO] [stdout] test rc::rc_basic ... ok
[INFO] [stdout] test arc::arc_basic ... ok
[INFO] [stdout] test arc::arc_send ... ok
[INFO] [stdout] test rmba::rmba_fat ... ok
[INFO] [stdout] test rmba::rmba_typical ... ok
[INFO] [stdout] test aref::countdown_example ... ok
[INFO] [stdout] test aref::verify_types ... ok
[INFO] [stdout] test arc::arc_str ... ok
[INFO] [stderr]    Doc-tests reffers
[INFO] [stdout] test rmba::rmba_unaligned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/rc.rs - rc (line 47) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::map (line 511) ... ok
[INFO] [stdout] test src/rmba.rs - rmba::RMBA (line 60) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef (line 154) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::new (line 495) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::map (line 463) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef::new (line 422) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::new (line 543) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::map (line 559) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs::try_map (line 523) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss::try_map (line 571) ... ok
[INFO] [stdout] test src/rc_bitmask.rs - rc_bit_mask (line 83) ... 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/arc.rs - arc (line 7) ... ok
[INFO] [stdout] test src/rc.rs - rc::Ref (line 507) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73a4b1d1d59e86e61f6cba1c84517a6a73237f106d4af8ca6df7edaf4ddd0b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a4b1d1d59e86e61f6cba1c84517a6a73237f106d4af8ca6df7edaf4ddd0b5f", kill_on_drop: false }`
[INFO] [stdout] 73a4b1d1d59e86e61f6cba1c84517a6a73237f106d4af8ca6df7edaf4ddd0b5f