[INFO] crate clear_on_drop 0.2.3 is already in cache
[INFO] testing clear_on_drop-0.2.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate clear_on_drop 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate clear_on_drop 0.2.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate clear_on_drop 0.2.3
[INFO] finished tweaking crates.io crate clear_on_drop 0.2.3
[INFO] tweaked toml for crates.io crate clear_on_drop 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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=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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 212775b4d2b0ca5e695a9bfa9a109c2bc041cc46e8a26aba4691f6e8f6ecf6ab
[INFO] running `"docker" "start" "-a" "212775b4d2b0ca5e695a9bfa9a109c2bc041cc46e8a26aba4691f6e8f6ecf6ab"`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling clear_on_drop v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `"docker" "inspect" "212775b4d2b0ca5e695a9bfa9a109c2bc041cc46e8a26aba4691f6e8f6ecf6ab"`
[INFO] running `"docker" "rm" "-f" "212775b4d2b0ca5e695a9bfa9a109c2bc041cc46e8a26aba4691f6e8f6ecf6ab"`
[INFO] [stdout] 212775b4d2b0ca5e695a9bfa9a109c2bc041cc46e8a26aba4691f6e8f6ecf6ab
[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=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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 9bbc53e649054cf8770338e18628d433935b639c151169edeebbdb3685ba2aa3
[INFO] running `"docker" "start" "-a" "9bbc53e649054cf8770338e18628d433935b639c151169edeebbdb3685ba2aa3"`
[INFO] [stderr]    Compiling clear_on_drop v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "9bbc53e649054cf8770338e18628d433935b639c151169edeebbdb3685ba2aa3"`
[INFO] running `"docker" "rm" "-f" "9bbc53e649054cf8770338e18628d433935b639c151169edeebbdb3685ba2aa3"`
[INFO] [stdout] 9bbc53e649054cf8770338e18628d433935b639c151169edeebbdb3685ba2aa3
[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=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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bce21dee49af28350f1377f3afe5b037d8c291598bb1068da8f2ae5be2e9d86
[INFO] running `"docker" "start" "-a" "9bce21dee49af28350f1377f3afe5b037d8c291598bb1068da8f2ae5be2e9d86"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clear_on_drop-4fc1074ac2b7e1ac
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test clear_on_drop::tests::into_string ... ok
[INFO] [stdout] test clear_on_drop::tests::into_uncleared_string ... ok
[INFO] [stdout] test clear_on_drop::tests::on_box ... ok
[INFO] [stdout] test clear_on_drop::tests::into_box ... ok
[INFO] [stdout] test clear_on_drop::tests::into_uncleared_box ... ok
[INFO] [stdout] test clear_on_drop::tests::on_boxed_slice ... ok
[INFO] [stdout] test hide::tests::hide_mem ... ok
[INFO] [stdout] test clear_on_drop::tests::on_str_slice ... ok
[INFO] [stdout] test clear_on_drop::tests::on_fixed_size_array ... ok
[INFO] [stdout] test clear_on_drop::tests::on_stack ... ok
[INFO] [stdout] test clear_on_drop::tests::on_slice ... ok
[INFO] [stdout] test hide::tests::hide_ptr ... ok
[INFO] [stdout] test clear_on_drop::tests::on_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clear_on_drop
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/clear.rs - clear (line 7) ... ok
[INFO] [stdout] test src/clear.rs - clear (line 21) ... ok
[INFO] [stdout] test src/clear_on_drop.rs - clear_on_drop::ClearOnDrop (line 20) ... ok
[INFO] [stdout] test src/clear_stack_on_return.rs - clear_stack_on_return::clear_stack_on_return_fnonce (line 40) ... ok
[INFO] [stdout] test src/clear_stack_on_return.rs - clear_stack_on_return::clear_stack_on_return (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9bce21dee49af28350f1377f3afe5b037d8c291598bb1068da8f2ae5be2e9d86"`
[INFO] running `"docker" "rm" "-f" "9bce21dee49af28350f1377f3afe5b037d8c291598bb1068da8f2ae5be2e9d86"`
[INFO] [stdout] 9bce21dee49af28350f1377f3afe5b037d8c291598bb1068da8f2ae5be2e9d86