[INFO] fetching crate rkdb 0.4.0... [INFO] testing rkdb-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate rkdb 0.4.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate rkdb 0.4.0 [INFO] finished tweaking crates.io crate rkdb 0.4.0 [INFO] tweaked toml for crates.io crate rkdb 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rkdb 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.11.0) [INFO] [stderr] Adding nix v0.11.1 (available: v0.31.2) [INFO] [stderr] Adding num v0.2.1 (available: v0.4.3) [INFO] [stderr] Adding syn v0.14.9 (available: v2.0.117) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded syn v0.14.9 [INFO] [stderr] Downloaded nix v0.11.1 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28759daacbac8c7a57327daa44f88808a4ea64610326da1e4c18cd4893744b17 [INFO] running `Command { std: "docker" "start" "-a" "28759daacbac8c7a57327daa44f88808a4ea64610326da1e4c18cd4893744b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28759daacbac8c7a57327daa44f88808a4ea64610326da1e4c18cd4893744b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28759daacbac8c7a57327daa44f88808a4ea64610326da1e4c18cd4893744b17", kill_on_drop: false }` [INFO] [stdout] 28759daacbac8c7a57327daa44f88808a4ea64610326da1e4c18cd4893744b17 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dfc1143c825d8a5707078345d9944323533898dc3c467e1c1c669209eeee3c8b [INFO] running `Command { std: "docker" "start" "-a" "dfc1143c825d8a5707078345d9944323533898dc3c467e1c1c669209eeee3c8b", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling rkdb v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(lang_items, box_patterns)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `types::*` [INFO] [stdout] --> src/kapi.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use types::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around function argument [INFO] [stdout] --> src/kbindings.rs:256:20 [INFO] [stdout] | [INFO] [stdout] 256 | unsafe { &*kb( { if b { 1 } else { 0 } } ) } [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 256 - unsafe { &*kb( { if b { 1 } else { 0 } } ) } [INFO] [stdout] 256 + unsafe { &*kb( if b { 1 } else { 0 } ) } [INFO] [stdout] | [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/kbindings.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | &mut *(u as *mut T) [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] [stderr] error: could not compile `rkdb` (lib) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dfc1143c825d8a5707078345d9944323533898dc3c467e1c1c669209eeee3c8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfc1143c825d8a5707078345d9944323533898dc3c467e1c1c669209eeee3c8b", kill_on_drop: false }` [INFO] [stdout] dfc1143c825d8a5707078345d9944323533898dc3c467e1c1c669209eeee3c8b