[INFO] fetching crate knightrs 0.8.12...
[INFO] checking knightrs-0.8.12 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate knightrs 0.8.12 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate knightrs 0.8.12 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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-1-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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded libc v0.2.91
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7033e4ec4d159f0eab8be9c7c1b3140ac22b90c2a613a6df5dae141fe4f9b7fc
[INFO] running `Command { std: "docker" "start" "-a" "7033e4ec4d159f0eab8be9c7c1b3140ac22b90c2a613a6df5dae141fe4f9b7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7033e4ec4d159f0eab8be9c7c1b3140ac22b90c2a613a6df5dae141fe4f9b7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7033e4ec4d159f0eab8be9c7c1b3140ac22b90c2a613a6df5dae141fe4f9b7fc", kill_on_drop: false }`
[INFO] [stdout] 7033e4ec4d159f0eab8be9c7c1b3140ac22b90c2a613a6df5dae141fe4f9b7fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc0fcf3d75d6a13011d8d7407c166ecc8834505395184d27f85cf4bae079a68
[INFO] running `Command { std: "docker" "start" "-a" "6fc0fcf3d75d6a13011d8d7407c166ecc8834505395184d27f85cf4bae079a68", 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: shared reference of 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 of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]    = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]    = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout]    = note: `#[warn(static_mut_ref)]` on by default
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]    = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]    = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout]    = note: `#[warn(static_mut_ref)]` on by default
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: shared reference of 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 of mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: reference of mutable static is a hard error from 2024 edition
[INFO] [stdout]     = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "6fc0fcf3d75d6a13011d8d7407c166ecc8834505395184d27f85cf4bae079a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc0fcf3d75d6a13011d8d7407c166ecc8834505395184d27f85cf4bae079a68", kill_on_drop: false }`
[INFO] [stdout] 6fc0fcf3d75d6a13011d8d7407c166ecc8834505395184d27f85cf4bae079a68
