[INFO] fetching crate zygote 0.1.2... [INFO] testing zygote-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate zygote 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate zygote 0.1.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate zygote 0.1.2 [INFO] tweaked toml for crates.io crate zygote 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate zygote 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages to latest compatible versions [INFO] [stderr] Adding nix v0.29.0 (available: v0.31.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 455fc9eb8a0ad236684da8e0a37f926eaefa8fa59f319de737f83d1e61f690e8 [INFO] running `Command { std: "docker" "start" "-a" "455fc9eb8a0ad236684da8e0a37f926eaefa8fa59f319de737f83d1e61f690e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "455fc9eb8a0ad236684da8e0a37f926eaefa8fa59f319de737f83d1e61f690e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "455fc9eb8a0ad236684da8e0a37f926eaefa8fa59f319de737f83d1e61f690e8", kill_on_drop: false }` [INFO] [stdout] 455fc9eb8a0ad236684da8e0a37f926eaefa8fa59f319de737f83d1e61f690e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea653240e95f5f53b864f5868079bd03b7c4dfe53cb8726e77c9793827a0e3a0 [INFO] running `Command { std: "docker" "start" "-a" "ea653240e95f5f53b864f5868079bd03b7c4dfe53cb8726e77c9793827a0e3a0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling libc v0.2.185 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling thiserror v2.0.18 [INFO] [stderr] Compiling bitflags v2.11.1 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling thiserror-impl v2.0.18 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling rmp v0.8.15 [INFO] [stderr] Compiling rmp-serde v1.3.1 [INFO] [stderr] Compiling zygote v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: direct cast of function item into an integer [INFO] [stdout] --> src/lib.rs:225:42 [INFO] [stdout] | [INFO] [stdout] 225 | let runner = runner:: as usize; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(function_casts_as_integer)]` on by default [INFO] [stdout] help: first cast to a pointer `as *const ()` [INFO] [stdout] | [INFO] [stdout] 225 | let runner = runner:: as *const () as usize; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "ea653240e95f5f53b864f5868079bd03b7c4dfe53cb8726e77c9793827a0e3a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea653240e95f5f53b864f5868079bd03b7c4dfe53cb8726e77c9793827a0e3a0", kill_on_drop: false }` [INFO] [stdout] ea653240e95f5f53b864f5868079bd03b7c4dfe53cb8726e77c9793827a0e3a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df763fdff395cb7a2832dde7817ace074dd0bb0ce1f094057eff3ecca2d36869 [INFO] running `Command { std: "docker" "start" "-a" "df763fdff395cb7a2832dde7817ace074dd0bb0ce1f094057eff3ecca2d36869", kill_on_drop: false }` [INFO] [stderr] Compiling zygote v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: direct cast of function item into an integer [INFO] [stdout] --> src/lib.rs:225:42 [INFO] [stdout] | [INFO] [stdout] 225 | let runner = runner:: as usize; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(function_casts_as_integer)]` on by default [INFO] [stdout] help: first cast to a pointer `as *const ()` [INFO] [stdout] | [INFO] [stdout] 225 | let runner = runner:: as *const () as usize; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: direct cast of function item into an integer [INFO] [stdout] --> src/lib.rs:225:42 [INFO] [stdout] | [INFO] [stdout] 225 | let runner = runner:: as usize; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(function_casts_as_integer)]` on by default [INFO] [stdout] help: first cast to a pointer `as *const ()` [INFO] [stdout] | [INFO] [stdout] 225 | let runner = runner:: as *const () as usize; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "df763fdff395cb7a2832dde7817ace074dd0bb0ce1f094057eff3ecca2d36869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df763fdff395cb7a2832dde7817ace074dd0bb0ce1f094057eff3ecca2d36869", kill_on_drop: false }` [INFO] [stdout] df763fdff395cb7a2832dde7817ace074dd0bb0ce1f094057eff3ecca2d36869 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7735a71d3354847177638c43b3cb37afcd3146aa7c3ad772f15aed8f74bdc563 [INFO] running `Command { std: "docker" "start" "-a" "7735a71d3354847177638c43b3cb37afcd3146aa7c3ad772f15aed8f74bdc563", kill_on_drop: false }` [INFO] [stderr] warning: direct cast of function item into an integer [INFO] [stderr] --> src/lib.rs:225:42 [INFO] [stderr] | [INFO] [stderr] 225 | let runner = runner:: as usize; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(function_casts_as_integer)]` on by default [INFO] [stderr] help: first cast to a pointer `as *const ()` [INFO] [stderr] | [INFO] [stderr] 225 | let runner = runner:: as *const () as usize; [INFO] [stderr] | ++++++++++++ [INFO] [stderr] [INFO] [stderr] warning: `zygote` (lib) generated 1 warning (run `cargo fix --lib -p zygote` to apply 1 suggestion) [INFO] [stderr] warning: `zygote` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zygote-ba3c4a80b8ffab81) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test pipe::test::basic ... ok [INFO] [stdout] test pipe::test::validate_type ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-c1e9e2406b5dec24) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test many_calls ... ok [INFO] [stdout] test nested_zygote ... ok [INFO] [stdout] test task_success ... ok [INFO] [stdout] test wire_error ... ok [INFO] [stdout] test task_failure - should panic ... ok [INFO] [stdout] test send_fd ... ok [INFO] [stdout] test large_payload ... ok [INFO] [stdout] test send_many_fd ... ok [INFO] [stdout] test send_too_many_fd ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s [INFO] [stdout] [INFO] [stderr] Doc-tests zygote [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/lib.rs - Zygote::try_run (line 210) ... FAILED [INFO] [stdout] test src/error.rs - error::WireError (line 36) - compile fail ... ok [INFO] [stdout] test src/lib.rs - Zygote::init (line 69) ... ok [INFO] [stdout] test src/lib.rs - Zygote::new (line 120) ... ok [INFO] [stdout] test src/lib.rs - Zygote::run (line 189) ... ok [INFO] [stdout] test src/lib.rs - (line 8) ... ok [INFO] [stdout] test src/error.rs - error::WireError (line 52) ... ok [INFO] [stdout] test src/lib.rs - Zygote::run (line 171) ... ok [INFO] [stdout] test src/lib.rs - Zygote::global (line 92) ... ok [INFO] [stdout] test src/lib.rs - Zygote::new (line 108) ... ok [INFO] [stdout] test src/lib.rs - Zygote::spawn (line 241) ... ok [INFO] [stdout] test src/fd.rs - fd::WireFd (line 16) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Zygote::try_run (line 210) stdout ---- [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/lib.rs:211:38 [INFO] [stdout] | [INFO] [stdout] 211 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_210_0() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: serde_core::ser::Serialize` will fail [INFO] [stdout] --> src/lib.rs:217:26 [INFO] [stdout] | [INFO] [stdout] 217 | let res = zygote.try_run(|_| panic!("oops"), ()).unwrap_err(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 217 | let res = zygote.try_run::<_, ()>(|_| panic!("oops"), ()).unwrap_err(); [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - Zygote::try_run (line 210) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "7735a71d3354847177638c43b3cb37afcd3146aa7c3ad772f15aed8f74bdc563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7735a71d3354847177638c43b3cb37afcd3146aa7c3ad772f15aed8f74bdc563", kill_on_drop: false }` [INFO] [stdout] 7735a71d3354847177638c43b3cb37afcd3146aa7c3ad772f15aed8f74bdc563