[INFO] fetching crate zerogc-simple 0.2.0-alpha.5... [INFO] checking zerogc-simple-0.2.0-alpha.5 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate zerogc-simple 0.2.0-alpha.5 into /workspace/builds/worker-47/source [INFO] validating manifest of crates.io crate zerogc-simple 0.2.0-alpha.5 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zerogc-simple 0.2.0-alpha.5 [INFO] finished tweaking crates.io crate zerogc-simple 0.2.0-alpha.5 [INFO] tweaked toml for crates.io crate zerogc-simple 0.2.0-alpha.5 written to /workspace/builds/worker-47/source/Cargo.toml [INFO] crate crates.io crate zerogc-simple 0.2.0-alpha.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-kwargs-derive v0.1.5 [INFO] [stderr] Downloaded proc-macro-kwargs v0.1.5 [INFO] [stderr] Downloaded zerogc v0.2.0-alpha.5 [INFO] [stderr] Downloaded zerogc-derive v0.2.0-alpha.5 [INFO] [stderr] Downloaded zerogc-context v0.2.0-alpha.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8c0c475220e4afb8a601920035f60065698a886e9753653826a4376535c1b99 [INFO] running `Command { std: "docker" "start" "-a" "d8c0c475220e4afb8a601920035f60065698a886e9753653826a4376535c1b99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8c0c475220e4afb8a601920035f60065698a886e9753653826a4376535c1b99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8c0c475220e4afb8a601920035f60065698a886e9753653826a4376535c1b99", kill_on_drop: false }` [INFO] [stdout] d8c0c475220e4afb8a601920035f60065698a886e9753653826a4376535c1b99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c96433d5ef6fcdc566a35a13117c5c83038583021d1b67a5e15eb08fad5f4b43 [INFO] running `Command { std: "docker" "start" "-a" "c96433d5ef6fcdc566a35a13117c5c83038583021d1b67a5e15eb08fad5f4b43", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Compiling proc-macro-kwargs-derive v0.1.5 [INFO] [stderr] Compiling proc-macro-kwargs v0.1.5 [INFO] [stderr] Compiling zerogc-derive v0.2.0-alpha.5 [INFO] [stderr] Checking zerogc v0.2.0-alpha.5 [INFO] [stderr] Checking zerogc-context v0.2.0-alpha.5 [INFO] [stderr] Checking zerogc-simple v0.2.0-alpha.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: dereferencing raw mutable pointers in constant functions is unstable [INFO] [stdout] --> src/layout.rs:94:44 [INFO] [stdout] | [INFO] [stdout] 94 | let align = std::mem::align_of_val(&*ptr); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57349 for more information [INFO] [stdout] = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: dereferencing raw mutable pointers in constant functions is unstable [INFO] [stdout] --> src/layout.rs:94:44 [INFO] [stdout] | [INFO] [stdout] 94 | let align = std::mem::align_of_val(&*ptr); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57349 for more information [INFO] [stdout] = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zerogc-simple` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c96433d5ef6fcdc566a35a13117c5c83038583021d1b67a5e15eb08fad5f4b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96433d5ef6fcdc566a35a13117c5c83038583021d1b67a5e15eb08fad5f4b43", kill_on_drop: false }` [INFO] [stdout] c96433d5ef6fcdc566a35a13117c5c83038583021d1b67a5e15eb08fad5f4b43