[INFO] fetching crate sandbox-ipc 0.4.0...
[INFO] testing sandbox-ipc-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sandbox-ipc 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sandbox-ipc 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sandbox-ipc 0.4.0
[INFO] tweaked toml for crates.io crate sandbox-ipc 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sandbox-ipc 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v0.9.2 (available: v3.0.0)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.2.0)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.1)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.52.1)
[INFO] [stderr]       Adding uuid v0.5.1 (available: v1.23.1)
[INFO] [stderr]       Adding widestring v0.2.2 (available: v1.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3a19df1c7754b275f9caab41cf5fbd010c84fb0c2e298a9bf402f9236bcf263
[INFO] running `Command { std: "docker" "start" "-a" "d3a19df1c7754b275f9caab41cf5fbd010c84fb0c2e298a9bf402f9236bcf263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a19df1c7754b275f9caab41cf5fbd010c84fb0c2e298a9bf402f9236bcf263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a19df1c7754b275f9caab41cf5fbd010c84fb0c2e298a9bf402f9236bcf263", kill_on_drop: false }`
[INFO] [stdout] d3a19df1c7754b275f9caab41cf5fbd010c84fb0c2e298a9bf402f9236bcf263
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa5d32c0726f101b0f25264ccd079f93f1dc6c6523607c3ff4d4d45704b9465
[INFO] running `Command { std: "docker" "start" "-a" "dfa5d32c0726f101b0f25264ccd079f93f1dc6c6523607c3ff4d4d45704b9465", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling sandbox-ipc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0539]: malformed `link` attribute input
[INFO] [stdout]    --> src/unix/sharedmem.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | #[link = "c"]
[INFO] [stdout]     | ^^^^^^^-----^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        expected this to be a list
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/unix/sharedmem.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | / lazy_static! {
[INFO] [stdout] 183 | |     static ref PAGE_SIZE: usize = unsafe {
[INFO] [stdout] 184 | |         getpagesize() as usize
[INFO] [stdout] 185 | |     };
[INFO] [stdout] 186 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0539`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sandbox-ipc` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "dfa5d32c0726f101b0f25264ccd079f93f1dc6c6523607c3ff4d4d45704b9465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa5d32c0726f101b0f25264ccd079f93f1dc6c6523607c3ff4d4d45704b9465", kill_on_drop: false }`
[INFO] [stdout] dfa5d32c0726f101b0f25264ccd079f93f1dc6c6523607c3ff4d4d45704b9465
