[INFO] fetching crate jump 0.1.0... [INFO] testing jump-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate jump 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate jump 0.1.0 [INFO] finished tweaking crates.io crate jump 0.1.0 [INFO] tweaked toml for crates.io crate jump 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate jump 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fc2097d8b7bb40714519af33e379ef2e879966d1e28fb547fd72fc91fb8e4c3 [INFO] running `Command { std: "docker" "start" "-a" "9fc2097d8b7bb40714519af33e379ef2e879966d1e28fb547fd72fc91fb8e4c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fc2097d8b7bb40714519af33e379ef2e879966d1e28fb547fd72fc91fb8e4c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fc2097d8b7bb40714519af33e379ef2e879966d1e28fb547fd72fc91fb8e4c3", kill_on_drop: false }` [INFO] [stdout] 9fc2097d8b7bb40714519af33e379ef2e879966d1e28fb547fd72fc91fb8e4c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e57db1723ac77d39c92e58e0dc19d06f2a2e37001560f4c1d8b8ead9b4b4ad5e [INFO] running `Command { std: "docker" "start" "-a" "e57db1723ac77d39c92e58e0dc19d06f2a2e37001560f4c1d8b8ead9b4b4ad5e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling jump v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling void v1.0.2 [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:40:75 [INFO] [stdout] | [INFO] [stdout] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ------------ ^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:40:62 [INFO] [stdout] | [INFO] [stdout] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:45:79 [INFO] [stdout] | [INFO] [stdout] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ------------ ^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:45:66 [INFO] [stdout] | [INFO] [stdout] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `n_saved_regs` should have an upper case name [INFO] [stdout] --> src/lib.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const n_saved_regs: usize = 8; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 15 - const n_saved_regs: usize = 8; [INFO] [stdout] 15 + const N_SAVED_REGS: usize = 8; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[usize; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:30:29 [INFO] [stdout] | [INFO] [stdout] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "e57db1723ac77d39c92e58e0dc19d06f2a2e37001560f4c1d8b8ead9b4b4ad5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e57db1723ac77d39c92e58e0dc19d06f2a2e37001560f4c1d8b8ead9b4b4ad5e", kill_on_drop: false }` [INFO] [stdout] e57db1723ac77d39c92e58e0dc19d06f2a2e37001560f4c1d8b8ead9b4b4ad5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e8b54e297b8ed8fe15b6da27592a394cae357a783e192a1d11302650ca914f4 [INFO] running `Command { std: "docker" "start" "-a" "9e8b54e297b8ed8fe15b6da27592a394cae357a783e192a1d11302650ca914f4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:40:75 [INFO] [stdout] | [INFO] [stdout] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ------------ ^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:40:62 [INFO] [stdout] | [INFO] [stdout] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:45:79 [INFO] [stdout] | [INFO] [stdout] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ------------ ^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:45:66 [INFO] [stdout] | [INFO] [stdout] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `n_saved_regs` should have an upper case name [INFO] [stdout] --> src/lib.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const n_saved_regs: usize = 8; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 15 - const n_saved_regs: usize = 8; [INFO] [stdout] 15 + const N_SAVED_REGS: usize = 8; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[usize; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:30:29 [INFO] [stdout] | [INFO] [stdout] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling jump v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:30:34 [INFO] [stdout] | [INFO] [stdout] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:40:75 [INFO] [stdout] | [INFO] [stdout] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ------------ ^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:40:62 [INFO] [stdout] | [INFO] [stdout] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:45:79 [INFO] [stdout] | [INFO] [stdout] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ------------ ^ unreachable expression [INFO] [stdout] | | [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:45:66 [INFO] [stdout] | [INFO] [stdout] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:65:11 [INFO] [stdout] | [INFO] [stdout] 65 | fn test() { [INFO] [stdout] | ___________^ [INFO] [stdout] 66 | | let mut opt_y = None; [INFO] [stdout] 67 | | let (jump, opt_x) = unsafe { Jump::new() }; [INFO] [stdout] 68 | | assert_eq!