[INFO] fetching crate decurse 0.0.4... [INFO] testing decurse-0.0.4 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate decurse 0.0.4 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate decurse 0.0.4 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 decurse 0.0.4 [INFO] finished tweaking crates.io crate decurse 0.0.4 [INFO] tweaked toml for crates.io crate decurse 0.0.4 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate decurse 0.0.4 already has a lockfile, it will not be regenerated [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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 2ee2446efbb527cdd0001abfb3d7344ab6ac77e36848109ad3cf034bff78778d [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" "2ee2446efbb527cdd0001abfb3d7344ab6ac77e36848109ad3cf034bff78778d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ee2446efbb527cdd0001abfb3d7344ab6ac77e36848109ad3cf034bff78778d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ee2446efbb527cdd0001abfb3d7344ab6ac77e36848109ad3cf034bff78778d", kill_on_drop: false }` [INFO] [stdout] 2ee2446efbb527cdd0001abfb3d7344ab6ac77e36848109ad3cf034bff78778d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 06e54cfd46d9ac61e014cf5b2fc82821d3e8d318600b03ae904b3a67aea43d9e [INFO] running `Command { std: "docker" "start" "-a" "06e54cfd46d9ac61e014cf5b2fc82821d3e8d318600b03ae904b3a67aea43d9e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling pinned_vec v0.1.1 [INFO] [stderr] Compiling pfn v0.1.0 [INFO] [stderr] Compiling decurse_macro v0.0.1 [INFO] [stderr] Compiling decurse v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/for_macro_only/unsound.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 35 | pub unsafe fn set_next(fut: F) { [INFO] [stdout] | ----------------------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] 36 | CONTEXT.with(|c| unsafe { Context::set_next(*c, fut) }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/for_macro_only/unsound.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 39 | / pub unsafe fn get_result(_phantom: R) -> F::Output [INFO] [stdout] 40 | | where [INFO] [stdout] 41 | | R: PFnOnce, [INFO] [stdout] 42 | | F: Future, [INFO] [stdout] | |______________- because it's nested under this `unsafe` fn [INFO] [stdout] 43 | { [INFO] [stdout] 44 | CONTEXT.with(|c| unsafe { Context::::get_result(*c) }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.22s [INFO] running `Command { std: "docker" "inspect" "06e54cfd46d9ac61e014cf5b2fc82821d3e8d318600b03ae904b3a67aea43d9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06e54cfd46d9ac61e014cf5b2fc82821d3e8d318600b03ae904b3a67aea43d9e", kill_on_drop: false }` [INFO] [stdout] 06e54cfd46d9ac61e014cf5b2fc82821d3e8d318600b03ae904b3a67aea43d9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f19fcae31b0284d3333332a009c10e884ac3c78bb2fc94dc2c356f05f80bffb2 [INFO] running `Command { std: "docker" "start" "-a" "f19fcae31b0284d3333332a009c10e884ac3c78bb2fc94dc2c356f05f80bffb2", kill_on_drop: false }` [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/for_macro_only/unsound.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 35 | pub unsafe fn set_next(fut: F) { [INFO] [stdout] | ----------------------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] 36 | CONTEXT.with(|c| unsafe { Context::set_next(*c, fut) }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/for_macro_only/unsound.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 39 | / pub unsafe fn get_result(_phantom: R) -> F::Output [INFO] [stdout] 40 | | where [INFO] [stdout] 41 | | R: PFnOnce, [INFO] [stdout] 42 | | F: Future, [INFO] [stdout] | |______________- because it's nested under this `unsafe` fn [INFO] [stdout] 43 | { [INFO] [stdout] 44 | CONTEXT.with(|c| unsafe { Context::::get_result(*c) }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling decurse v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/for_macro_only/unsound.