[INFO] fetching crate alloc-compose 0.4.2... [INFO] testing alloc-compose-0.4.2 against 1.45.2 for beta-1.46-1 [INFO] extracting crate alloc-compose 0.4.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate alloc-compose 0.4.2 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate alloc-compose 0.4.2 [INFO] finished tweaking crates.io crate alloc-compose 0.4.2 [INFO] tweaked toml for crates.io crate alloc-compose 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21d1cbe7ec127035dbf87e78a00f0db226e0d7fea067658924524a7ebc2f6053 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "21d1cbe7ec127035dbf87e78a00f0db226e0d7fea067658924524a7ebc2f6053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21d1cbe7ec127035dbf87e78a00f0db226e0d7fea067658924524a7ebc2f6053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21d1cbe7ec127035dbf87e78a00f0db226e0d7fea067658924524a7ebc2f6053", kill_on_drop: false }` [INFO] [stdout] 21d1cbe7ec127035dbf87e78a00f0db226e0d7fea067658924524a7ebc2f6053 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5e93ba6b60ccd7483a2fb315f6b0d65adb853cddb0a47214ac7ae823d8ec120d [INFO] running `Command { std: "docker" "start" "-a" "5e93ba6b60ccd7483a2fb315f6b0d65adb853cddb0a47214ac7ae823d8ec120d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling alloc-compose v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | / #![feature( [INFO] [stdout] 5 | | allocator_api, [INFO] [stdout] 6 | | alloc_layout_extra, [INFO] [stdout] 7 | | const_checked_int_methods, [INFO] [stdout] ... | [INFO] [stdout] 11 | | const_panic, [INFO] [stdout] 12 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: the `#[track_caller]` attribute is an experimental feature [INFO] [stdout] --> src/proxy.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | #[track_caller] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #47809 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: the `#[track_caller]` attribute is an experimental feature [INFO] [stdout] --> src/proxy.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | #[track_caller] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #47809 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: the `#[track_caller]` attribute is an experimental feature [INFO] [stdout] --> src/proxy.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | #[track_caller] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #47809 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:238:9 [INFO] [stdout] | [INFO] [stdout] 238 | / if prefix_align < request.align() { [INFO] [stdout] 239 | | request.align() [INFO] [stdout] 240 | | } else { [INFO] [stdout] 241 | | prefix_align [INFO] [stdout] 242 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:249:29 [INFO] [stdout] | [INFO] [stdout] 249 | let prefix_offset = if let Some(offset) = prefix_layout [INFO] [stdout] | _____________________________^ [INFO] [stdout] 250 | | .size() [INFO] [stdout] 251 | | .checked_add(prefix_layout.padding_needed_for(request.align())) [INFO] [stdout] 252 | | { [INFO] [stdout] ... | [INFO] [stdout] 255 | | return None; [INFO] [stdout] 256 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:258:20 [INFO] [stdout] | [INFO] [stdout] 258 | let size = if let Some(size) = prefix_offset.checked_add(request.size()) { [INFO] [stdout] | ____________________^ [INFO] [stdout] 259 | | size [INFO] [stdout] 260 | | } else { [INFO] [stdout] 261 | | return None; [INFO] [stdout] 262 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:265:13 [INFO] [stdout] | [INFO] [stdout] 265 | / if let Ok(layout) = Layout::from_size_align(size, Self::align(request)) { [INFO] [stdout] 266 | | layout [INFO] [stdout] 267 | | } else { [INFO] [stdout] 268 | | return None; [INFO] [stdout] 269 | | }; [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | / if let Some(prefix_suffix_offset) = prefix_request_layout.size().checked_add(padding) { [INFO] [stdout] 275 | | ( [INFO] [stdout] 276 | | prefix_suffix_offset.wrapping_sub(prefix_offset), [INFO] [stdout] 277 | | prefix_suffix_offset, [INFO] [stdout] ... | [INFO] [stdout] 280 | | return None; [INFO] [stdout] 281 | | }; [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:283:20 [INFO] [stdout] | [INFO] [stdout] 283 | let size = if let Some(size) = prefix_suffix_offset.checked_add(mem::size_of::()) { [INFO] [stdout] | ____________________^ [INFO] [stdout] 284 | | size [INFO] [stdout] 285 | | } else { [INFO] [stdout] 286 | | return None; [INFO] [stdout] 287 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/affix.rs:291:9 [INFO] [stdout] | [INFO] [stdout] 291 | / if let Ok(layout) = Layout::from_size_align(size, align) { [INFO] [stdout] 292 | | Some((prefix_offset, layout, prefix_suffix_offset)) [INFO] [stdout] 293 | | } else { [INFO] [stdout] 294 | | None [INFO] [stdout] 295 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `if` is not allowed in a `const fn` [INFO] [stdout] --> src/chunk.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | / assert!( [INFO] [stdout] 55 | | usize::is_power_of_two(SIZE), [INFO] [stdout] 56 | | "`SIZE` must be a power of two" [INFO] [stdout] 57 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #49146 for more information [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 12 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `alloc-compose`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "5e93ba6b60ccd7483a2fb315f6b0d65adb853cddb0a47214ac7ae823d8ec120d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e93ba6b60ccd7483a2fb315f6b0d65adb853cddb0a47214ac7ae823d8ec120d", kill_on_drop: false }` [INFO] [stdout] 5e93ba6b60ccd7483a2fb315f6b0d65adb853cddb0a47214ac7ae823d8ec120d