(opt_y, opt_x); [INFO] [stdout] ... | [INFO] [stdout] 72 | | jump(()); [INFO] [stdout] | | -------- any code following this expression is unreachable [INFO] [stdout] 73 | | } [INFO] [stdout] | |_^ unreachable expression [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Void`, which is uninhabited [INFO] [stdout] --> src/lib.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | jump(()); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `opt_y` is never read [INFO] [stdout] --> src/lib.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | opt_y = Some(()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `n_saved_regs` should have an upper case name [INFO] [stdout] --> src/lib.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | const n_saved_regs: usize = 8; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 15 - const n_saved_regs: usize = 8; [INFO] [stdout] 15 + const N_SAVED_REGS: usize = 8; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[usize; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/lib.rs:30:29 [INFO] [stdout] | [INFO] [stdout] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "9e8b54e297b8ed8fe15b6da27592a394cae357a783e192a1d11302650ca914f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e8b54e297b8ed8fe15b6da27592a394cae357a783e192a1d11302650ca914f4", kill_on_drop: false }` [INFO] [stdout] 9e8b54e297b8ed8fe15b6da27592a394cae357a783e192a1d11302650ca914f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 89645e665967abfb638e279d7b75a2b8ae2875ba1f4c30df894322db50c1bdf1 [INFO] running `Command { std: "docker" "start" "-a" "89645e665967abfb638e279d7b75a2b8ae2875ba1f4c30df894322db50c1bdf1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:30:34 [INFO] [stderr] | [INFO] [stderr] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:40:75 [INFO] [stderr] | [INFO] [stderr] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stderr] | ------------ ^ unreachable expression [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] note: this expression has type `Void`, which is uninhabited [INFO] [stderr] --> src/lib.rs:40:62 [INFO] [stderr] | [INFO] [stderr] 40 | extern "rust-call" fn call_once(self, a: (T,)) -> Void { self.call(a) } [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:45:79 [INFO] [stderr] | [INFO] [stderr] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stderr] | ------------ ^ unreachable expression [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] note: this expression has type `Void`, which is uninhabited [INFO] [stderr] --> src/lib.rs:45:66 [INFO] [stderr] | [INFO] [stderr] 45 | extern "rust-call" fn call_mut(&mut self, a: (T,)) -> Void { self.call(a) } [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `n_saved_regs` should have an upper case name [INFO] [stderr] --> src/lib.rs:15:7 [INFO] [stderr] | [INFO] [stderr] 15 | const n_saved_regs: usize = 8; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] help: convert the identifier to upper case [INFO] [stderr] | [INFO] [stderr] 15 - const n_saved_regs: usize = 8; [INFO] [stderr] 15 + const N_SAVED_REGS: usize = 8; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: the type `[usize; 8]` does not permit being left uninitialized [INFO] [stderr] --> src/lib.rs:30:29 [INFO] [stderr] | [INFO] [stderr] 30 | let mut jump = Jump(mem::uninitialized(), &mut opt_x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: integers must be initialized [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `jump` (lib) generated 5 warnings (run `cargo fix --lib -p jump` to apply 1 suggestion) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:65:11 [INFO] [stderr] | [INFO] [stderr] 65 | fn test() { [INFO] [stderr] | ___________^ [INFO] [stderr] 66 | | let mut opt_y = None; [INFO] [stderr] 67 | | let (jump, opt_x) = unsafe { Jump::new() }; [INFO] [stderr] 68 | | assert_eq!(opt_y, opt_x); [INFO] [stderr] ... | [INFO] [stderr] 72 | | jump(()); [INFO] [stderr] | | -------- any code following this expression is unreachable [INFO] [stderr] 73 | | } [INFO] [stderr] | |_^ unreachable expression [INFO] [stderr] | [INFO] [stderr] note: this expression has type `Void`, which is uninhabited [INFO] [stderr] --> src/lib.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | jump(()); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `opt_y` is never read [INFO] [stderr] --> src/lib.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | opt_y = Some(()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `jump` (lib test) generated 7 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jump-0843623e96f21fee) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/jump-0843623e96f21fee` (signal: 5, SIGTRAP: trace/breakpoint trap) [INFO] running `Command { std: "docker" "inspect" "89645e665967abfb638e279d7b75a2b8ae2875ba1f4c30df894322db50c1bdf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89645e665967abfb638e279d7b75a2b8ae2875ba1f4c30df894322db50c1bdf1", kill_on_drop: false }` [INFO] [stdout] 89645e665967abfb638e279d7b75a2b8ae2875ba1f4c30df894322db50c1bdf1