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 35 | pub unsafe fn set_next(fut: F) { [INFO] [stdout] | ----------------------------------------- because it's nested under this `unsafe` fn [INFO] [stdout] 36 | CONTEXT.with(|c| unsafe { Context::set_next(*c, fut) }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/for_macro_only/unsound.rs:44:19 [INFO] [stdout] | [INFO] [stdout] 39 | / pub unsafe fn get_result(_phantom: R) -> F::Output [INFO] [stdout] 40 | | where [INFO] [stdout] 41 | | R: PFnOnce, [INFO] [stdout] 42 | | F: Future, [INFO] [stdout] | |______________- because it's nested under this `unsafe` fn [INFO] [stdout] 43 | { [INFO] [stdout] 44 | CONTEXT.with(|c| unsafe { Context::::get_result(*c) }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.24s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/decurse-49b66fde87e7ff4d) [INFO] [stderr] Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-f65e185870d634fc) [INFO] [stderr] Executable tests/test_unsound.rs (/opt/rustwide/target/debug/deps/test_unsound-5e29d7a66300cb83) [INFO] running `Command { std: "docker" "inspect" "f19fcae31b0284d3333332a009c10e884ac3c78bb2fc94dc2c356f05f80bffb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f19fcae31b0284d3333332a009c10e884ac3c78bb2fc94dc2c356f05f80bffb2", kill_on_drop: false }` [INFO] [stdout] f19fcae31b0284d3333332a009c10e884ac3c78bb2fc94dc2c356f05f80bffb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2e00155479765d9744f59ea6576aefc2de95237ce95f5582ebeef1fda94e961a [INFO] running `Command { std: "docker" "start" "-a" "2e00155479765d9744f59ea6576aefc2de95237ce95f5582ebeef1fda94e961a", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/for_macro_only/unsound.rs:36:19 [INFO] [stderr] | [INFO] [stderr] 35 | pub unsafe fn set_next(fut: F) { [INFO] [stderr] | ----------------------------------------- because it's nested under this `unsafe` fn [INFO] [stderr] 36 | CONTEXT.with(|c| unsafe { Context::set_next(*c, fut) }) [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stderr] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/for_macro_only/unsound.rs:44:19 [INFO] [stderr] | [INFO] [stderr] 39 | / pub unsafe fn get_result(_phantom: R) -> F::Output [INFO] [stderr] 40 | | where [INFO] [stderr] 41 | | R: PFnOnce, [INFO] [stderr] 42 | | F: Future, [INFO] [stderr] | |______________- because it's nested under this `unsafe` fn [INFO] [stderr] 43 | { [INFO] [stderr] 44 | CONTEXT.with(|c| unsafe { Context::::get_result(*c) }) [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stderr] [INFO] [stderr] warning: `decurse` (lib) generated 2 warnings [INFO] [stderr] warning: `decurse` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/decurse-49b66fde87e7ff4d) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test for_macro_only::sound::tests::stack_factorial ... ok [INFO] [stdout] test for_macro_only::sound::tests::stack_fibonacci ... ok [INFO] [stdout] test for_macro_only::unsound::tests::factorial ... ok [INFO] [stdout] test for_macro_only::unsound::tests::stack_factorial ... ok [INFO] [stdout] test for_macro_only::sound::tests::factorial ... ok [INFO] [stdout] test for_macro_only::unsound::tests::fibonacci ... ok [INFO] [stdout] test for_macro_only::unsound::tests::stack_fibonacci ... ok [INFO] [stdout] test for_macro_only::sound::tests::fibonacci ... ok [INFO] [stdout] test for_macro_only::sound::tests::triangular ... ok [INFO] [stdout] test for_macro_only::unsound::tests::triangular ... ok [INFO] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-f65e185870d634fc) [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_factorial ... ok [INFO] [stdout] test test_no_arg ... ok [INFO] [stdout] test test_fibonacci ... ok [INFO] [stdout] test test_no_return ... ok [INFO] [stdout] test test_generic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test_unsound.rs (/opt/rustwide/target/debug/deps/test_unsound-5e29d7a66300cb83) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_borrow ... ok [INFO] [stdout] test test_factorial ... ok [INFO] [stdout] test test_generic ... ok [INFO] [stdout] test test_borrow_current ... ok [INFO] [stdout] test test_fibonacci ... ok [INFO] [stdout] test test_no_arg ... ok [INFO] [stdout] test test_no_return ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests decurse [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2e00155479765d9744f59ea6576aefc2de95237ce95f5582ebeef1fda94e961a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e00155479765d9744f59ea6576aefc2de95237ce95f5582ebeef1fda94e961a", kill_on_drop: false }` [INFO] [stdout] 2e00155479765d9744f59ea6576aefc2de95237ce95f5582ebeef1fda94e961a