[INFO] fetching crate mcs 0.1.1... [INFO] testing mcs-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate mcs 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate mcs 0.1.1 [INFO] finished tweaking crates.io crate mcs 0.1.1 [INFO] tweaked toml for crates.io crate mcs 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mcs 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Adding lazy_static v0.2.11 (available: v1.5.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d51b513b4a8abe197037bef80209fb4b306cf7a5669bedf3f20e9c6288d5947 [INFO] running `Command { std: "docker" "start" "-a" "2d51b513b4a8abe197037bef80209fb4b306cf7a5669bedf3f20e9c6288d5947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d51b513b4a8abe197037bef80209fb4b306cf7a5669bedf3f20e9c6288d5947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d51b513b4a8abe197037bef80209fb4b306cf7a5669bedf3f20e9c6288d5947", kill_on_drop: false }` [INFO] [stdout] 2d51b513b4a8abe197037bef80209fb4b306cf7a5669bedf3f20e9c6288d5947 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa27cf4dd6546239d56730d8ea94251305cfb05b6bc1787074b4b6d71a67c529 [INFO] running `Command { std: "docker" "start" "-a" "aa27cf4dd6546239d56730d8ea94251305cfb05b6bc1787074b4b6d71a67c529", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling mcs v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find macro `asm` in this scope [INFO] [stdout] --> src/pause.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | unsafe { asm!("pause" :::: "volatile"); } [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this macro [INFO] [stdout] | [INFO] [stdout] 1 + use core::arch::asm; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_param_attrs` has been stable since 1.27.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:58 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:43 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "unstable", feature(asm, const_fn, generic_param_attrs, dropck_eyepatch))] [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `core::sync::atomic::AtomicPtr::::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/mutex.rs:134:23 [INFO] [stdout] | [INFO] [stdout] 134 | if self.queue.compare_and_swap(ptr::null_mut(), slot, Ordering::AcqRel).is_null() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/mutex.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mcs` (lib) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "aa27cf4dd6546239d56730d8ea94251305cfb05b6bc1787074b4b6d71a67c529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa27cf4dd6546239d56730d8ea94251305cfb05b6bc1787074b4b6d71a67c529", kill_on_drop: false }` [INFO] [stdout] aa27cf4dd6546239d56730d8ea94251305cfb05b6bc1787074b4b6d71a67c529