[INFO] fetching crate lithium 1.0.4... [INFO] testing lithium-1.0.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate lithium 1.0.4 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate lithium 1.0.4 [INFO] finished tweaking crates.io crate lithium 1.0.4 [INFO] tweaked toml for crates.io crate lithium 1.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lithium 1.0.4 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] crate crates.io crate lithium 1.0.4 already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 07d5be22d5da385f6bc8b4da56f2ec0a4654cea3fa752a37a17a9dde69b01469 [INFO] running `Command { std: "docker" "start" "-a" "07d5be22d5da385f6bc8b4da56f2ec0a4654cea3fa752a37a17a9dde69b01469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07d5be22d5da385f6bc8b4da56f2ec0a4654cea3fa752a37a17a9dde69b01469", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07d5be22d5da385f6bc8b4da56f2ec0a4654cea3fa752a37a17a9dde69b01469", kill_on_drop: false }` [INFO] [stdout] 07d5be22d5da385f6bc8b4da56f2ec0a4654cea3fa752a37a17a9dde69b01469 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 182753546d8e520d16f1ee92784545d97197c4131810f39f7179da7e91bc4a90 [INFO] running `Command { std: "docker" "start" "-a" "182753546d8e520d16f1ee92784545d97197c4131810f39f7179da7e91bc4a90", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling typeid v1.0.2 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling lithium v1.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "182753546d8e520d16f1ee92784545d97197c4131810f39f7179da7e91bc4a90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "182753546d8e520d16f1ee92784545d97197c4131810f39f7179da7e91bc4a90", kill_on_drop: false }` [INFO] [stdout] 182753546d8e520d16f1ee92784545d97197c4131810f39f7179da7e91bc4a90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] acec75609a1a410d57687cea4e2834a61836c790121f728a287bf002188c21a8 [INFO] running `Command { std: "docker" "start" "-a" "acec75609a1a410d57687cea4e2834a61836c790121f728a287bf002188c21a8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling serde v1.0.213 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Compiling clap_lex v0.7.2 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling anstyle v1.0.9 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling half v2.4.1 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling anyhow v1.0.91 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling is-terminal v0.4.13 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling oorandom v11.1.4 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling replace_with v0.1.7 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling clap_builder v4.5.20 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling regex-automata v0.4.8 [INFO] [stderr] Compiling syn v2.0.85 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling clap v4.5.20 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.213 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Compiling lithium v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] error: never type fallback affects this call to an `unsafe` function [INFO] [stdout] --> src/backend/mod.rs:201:13 [INFO] [stdout] | [INFO] [stdout] 201 | / ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 202 | | ActiveBackend::throw(String::from("Hello, world!")); [INFO] [stdout] 203 | | }) [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] = note: `#[deny(never_type_fallback_flowing_into_unsafe)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 201 - ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 201 + ActiveBackend::intercept::<_, (), String>(|| { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: never type fallback affects this call to an `unsafe` function [INFO] [stdout] --> src/backend/mod.rs:238:13 [INFO] [stdout] | [INFO] [stdout] 238 | / ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 239 | | let result = ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 240 | | ActiveBackend::throw(String::from("Hello, world!")); [INFO] [stdout] 241 | | }); [INFO] [stdout] ... | [INFO] [stdout] 244 | | handle.rethrow(ex2); [INFO] [stdout] 245 | | }) [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 238 - ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 238 + ActiveBackend::intercept::<_, (), String>(|| { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: never type fallback affects this call to an `unsafe` function [INFO] [stdout] --> src/backend/mod.rs:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | / ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 263 | | let _dropper = Dropper(&mut destructor_was_run); [INFO] [stdout] 264 | | ActiveBackend::throw(String::from("Hello, world!")); [INFO] [stdout] 265 | | }) [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 262 - ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 262 + ActiveBackend::intercept::<_, (), String>(|| { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: never type fallback affects this call to an `unsafe` function [INFO] [stdout] --> src/backend/mod.rs:289:13 [INFO] [stdout] | [INFO] [stdout] 289 | / ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 290 | | let _dropper = Dropper; [INFO] [stdout] 291 | | ActiveBackend::throw(String::from("Hello, world!")); [INFO] [stdout] 292 | | }) [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 289 - ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 289 + ActiveBackend::intercept::<_, (), String>(|| { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: never type fallback affects this call to an `unsafe` function [INFO] [stdout] --> src/backend/mod.rs:279:21 [INFO] [stdout] | [INFO] [stdout] 279 | / ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 280 | | ActiveBackend::throw(String::from("Awful idea")); [INFO] [stdout] 281 | | }) [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the type explicitly [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 279 - ActiveBackend::intercept::<_, _, String>(|| { [INFO] [stdout] 279 + ActiveBackend::intercept::<_, (), String>(|| { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lithium` (lib test) due to 15 previous errors [INFO] running `Command { std: "docker" "inspect" "acec75609a1a410d57687cea4e2834a61836c790121f728a287bf002188c21a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acec75609a1a410d57687cea4e2834a61836c790121f728a287bf002188c21a8", kill_on_drop: false }` [INFO] [stdout] acec75609a1a410d57687cea4e2834a61836c790121f728a287bf002188c21a8