[INFO] fetching crate mako 0.3.0...
[INFO] checking mako-0.3.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate mako 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mako 0.3.0 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 mako 0.3.0
[INFO] finished tweaking crates.io crate mako 0.3.0
[INFO] tweaked toml for crates.io crate mako 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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 smallvec v0.3.4
[INFO] [stderr]   Downloaded lentrait v0.2.3
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[INFO] [stderr]   Downloaded thread-control v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0224384cad56682684ff46232075a458be2c7389c1f7b177a8de713356b65a55
[INFO] running `Command { std: "docker" "start" "-a" "0224384cad56682684ff46232075a458be2c7389c1f7b177a8de713356b65a55", kill_on_drop: false }`
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[INFO] [stdout] 0224384cad56682684ff46232075a458be2c7389c1f7b177a8de713356b65a55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ea26e906616e287d890cc7f8b11f30dd481a80790ff606569cf66cbb5291f010
[INFO] running `Command { std: "docker" "start" "-a" "ea26e906616e287d890cc7f8b11f30dd481a80790ff606569cf66cbb5291f010", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling rayon-core v1.12.1
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[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/tokenization/hf_tokenizers/models/bpe/trainer.rs:517:47
[INFO] [stdout]     |
[INFO] [stdout] 513 |                     let w = &words[*i] as *const _ as *mut _;
[INFO] [stdout]     |                             -------------------------------- casting happend here
[INFO] [stdout] ...
[INFO] [stdout] 517 |                         let word: &mut Word = &mut (*w);
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mako` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/tokenization/hf_tokenizers/models/bpe/trainer.rs:517:47
[INFO] [stdout]     |
[INFO] [stdout] 513 |                     let w = &words[*i] as *const _ as *mut _;
[INFO] [stdout]     |                             -------------------------------- casting happend here
[INFO] [stdout] ...
[INFO] [stdout] 517 |                         let word: &mut Word = &mut (*w);
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mako` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ea26e906616e287d890cc7f8b11f30dd481a80790ff606569cf66cbb5291f010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea26e906616e287d890cc7f8b11f30dd481a80790ff606569cf66cbb5291f010", kill_on_drop: false }`
[INFO] [stdout] ea26e906616e287d890cc7f8b11f30dd481a80790ff606569cf66cbb5291f010
