[INFO] fetching crate fasteval 0.2.4... [INFO] testing fasteval-0.2.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate fasteval 0.2.4 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate fasteval 0.2.4 [INFO] finished tweaking crates.io crate fasteval 0.2.4 [INFO] tweaked toml for crates.io crate fasteval 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fasteval 0.2.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fasteval 0.2.4 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9de2becd43ee3768af528d0ce2a2d16674aec228702591052d366c0bbb5e3be4 [INFO] running `Command { std: "docker" "start" "-a" "9de2becd43ee3768af528d0ce2a2d16674aec228702591052d366c0bbb5e3be4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9de2becd43ee3768af528d0ce2a2d16674aec228702591052d366c0bbb5e3be4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9de2becd43ee3768af528d0ce2a2d16674aec228702591052d366c0bbb5e3be4", kill_on_drop: false }` [INFO] [stdout] 9de2becd43ee3768af528d0ce2a2d16674aec228702591052d366c0bbb5e3be4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9b48eb0c18db90c4e0f2e1fa2d8433505bd0a0a65a8b0d7a308f5459bdee7cd [INFO] running `Command { std: "docker" "start" "-a" "f9b48eb0c18db90c4e0f2e1fa2d8433505bd0a0a65a8b0d7a308f5459bdee7cd", kill_on_drop: false }` [INFO] [stderr] Compiling fasteval v0.2.4 (/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/evaler.rs:421:67 [INFO] [stdout] | [INFO] [stdout] 421 | EVar(name) => eval_var!(ns, name, Vec::new(), unsafe{ &mut *(&slab.ps.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:427:51 [INFO] [stdout] | [INFO] [stdout] 427 | eval_var!(ns, name, args, unsafe{ &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:587:67 [INFO] [stdout] | [INFO] [stdout] 587 | IVar(name) => eval_var!(ns, name, Vec::new(), unsafe{ &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:593:51 [INFO] [stdout] | [INFO] [stdout] 593 | eval_var!(ns, name, args, unsafe{ &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 `fasteval` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "f9b48eb0c18db90c4e0f2e1fa2d8433505bd0a0a65a8b0d7a308f5459bdee7cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9b48eb0c18db90c4e0f2e1fa2d8433505bd0a0a65a8b0d7a308f5459bdee7cd", kill_on_drop: false }` [INFO] [stdout] f9b48eb0c18db90c4e0f2e1fa2d8433505bd0a0a65a8b0d7a308f5459bdee7cd