[INFO] cloning repository https://github.com/patrickfp93/armc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickfp93/armc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickfp93%2Farmc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickfp93%2Farmc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70a9467693574c3af92fbbccb081a23fab9075c8 [INFO] building patrickfp93/armc against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickfp93%2Farmc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/patrickfp93/armc [INFO] finished tweaking git repo https://github.com/patrickfp93/armc [INFO] tweaked toml for git repo https://github.com/patrickfp93/armc written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/patrickfp93/armc on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/patrickfp93/armc 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded paste v1.0.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b6545fb1b8621f66c1413aab3bd7d624146fd07ed1f9d8bf806b745ba74501c [INFO] running `Command { std: "docker" "start" "-a" "3b6545fb1b8621f66c1413aab3bd7d624146fd07ed1f9d8bf806b745ba74501c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b6545fb1b8621f66c1413aab3bd7d624146fd07ed1f9d8bf806b745ba74501c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b6545fb1b8621f66c1413aab3bd7d624146fd07ed1f9d8bf806b745ba74501c", kill_on_drop: false }` [INFO] [stdout] 3b6545fb1b8621f66c1413aab3bd7d624146fd07ed1f9d8bf806b745ba74501c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a34882de624a10f6a749e96aa19300004fc8296a159b2d600c36709b0c48c4eb [INFO] running `Command { std: "docker" "start" "-a" "a34882de624a10f6a749e96aa19300004fc8296a159b2d600c36709b0c48c4eb", kill_on_drop: false }` [INFO] [stderr] Compiling paste v1.0.12 [INFO] [stderr] Compiling armc v1.4.5 (/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/core/mod.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | &mut *(( self as *const Self) as *mut Self) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `armc` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "a34882de624a10f6a749e96aa19300004fc8296a159b2d600c36709b0c48c4eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a34882de624a10f6a749e96aa19300004fc8296a159b2d600c36709b0c48c4eb", kill_on_drop: false }` [INFO] [stdout] a34882de624a10f6a749e96aa19300004fc8296a159b2d600c36709b0c48c4eb