[INFO] fetching crate mwcas 0.1.0...
[INFO] testing mwcas-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate mwcas 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mwcas 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mwcas 0.1.0
[INFO] finished tweaking crates.io crate mwcas 0.1.0
[INFO] tweaked toml for crates.io crate mwcas 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09fc1816993ccf19d23877ec1ecf59b1baacea2405f11c54274b9ee101bb1979
[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" "09fc1816993ccf19d23877ec1ecf59b1baacea2405f11c54274b9ee101bb1979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09fc1816993ccf19d23877ec1ecf59b1baacea2405f11c54274b9ee101bb1979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fc1816993ccf19d23877ec1ecf59b1baacea2405f11c54274b9ee101bb1979", kill_on_drop: false }`
[INFO] [stdout] 09fc1816993ccf19d23877ec1ecf59b1baacea2405f11c54274b9ee101bb1979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3493d16e5e81040a703bd64d4591045e04b293f5691e91167d0c00f97456ec3
[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" "c3493d16e5e81040a703bd64d4591045e04b293f5691e91167d0c00f97456ec3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling mwcas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:366:18
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 .compare_and_swap(STATUS_PREPARE, new_status, Ordering::AcqRel);
[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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:525:36
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 (*self.target_ptr).compare_and_swap(
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:565:37
[INFO] [stdout]     |
[INFO] [stdout] 565 |         unsafe { (*self.target_ptr).compare_and_swap(expected_val, new_val, Ordering::AcqRel) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:600:35
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 (*cas.target_ptr).compare_and_swap(cas_ptr.rdcss_addr(), new_val, Ordering::AcqRel);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "c3493d16e5e81040a703bd64d4591045e04b293f5691e91167d0c00f97456ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3493d16e5e81040a703bd64d4591045e04b293f5691e91167d0c00f97456ec3", kill_on_drop: false }`
[INFO] [stdout] c3493d16e5e81040a703bd64d4591045e04b293f5691e91167d0c00f97456ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754e10d126894bfb5b1a22c0673dd1b05b8b80479bcc65e429aba1007754051d
[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" "754e10d126894bfb5b1a22c0673dd1b05b8b80479bcc65e429aba1007754051d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:366:18
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 .compare_and_swap(STATUS_PREPARE, new_status, Ordering::AcqRel);
[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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:525:36
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 (*self.target_ptr).compare_and_swap(
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:565:37
[INFO] [stdout]     |
[INFO] [stdout] 565 |         unsafe { (*self.target_ptr).compare_and_swap(expected_val, new_val, Ordering::AcqRel) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:600:35
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 (*cas.target_ptr).compare_and_swap(cas_ptr.rdcss_addr(), new_val, Ordering::AcqRel);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling mwcas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:366:18
[INFO] [stdout]     |
[INFO] [stdout] 366 |                 .compare_and_swap(STATUS_PREPARE, new_status, Ordering::AcqRel);
[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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:525:36
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 (*self.target_ptr).compare_and_swap(
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:565:37
[INFO] [stdout]     |
[INFO] [stdout] 565 |         unsafe { (*self.target_ptr).compare_and_swap(expected_val, new_val, Ordering::AcqRel) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:600:35
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 (*cas.target_ptr).compare_and_swap(cas_ptr.rdcss_addr(), new_val, Ordering::AcqRel);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "754e10d126894bfb5b1a22c0673dd1b05b8b80479bcc65e429aba1007754051d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754e10d126894bfb5b1a22c0673dd1b05b8b80479bcc65e429aba1007754051d", kill_on_drop: false }`
[INFO] [stdout] 754e10d126894bfb5b1a22c0673dd1b05b8b80479bcc65e429aba1007754051d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 8b0d03a7c218270a91fab4550438571f263f2909475d95eb9064630e1c58a0af
[INFO] running `Command { std: "docker" "start" "-a" "8b0d03a7c218270a91fab4550438571f263f2909475d95eb9064630e1c58a0af", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:366:18
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 .compare_and_swap(STATUS_PREPARE, new_status, Ordering::AcqRel);
[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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:525:36
[INFO] [stderr]     |
[INFO] [stderr] 525 |                 (*self.target_ptr).compare_and_swap(
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:565:37
[INFO] [stderr]     |
[INFO] [stderr] 565 |         unsafe { (*self.target_ptr).compare_and_swap(expected_val, new_val, Ordering::AcqRel) };
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:600:35
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 (*cas.target_ptr).compare_and_swap(cas_ptr.rdcss_addr(), new_val, Ordering::AcqRel);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mwcas` (lib) generated 4 warnings
[INFO] [stderr] warning: `mwcas` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mwcas-14c542777425dcc6)
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::simple::test_mwcas_fail_when_concurrent_mwcas_won_race ... ignored
[INFO] [stdout] test tests::simple::test_mwcas_linearization ... ignored
[INFO] [stdout] test tests::simple::test_mwcas_race_in_phase_one_after_status_update ... ignored
[INFO] [stdout] test tests::simple::test_mwcas_race_in_phase_one_before_status_update ... ignored
[INFO] [stdout] test tests::cas_tests::test_same_cas_conflict ... ok
[INFO] [stdout] test tests::cas_tests::test_cas_success_completion ... ok
[INFO] [stdout] test tests::simple::test_mwcas_completion_on_pointer_read ... ok
[INFO] [stdout] test tests::mwcas_pointer_test::create_pointer_from_structure ... ok
[INFO] [stdout] test tests::simple::test_prepared_cas_completion_assist ... ok
[INFO] [stdout] test tests::mwcas_pointer_test::create_pointer_from_invalid_address ... ok
[INFO] [stdout] test tests::cas_tests::test_complete_cas_with_failure ... ok
[INFO] [stdout] test tests::mwcas_pointer_test::create_pointer_from_address ... ok
[INFO] [stdout] test tests::simple::test_mwcas_add_ptr ... ok
[INFO] [stdout] test tests::simple::test_assist_not_change_cas_result ... ok
[INFO] [stdout] test tests::simple::test_cas_completion_assist_on_subset_of_references ... ok
[INFO] [stderr]    Doc-tests mwcas
[INFO] [stdout] test tests::simple::test_add_same_u64_val - should panic ... ok
[INFO] [stdout] test tests::simple::test_add_same_ptr - should panic ... ok
[INFO] [stdout] test tests::cas_tests::test_cas_completion_with_invalid_status - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b0d03a7c218270a91fab4550438571f263f2909475d95eb9064630e1c58a0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0d03a7c218270a91fab4550438571f263f2909475d95eb9064630e1c58a0af", kill_on_drop: false }`
[INFO] [stdout] 8b0d03a7c218270a91fab4550438571f263f2909475d95eb9064630e1c58a0af