[INFO] crate alloc-no-stdlib 2.0.1 is already in cache
[INFO] testing alloc-no-stdlib-2.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate alloc-no-stdlib 2.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate alloc-no-stdlib 2.0.1 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 alloc-no-stdlib 2.0.1
[INFO] finished tweaking crates.io crate alloc-no-stdlib 2.0.1
[INFO] tweaked toml for crates.io crate alloc-no-stdlib 2.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=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] f7f9a6a85c6682a097cb289bdeac407c8e485573e78d96df6c4cb0323e206117
[INFO] running `"docker" "start" "-a" "f7f9a6a85c6682a097cb289bdeac407c8e485573e78d96df6c4cb0323e206117"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 core::mem::replace(&mut self.system_resources.slice_mut()[index],
[INFO] [stderr] 67 | |                                    farthest_free_list);
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             core::mem::replace(&mut self.system_resources.slice_mut()[index], return_to_sender);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_start],
[INFO] [stderr] 86 | |                                val.mem);
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 | /                    core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_overflow_count],
[INFO] [stderr] 94 | |                                       val.mem);
[INFO] [stderr]    | |_______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "f7f9a6a85c6682a097cb289bdeac407c8e485573e78d96df6c4cb0323e206117"`
[INFO] running `"docker" "rm" "-f" "f7f9a6a85c6682a097cb289bdeac407c8e485573e78d96df6c4cb0323e206117"`
[INFO] [stdout] f7f9a6a85c6682a097cb289bdeac407c8e485573e78d96df6c4cb0323e206117
[INFO] running `"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=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] 4bf39816c86c69b3c1fd38d52e711ec88d7eda3cec4ec34fc345b6f053bea3ff
[INFO] running `"docker" "start" "-a" "4bf39816c86c69b3c1fd38d52e711ec88d7eda3cec4ec34fc345b6f053bea3ff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 core::mem::replace(&mut self.system_resources.slice_mut()[index],
[INFO] [stderr] 67 | |                                    farthest_free_list);
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             core::mem::replace(&mut self.system_resources.slice_mut()[index], return_to_sender);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_start],
[INFO] [stderr] 86 | |                                val.mem);
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 | /                    core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_overflow_count],
[INFO] [stderr] 94 | |                                       val.mem);
[INFO] [stderr]    | |_______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 core::mem::replace(&mut self.system_resources.slice_mut()[index],
[INFO] [stderr] 67 | |                                    farthest_free_list);
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             core::mem::replace(&mut self.system_resources.slice_mut()[index], return_to_sender);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_start],
[INFO] [stderr] 86 | |                                val.mem);
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 | /                    core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_overflow_count],
[INFO] [stderr] 94 | |                                       val.mem);
[INFO] [stderr]    | |_______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.56s
[INFO] running `"docker" "inspect" "4bf39816c86c69b3c1fd38d52e711ec88d7eda3cec4ec34fc345b6f053bea3ff"`
[INFO] running `"docker" "rm" "-f" "4bf39816c86c69b3c1fd38d52e711ec88d7eda3cec4ec34fc345b6f053bea3ff"`
[INFO] [stdout] 4bf39816c86c69b3c1fd38d52e711ec88d7eda3cec4ec34fc345b6f053bea3ff
[INFO] running `"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=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] [stdout] ca562827692d63e1b8e5625bfa20814e559f16776b2a9ad7cd51c4b9ba5d2e5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ca562827692d63e1b8e5625bfa20814e559f16776b2a9ad7cd51c4b9ba5d2e5f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 core::mem::replace(&mut self.system_resources.slice_mut()[index],
[INFO] [stderr] 67 | |                                    farthest_free_list);
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             core::mem::replace(&mut self.system_resources.slice_mut()[index], return_to_sender);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_start],
[INFO] [stderr] 86 | |                                val.mem);
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 | /                    core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_overflow_count],
[INFO] [stderr] 94 | |                                       val.mem);
[INFO] [stderr]    | |_______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 core::mem::replace(&mut self.system_resources.slice_mut()[index],
[INFO] [stderr] 67 | |                                    farthest_free_list);
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             core::mem::replace(&mut self.system_resources.slice_mut()[index], return_to_sender);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_start],
[INFO] [stderr] 86 | |                                val.mem);
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used
[INFO] [stderr]   --> src/stack_allocator.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 | /                    core::mem::replace(&mut self.system_resources.slice_mut()[self.free_list_overflow_count],
[INFO] [stderr] 94 | |                                       val.mem);
[INFO] [stderr]    | |_______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alloc_no_stdlib-0e346213c367c507
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/example-534c22e467352c82
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::heap_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-f132107cf3eb0971
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test global_pool_test ... ok
[INFO] [stdout] test calloc_leak_pool_test ... ok
[INFO] [stdout] test stack_pool_test ... ok
[INFO] [stdout] test uninitialized_stack_pool_free_null ... ok
[INFO] [stdout] test uninitialized_calloc_pool_test ... ok
[INFO] [stdout] test stack_pool_free_null ... ok
[INFO] [stdout] test uninitialized_stack_pool_test ... ok
[INFO] [stdout] test uninitialized_global_pool_test ... ok
[INFO] [stdout] test malloc_pool_test ... ok
[INFO] [stdout] test calloc_pool_test ... ok
[INFO] [stderr]    Doc-tests alloc-no-stdlib
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ca562827692d63e1b8e5625bfa20814e559f16776b2a9ad7cd51c4b9ba5d2e5f"`
[INFO] running `"docker" "rm" "-f" "ca562827692d63e1b8e5625bfa20814e559f16776b2a9ad7cd51c4b9ba5d2e5f"`
[INFO] [stdout] ca562827692d63e1b8e5625bfa20814e559f16776b2a9ad7cd51c4b9ba5d2e5f