[INFO] fetching crate fasteval2 2.1.1... [INFO] testing fasteval2-2.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate fasteval2 2.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate fasteval2 2.1.1 [INFO] finished tweaking crates.io crate fasteval2 2.1.1 [INFO] tweaked toml for crates.io crate fasteval2 2.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fasteval2 2.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fasteval2 2.1.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d115bf6fe9921a9364d86ff5da8eccbb0d4385de84e0dca5badc5f62a182f0d [INFO] running `Command { std: "docker" "start" "-a" "3d115bf6fe9921a9364d86ff5da8eccbb0d4385de84e0dca5badc5f62a182f0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d115bf6fe9921a9364d86ff5da8eccbb0d4385de84e0dca5badc5f62a182f0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d115bf6fe9921a9364d86ff5da8eccbb0d4385de84e0dca5badc5f62a182f0d", kill_on_drop: false }` [INFO] [stdout] 3d115bf6fe9921a9364d86ff5da8eccbb0d4385de84e0dca5badc5f62a182f0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9ba604a0ecab13145806389fa195aea081cb1b9d77b83207415656f5eb71e64 [INFO] running `Command { std: "docker" "start" "-a" "f9ba604a0ecab13145806389fa195aea081cb1b9d77b83207415656f5eb71e64", kill_on_drop: false }` [INFO] [stderr] Compiling fasteval2 v2.1.1 (/opt/rustwide/workdir) [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/compiler.rs:832:25 [INFO] [stdout] | [INFO] [stdout] 832 | &mut *(&pslab.char_buf as *const _ as *mut _) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [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/evaler.rs:458:17 [INFO] [stdout] | [INFO] [stdout] 458 | &mut *(&slab.ps.char_buf as *const _ as *mut _) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] [INFO] [stdout] [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/evaler.rs:466:21 [INFO] [stdout] | [INFO] [stdout] 466 | &mut *(&slab.ps.char_buf as *const _ as *mut _) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] [INFO] [stdout] [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/evaler.rs:686:17 [INFO] [stdout] | [INFO] [stdout] 686 | &mut *(&slab.ps.char_buf as *const _ as *mut _) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] [INFO] [stdout] [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/evaler.rs:694:21 [INFO] [stdout] | [INFO] [stdout] 694 | &mut *(&slab.ps.char_buf as *const _ as *mut _) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fasteval2` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "f9ba604a0ecab13145806389fa195aea081cb1b9d77b83207415656f5eb71e64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ba604a0ecab13145806389fa195aea081cb1b9d77b83207415656f5eb71e64", kill_on_drop: false }` [INFO] [stdout] f9ba604a0ecab13145806389fa195aea081cb1b9d77b83207415656f5eb71e64