[INFO] fetching crate knightrs 0.8.12... [INFO] checking knightrs-0.8.12 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate knightrs 0.8.12 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate knightrs 0.8.12 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate knightrs 0.8.12 [INFO] finished tweaking crates.io crate knightrs 0.8.12 [INFO] tweaked toml for crates.io crate knightrs 0.8.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate knightrs 0.8.12 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35f46b3db25d48e422a9ccce03a85e69a062fbd7a43e816b889a107d1f6ab2f3 [INFO] running `Command { std: "docker" "start" "-a" "35f46b3db25d48e422a9ccce03a85e69a062fbd7a43e816b889a107d1f6ab2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35f46b3db25d48e422a9ccce03a85e69a062fbd7a43e816b889a107d1f6ab2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35f46b3db25d48e422a9ccce03a85e69a062fbd7a43e816b889a107d1f6ab2f3", kill_on_drop: false }` [INFO] [stdout] 35f46b3db25d48e422a9ccce03a85e69a062fbd7a43e816b889a107d1f6ab2f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0610d71ff32a195dc8b417d6aef34658f7a8e1fa5c04049a3b277ff4767bf94f [INFO] running `Command { std: "docker" "start" "-a" "0610d71ff32a195dc8b417d6aef34658f7a8e1fa5c04049a3b277ff4767bf94f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking knightrs v0.8.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `Feature` [INFO] [stdout] --> src/function.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | #[cfg(Feature="variable-lookup")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value (notice the capitalization difference) [INFO] [stdout] | [INFO] [stdout] 151 | #[cfg(feature="variable-lookup")] [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `Feature` [INFO] [stdout] --> src/function.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | #[cfg(Feature="variable-lookup")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value (notice the capitalization difference) [INFO] [stdout] | [INFO] [stdout] 151 | #[cfg(feature="variable-lookup")] [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/text.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { &EMPTY }.get_or_init(|| unsafe { Self::new_unchecked("") }).clone() [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { addr_of!(EMPTY) }.get_or_init(|| unsafe { Self::new_unchecked("") }).clone() [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:108:30 [INFO] [stdout] | [INFO] [stdout] 108 | Value::Null => Ok(unsafe {&NULL}.get_or_init(|| unsafe { Self::new_unchecked("null") }).clone()), [INFO] [stdout] | ^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 108 | Value::Null => Ok(unsafe {addr_of!(NULL)}.get_or_init(|| unsafe { Self::new_unchecked("null") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:109:39 [INFO] [stdout] | [INFO] [stdout] 109 | Value::Boolean(true) => Ok(unsafe {&TRUE}.get_or_init(|| unsafe { Self::new_unchecked("true") }).clone()), [INFO] [stdout] | ^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 109 | Value::Boolean(true) => Ok(unsafe {addr_of!(TRUE)}.get_or_init(|| unsafe { Self::new_unchecked("true") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:110:40 [INFO] [stdout] | [INFO] [stdout] 110 | Value::Boolean(false) => Ok(unsafe {&FALSE}.get_or_init(|| unsafe { Self::new_unchecked("false") }).clone()), [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 110 | Value::Boolean(false) => Ok(unsafe {addr_of!(FALSE)}.get_or_init(|| unsafe { Self::new_unchecked("false") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:111:35 [INFO] [stdout] | [INFO] [stdout] 111 | Value::Number(0) => Ok(unsafe {&ZERO}.get_or_init(|| unsafe { Self::new_unchecked("0") }).clone()), [INFO] [stdout] | ^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 111 | Value::Number(0) => Ok(unsafe {addr_of!(ZERO)}.get_or_init(|| unsafe { Self::new_unchecked("0") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:112:35 [INFO] [stdout] | [INFO] [stdout] 112 | Value::Number(1) => Ok(unsafe {&ONE}.get_or_init(|| unsafe { Self::new_unchecked("1") }).clone()), [INFO] [stdout] | ^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 112 | Value::Number(1) => Ok(unsafe {addr_of!(ONE)}.get_or_init(|| unsafe { Self::new_unchecked("1") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/text.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { &EMPTY }.get_or_init(|| unsafe { Self::new_unchecked("") }).clone() [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { addr_of!(EMPTY) }.get_or_init(|| unsafe { Self::new_unchecked("") }).clone() [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:108:30 [INFO] [stdout] | [INFO] [stdout] 108 | Value::Null => Ok(unsafe {&NULL}.get_or_init(|| unsafe { Self::new_unchecked("null") }).clone()), [INFO] [stdout] | ^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 108 | Value::Null => Ok(unsafe {addr_of!(NULL)}.get_or_init(|| unsafe { Self::new_unchecked("null") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:109:39 [INFO] [stdout] | [INFO] [stdout] 109 | Value::Boolean(true) => Ok(unsafe {&TRUE}.get_or_init(|| unsafe { Self::new_unchecked("true") }).clone()), [INFO] [stdout] | ^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 109 | Value::Boolean(true) => Ok(unsafe {addr_of!(TRUE)}.get_or_init(|| unsafe { Self::new_unchecked("true") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:110:40 [INFO] [stdout] | [INFO] [stdout] 110 | Value::Boolean(false) => Ok(unsafe {&FALSE}.get_or_init(|| unsafe { Self::new_unchecked("false") }).clone()), [INFO] [stdout] | ^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 110 | Value::Boolean(false) => Ok(unsafe {addr_of!(FALSE)}.get_or_init(|| unsafe { Self::new_unchecked("false") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:111:35 [INFO] [stdout] | [INFO] [stdout] 111 | Value::Number(0) => Ok(unsafe {&ZERO}.get_or_init(|| unsafe { Self::new_unchecked("0") }).clone()), [INFO] [stdout] | ^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 111 | Value::Number(0) => Ok(unsafe {addr_of!(ZERO)}.get_or_init(|| unsafe { Self::new_unchecked("0") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/value.rs:112:35 [INFO] [stdout] | [INFO] [stdout] 112 | Value::Number(1) => Ok(unsafe {&ONE}.get_or_init(|| unsafe { Self::new_unchecked("1") }).clone()), [INFO] [stdout] | ^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 112 | Value::Number(1) => Ok(unsafe {addr_of!(ONE)}.get_or_init(|| unsafe { Self::new_unchecked("1") }).clone()), [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.05s [INFO] running `Command { std: "docker" "inspect" "0610d71ff32a195dc8b417d6aef34658f7a8e1fa5c04049a3b277ff4767bf94f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0610d71ff32a195dc8b417d6aef34658f7a8e1fa5c04049a3b277ff4767bf94f", kill_on_drop: false }` [INFO] [stdout] 0610d71ff32a195dc8b417d6aef34658f7a8e1fa5c04049a3b277ff4767bf94f