[INFO] fetching crate slabmalloc 0.11.0... [INFO] checking slabmalloc-0.11.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate slabmalloc 0.11.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate slabmalloc 0.11.0 [INFO] finished tweaking crates.io crate slabmalloc 0.11.0 [INFO] tweaked toml for crates.io crate slabmalloc 0.11.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate slabmalloc 0.11.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate slabmalloc 0.11.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded spin v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eabc316742d43e09f9683a6219b973f6d0bf603297123d2286214cee62b203ce [INFO] running `Command { std: "docker" "start" "-a" "eabc316742d43e09f9683a6219b973f6d0bf603297123d2286214cee62b203ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eabc316742d43e09f9683a6219b973f6d0bf603297123d2286214cee62b203ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eabc316742d43e09f9683a6219b973f6d0bf603297123d2286214cee62b203ce", kill_on_drop: false }` [INFO] [stdout] eabc316742d43e09f9683a6219b973f6d0bf603297123d2286214cee62b203ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5932cf78f21f3e5232673f783481b2a68a1de86ed993ce17048acf01c415f614 [INFO] running `Command { std: "docker" "start" "-a" "5932cf78f21f3e5232673f783481b2a68a1de86ed993ce17048acf01c415f614", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking spin v0.9.0 [INFO] [stderr] Checking slabmalloc v0.11.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:21:43 [INFO] [stdout] | [INFO] [stdout] 21 | #![cfg_attr(feature = "unstable", feature(const_mut_refs))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> examples/global_alloc.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | PAGER.allocate_page().expect("Can't allocate page?") as *mut _ as *mut u8 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> examples/global_alloc.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | PAGER.allocate_large_page().expect("Can't allocate page?") as *mut _ as *mut u8 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> examples/global_alloc.rs:110:29 [INFO] [stdout] | [INFO] [stdout] 110 | ... PAGER.allocate_page().map_or(ptr::null_mut(), |page| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> examples/global_alloc.rs:121:29 [INFO] [stdout] | [INFO] [stdout] 121 | / ... PAGER [INFO] [stdout] 122 | | ... .allocate_large_page() [INFO] [stdout] | |________________________________________________^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `prelude_import` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | #![cfg_attr(test, feature(prelude_import, test, c_void_variant, core_intrinsics))] [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: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:22:65 [INFO] [stdout] | [INFO] [stdout] 22 | #![cfg_attr(test, feature(prelude_import, test, c_void_variant, core_intrinsics))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:21:43 [INFO] [stdout] | [INFO] [stdout] 21 | #![cfg_attr(feature = "unstable", feature(const_mut_refs))] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s [INFO] running `Command { std: "docker" "inspect" "5932cf78f21f3e5232673f783481b2a68a1de86ed993ce17048acf01c415f614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5932cf78f21f3e5232673f783481b2a68a1de86ed993ce17048acf01c415f614", kill_on_drop: false }` [INFO] [stdout] 5932cf78f21f3e5232673f783481b2a68a1de86ed993ce17048acf01c415f614