[INFO] fetching crate rowan 0.15.13... [INFO] checking rowan-0.15.13 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2 [INFO] extracting crate rowan 0.15.13 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate rowan 0.15.13 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rowan 0.15.13 [INFO] finished tweaking crates.io crate rowan 0.15.13 [INFO] tweaked toml for crates.io crate rowan 0.15.13 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate rowan 0.15.13 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v2.0.37 [INFO] [stderr] Downloaded countme v3.0.1 [INFO] [stderr] Downloaded aho-corasick v1.1.1 [INFO] [stderr] Downloaded memoffset v0.9.0 [INFO] [stderr] Downloaded text-size v1.1.1 [INFO] [stderr] Downloaded m_lexer v0.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb9a9f7ee34229685bdf21103eb9237ab3481bcc2e5c53a392e6b072bf01a4bd [INFO] running `Command { std: "docker" "start" "-a" "cb9a9f7ee34229685bdf21103eb9237ab3481bcc2e5c53a392e6b072bf01a4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb9a9f7ee34229685bdf21103eb9237ab3481bcc2e5c53a392e6b072bf01a4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb9a9f7ee34229685bdf21103eb9237ab3481bcc2e5c53a392e6b072bf01a4bd", kill_on_drop: false }` [INFO] [stdout] cb9a9f7ee34229685bdf21103eb9237ab3481bcc2e5c53a392e6b072bf01a4bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5eb2ae0d6a3d3eede2d09d999a6994d969b958fbe07ad83272129323d2ac1fb5 [INFO] running `Command { std: "docker" "start" "-a" "5eb2ae0d6a3d3eede2d09d999a6994d969b958fbe07ad83272129323d2ac1fb5", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking text-size v1.1.1 [INFO] [stderr] Checking countme v3.0.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking rowan v0.15.13 (/opt/rustwide/workdir) [INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused [INFO] [stdout] --> src/green/node.rs:199:35 [INFO] [stdout] | [INFO] [stdout] 198 | let repr: &Repr = &self.ptr; [INFO] [stdout] | -------- backing allocation comes from here [INFO] [stdout] 199 | let repr: &ReprThin = &*(repr as *const Repr as *const ReprThin); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: casting from `ThinArc` (8 bytes) to `HeaderSlice` (16 bytes) [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused [INFO] [stdout] --> src/green/token.rs:141:35 [INFO] [stdout] | [INFO] [stdout] 140 | let repr: &Repr = &self.ptr; [INFO] [stdout] | -------- backing allocation comes from here [INFO] [stdout] 141 | let repr: &ReprThin = &*(repr as *const Repr as *const ReprThin); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: casting from `ThinArc` (8 bytes) to `HeaderSlice` (16 bytes) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/arc.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | this.ptr() == other.ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 86 | std::ptr::addr_eq(this.ptr(), other.ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 86 | std::ptr::eq(this.ptr(), other.ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rowan` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5eb2ae0d6a3d3eede2d09d999a6994d969b958fbe07ad83272129323d2ac1fb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eb2ae0d6a3d3eede2d09d999a6994d969b958fbe07ad83272129323d2ac1fb5", kill_on_drop: false }` [INFO] [stdout] 5eb2ae0d6a3d3eede2d09d999a6994d969b958fbe07ad83272129323d2ac1fb5