[INFO] fetching crate fasteval 0.2.4... [INFO] checking fasteval-0.2.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate fasteval 0.2.4 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fasteval 0.2.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a227d59567a4e759c00b184f6c7c22acbc21a10487ab65bbb1c9ca00f90923c [INFO] running `Command { std: "docker" "start" "-a" "1a227d59567a4e759c00b184f6c7c22acbc21a10487ab65bbb1c9ca00f90923c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a227d59567a4e759c00b184f6c7c22acbc21a10487ab65bbb1c9ca00f90923c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a227d59567a4e759c00b184f6c7c22acbc21a10487ab65bbb1c9ca00f90923c", kill_on_drop: false }` [INFO] [stdout] 1a227d59567a4e759c00b184f6c7c22acbc21a10487ab65bbb1c9ca00f90923c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a8d5a7c834c973fec8246f84a2c7d44f2f18c99225fa7266dcba8b264aa18a9 [INFO] running `Command { std: "docker" "start" "-a" "9a8d5a7c834c973fec8246f84a2c7d44f2f18c99225fa7266dcba8b264aa18a9", kill_on_drop: false }` [INFO] [stderr] Checking 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] [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/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 test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "9a8d5a7c834c973fec8246f84a2c7d44f2f18c99225fa7266dcba8b264aa18a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a8d5a7c834c973fec8246f84a2c7d44f2f18c99225fa7266dcba8b264aa18a9", kill_on_drop: false }` [INFO] [stdout] 9a8d5a7c834c973fec8246f84a2c7d44f2f18c99225fa7266dcba8b264aa18a9