[INFO] fetching crate memur 0.1.2...
[INFO] testing memur-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate memur 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate memur 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memur 0.1.2
[INFO] finished tweaking crates.io crate memur 0.1.2
[INFO] tweaked toml for crates.io crate memur 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] f486394d7c29bb39160595d90b7297986cd30b516e7d5bb951ff5a1294b79be6
[INFO] running `Command { std: "docker" "start" "-a" "f486394d7c29bb39160595d90b7297986cd30b516e7d5bb951ff5a1294b79be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f486394d7c29bb39160595d90b7297986cd30b516e7d5bb951ff5a1294b79be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f486394d7c29bb39160595d90b7297986cd30b516e7d5bb951ff5a1294b79be6", kill_on_drop: false }`
[INFO] [stdout] f486394d7c29bb39160595d90b7297986cd30b516e7d5bb951ff5a1294b79be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 85fa54fdbce775858fe0984a442f3be061cbbd70d2cbda109eff33982ae79eed
[INFO] running `Command { std: "docker" "start" "-a" "85fa54fdbce775858fe0984a442f3be061cbbd70d2cbda109eff33982ae79eed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memur v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `transmute_copy` that must be used
[INFO] [stdout]    --> src/droplist.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     std::mem::transmute_copy::<T, T>(ref_to_t);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 1.89s
[INFO] running `Command { std: "docker" "inspect" "85fa54fdbce775858fe0984a442f3be061cbbd70d2cbda109eff33982ae79eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fa54fdbce775858fe0984a442f3be061cbbd70d2cbda109eff33982ae79eed", kill_on_drop: false }`
[INFO] [stdout] 85fa54fdbce775858fe0984a442f3be061cbbd70d2cbda109eff33982ae79eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943a94162484747103d48a028f4e0057fa5b3567db63e9789e270b35906eda9f
[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" "943a94162484747103d48a028f4e0057fa5b3567db63e9789e270b35906eda9f", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `transmute_copy` that must be used
[INFO] [stdout]    --> src/droplist.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     std::mem::transmute_copy::<T, T>(ref_to_t);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memur v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `transmute_copy` that must be used
[INFO] [stdout]    --> src/droplist.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     std::mem::transmute_copy::<T, T>(ref_to_t);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 2.71s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/memur-a9c9d14e2a1bef52)
[INFO] running `Command { std: "docker" "inspect" "943a94162484747103d48a028f4e0057fa5b3567db63e9789e270b35906eda9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943a94162484747103d48a028f4e0057fa5b3567db63e9789e270b35906eda9f", kill_on_drop: false }`
[INFO] [stdout] 943a94162484747103d48a028f4e0057fa5b3567db63e9789e270b35906eda9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 7005aa1f595d3496587f574d6aa76583fdd286c631990650f5c533c46e6459b0
[INFO] running `Command { std: "docker" "start" "-a" "7005aa1f595d3496587f574d6aa76583fdd286c631990650f5c533c46e6459b0", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `transmute_copy` that must be used
[INFO] [stderr]    --> src/droplist.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     std::mem::transmute_copy::<T, T>(ref_to_t);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `memur` (lib) generated 1 warning
[INFO] [stderr] warning: `memur` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memur-a9c9d14e2a1bef52)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test array::array::has_items_when_iterating_items_i8 ... ok
[INFO] [stdout] test array::array::has_items_when_iterating_items_i16_but_not_when_arena_is_dead ... ok
[INFO] [stdout] test droplist::tests::droplist_chain ... ok
[INFO] [stdout] test arena::arena_tests::value_can_not_be_used_when_arena_goes_out_of_scope ... ok
[INFO] [stdout] test dropflag::dropflag ... ok
[INFO] [stdout] test array::array::has_items_when_iterating ... ok
[INFO] [stdout] test list::list_tests::simple_test ... ok
[INFO] [stdout] test list::list_tests::many_items_test ... ok
[INFO] [stdout] test array::array::has_items_when_iterating_items_i16 ... ok
[INFO] [stdout] test ustr::ustr_tests::test_str ... ok
[INFO] [stdout] test ustr::ustr_tests::test_str_with_nul ... ok
[INFO] [stdout] test arena::arena_tests::nested_objects_are_dropped_properly ... ok
[INFO] [stderr]    Doc-tests memur
[INFO] [stdout] test droplist::tests::droplist_single ... ok
[INFO] [stdout] test list::list_tests::test_collect ... ok
[INFO] [stdout] test array::array::test_collect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 226) ... ok
[INFO] [stdout] test src/lib.rs - (line 182) ... ok
[INFO] [stdout] test src/lib.rs - (line 289) ... ok
[INFO] [stdout] test src/lib.rs - (line 207) ... ok
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/lib.rs - (line 140) ... ok
[INFO] [stdout] test src/lib.rs - (line 263) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7005aa1f595d3496587f574d6aa76583fdd286c631990650f5c533c46e6459b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7005aa1f595d3496587f574d6aa76583fdd286c631990650f5c533c46e6459b0", kill_on_drop: false }`
[INFO] [stdout] 7005aa1f595d3496587f574d6aa76583fdd286c631990650f5c533c46e6459b0