[INFO] fetching crate reduce_unsafe 0.1.0... [INFO] testing reduce_unsafe-0.1.0 against 1.91.0 for beta-1.92-2 [INFO] extracting crate reduce_unsafe 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate reduce_unsafe 0.1.0 [INFO] finished tweaking crates.io crate reduce_unsafe 0.1.0 [INFO] tweaked toml for crates.io crate reduce_unsafe 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate reduce_unsafe 0.1.0 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31c7d89ac8206fc8da2619479c4c36d88cd131b63b5d290cb9977c0d9c23c167 [INFO] running `Command { std: "docker" "start" "-a" "31c7d89ac8206fc8da2619479c4c36d88cd131b63b5d290cb9977c0d9c23c167", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31c7d89ac8206fc8da2619479c4c36d88cd131b63b5d290cb9977c0d9c23c167", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31c7d89ac8206fc8da2619479c4c36d88cd131b63b5d290cb9977c0d9c23c167", kill_on_drop: false }` [INFO] [stdout] 31c7d89ac8206fc8da2619479c4c36d88cd131b63b5d290cb9977c0d9c23c167 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d645d18bf6612eaf8894335df8509c194ca82eb15e03a16734e7895008e9bedc [INFO] running `Command { std: "docker" "start" "-a" "d645d18bf6612eaf8894335df8509c194ca82eb15e03a16734e7895008e9bedc", kill_on_drop: false }` [INFO] [stderr] Compiling reduce_unsafe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stdout] --> src/lib.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | #[cfg_attr(reduce_unsafe, should_panic)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "d645d18bf6612eaf8894335df8509c194ca82eb15e03a16734e7895008e9bedc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d645d18bf6612eaf8894335df8509c194ca82eb15e03a16734e7895008e9bedc", kill_on_drop: false }` [INFO] [stdout] d645d18bf6612eaf8894335df8509c194ca82eb15e03a16734e7895008e9bedc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54676fcfd483c0b1185665ea7eb1f7f2759a0a1603131ef89134ea62e780a8ce [INFO] running `Command { std: "docker" "start" "-a" "54676fcfd483c0b1185665ea7eb1f7f2759a0a1603131ef89134ea62e780a8ce", kill_on_drop: false }` [INFO] [stderr] Compiling reduce_unsafe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stdout] --> src/lib.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | #[cfg_attr(reduce_unsafe, should_panic)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stdout] --> src/lib.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | #[cfg_attr(reduce_unsafe, should_panic)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stdout] --> src/lib.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg(not(reduce_unsafe))] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | let s = unchecked!( [INFO] [stdout] | _____________- [INFO] [stdout] 85 | | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stdout] 86 | | core::str::from_utf8(b).expect("BUG: unsound unsafe code detected") [INFO] [stdout] 87 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stdout] --> src/lib.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | #[cfg(reduce_unsafe)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | let s = unchecked!( [INFO] [stdout] | _____________- [INFO] [stdout] 85 | | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stdout] 86 | | core::str::from_utf8(b).expect("BUG: unsound unsafe code detected") [INFO] [stdout] 87 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::str::from_utf8_unchecked` with an invalid literal are undefined behavior [INFO] [stdout] --> src/lib.rs:85:18 [INFO] [stdout] | [INFO] [stdout] 83 | let b = b"hello world\xff"; [INFO] [stdout] | ------------------ the literal was valid UTF-8 up to the 11 bytes [INFO] [stdout] 84 | let s = unchecked!( [INFO] [stdout] 85 | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_from_utf8_unchecked)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__reduce_unsafe_internal` which comes from the expansion of the macro `unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::str::from_utf8_unchecked` with an invalid literal are undefined behavior [INFO] [stdout] --> src/lib.rs:96:18 [INFO] [stdout] | [INFO] [stdout] 94 | let b = b"hello world\xff"; [INFO] [stdout] | ------------------ the literal was valid UTF-8 up to the 11 bytes [INFO] [stdout] 95 | let _ = checked!( [INFO] [stdout] 96 | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__reduce_unsafe_internal` which comes from the expansion of the macro `checked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::str::from_utf8` with an invalid literal always return an error [INFO] [stdout] --> src/lib.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 94 | let b = b"hello world\xff"; [INFO] [stdout] | ------------------ the literal was valid UTF-8 up to the 11 bytes [INFO] [stdout] ... [INFO] [stdout] 97 | core::str::from_utf8(b).expect("BUG: unsound unsafe code detected") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_from_utf8)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__reduce_unsafe_internal` which comes from the expansion of the macro `checked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "54676fcfd483c0b1185665ea7eb1f7f2759a0a1603131ef89134ea62e780a8ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54676fcfd483c0b1185665ea7eb1f7f2759a0a1603131ef89134ea62e780a8ce", kill_on_drop: false }` [INFO] [stdout] 54676fcfd483c0b1185665ea7eb1f7f2759a0a1603131ef89134ea62e780a8ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 517d91e3f90c64326204e90d39310a2d21d18c992f9a250714f7389ffe799f13 [INFO] running `Command { std: "docker" "start" "-a" "517d91e3f90c64326204e90d39310a2d21d18c992f9a250714f7389ffe799f13", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stderr] --> src/lib.rs:81:12 [INFO] [stderr] | [INFO] [stderr] 81 | #[cfg_attr(reduce_unsafe, should_panic)] [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `reduce_unsafe` (lib) generated 1 warning [INFO] [stderr] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stderr] --> src/lib.rs:46:19 [INFO] [stderr] | [INFO] [stderr] 46 | #[cfg(not(reduce_unsafe))] [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 84 | let s = unchecked!( [INFO] [stderr] | _____________- [INFO] [stderr] 85 | | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stderr] 86 | | core::str::from_utf8(b).expect("BUG: unsound unsafe code detected") [INFO] [stderr] 87 | | ); [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: this warning originates in the macro `unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `reduce_unsafe` [INFO] [stderr] --> src/lib.rs:50:15 [INFO] [stderr] | [INFO] [stderr] 50 | #[cfg(reduce_unsafe)] [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 84 | let s = unchecked!( [INFO] [stderr] | _____________- [INFO] [stderr] 85 | | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stderr] 86 | | core::str::from_utf8(b).expect("BUG: unsound unsafe code detected") [INFO] [stderr] 87 | | ); [INFO] [stderr] | |_____- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(reduce_unsafe)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(reduce_unsafe)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: this warning originates in the macro `unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: calls to `std::str::from_utf8_unchecked` with an invalid literal are undefined behavior [INFO] [stderr] --> src/lib.rs:85:18 [INFO] [stderr] | [INFO] [stderr] 83 | let b = b"hello world\xff"; [INFO] [stderr] | ------------------ the literal was valid UTF-8 up to the 11 bytes [INFO] [stderr] 84 | let s = unchecked!( [INFO] [stderr] 85 | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_from_utf8_unchecked)]` on by default [INFO] [stderr] = note: this warning originates in the macro `__reduce_unsafe_internal` which comes from the expansion of the macro `unchecked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: calls to `std::str::from_utf8_unchecked` with an invalid literal are undefined behavior [INFO] [stderr] --> src/lib.rs:96:18 [INFO] [stderr] | [INFO] [stderr] 94 | let b = b"hello world\xff"; [INFO] [stderr] | ------------------ the literal was valid UTF-8 up to the 11 bytes [INFO] [stderr] 95 | let _ = checked!( [INFO] [stderr] 96 | unsafe { core::str::from_utf8_unchecked(b) }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `__reduce_unsafe_internal` which comes from the expansion of the macro `checked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: calls to `std::str::from_utf8` with an invalid literal always return an error [INFO] [stderr] --> src/lib.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 94 | let b = b"hello world\xff"; [INFO] [stderr] | ------------------ the literal was valid UTF-8 up to the 11 bytes [INFO] [stderr] ... [INFO] [stderr] 97 | core::str::from_utf8(b).expect("BUG: unsound unsafe code detected") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_from_utf8)]` on by default [INFO] [stderr] = note: this warning originates in the macro `__reduce_unsafe_internal` which comes from the expansion of the macro `checked` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `reduce_unsafe` (lib test) generated 6 warnings (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/reduce_unsafe-d12944b24e6bfe63) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test unchecked ... ok [INFO] [stdout] test checked - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests reduce_unsafe [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 34) ... ok [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] test src/lib.rs - (line 13) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "517d91e3f90c64326204e90d39310a2d21d18c992f9a250714f7389ffe799f13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "517d91e3f90c64326204e90d39310a2d21d18c992f9a250714f7389ffe799f13", kill_on_drop: false }` [INFO] [stdout] 517d91e3f90c64326204e90d39310a2d21d18c992f9a250714f7389ffe799f13