[INFO] fetching crate atomic_cell 0.1.0... [INFO] checking atomic_cell-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate atomic_cell 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate atomic_cell 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate atomic_cell 0.1.0 [INFO] finished tweaking crates.io crate atomic_cell 0.1.0 [INFO] tweaked toml for crates.io crate atomic_cell 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded telemetry v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2cf94789043760237308224ca654d9e6c0ac2b3f4ae823de6874f2dc9d6f76b2 [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" "2cf94789043760237308224ca654d9e6c0ac2b3f4ae823de6874f2dc9d6f76b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2cf94789043760237308224ca654d9e6c0ac2b3f4ae823de6874f2dc9d6f76b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cf94789043760237308224ca654d9e6c0ac2b3f4ae823de6874f2dc9d6f76b2", kill_on_drop: false }` [INFO] [stdout] 2cf94789043760237308224ca654d9e6c0ac2b3f4ae823de6874f2dc9d6f76b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5f42b4c9c14af608a0bdf8934b2042156ed0f8d8c0e8503ac41f991e7b62cf4 [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" "a5f42b4c9c14af608a0bdf8934b2042156ed0f8d8c0e8503ac41f991e7b62cf4", kill_on_drop: false }` [INFO] [stderr] Checking atomic_cell v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking telemetry v0.1.3 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:171:15 [INFO] [stdout] | [INFO] [stdout] 171 | item: &'a CleanMeUp [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn CleanMeUp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:179:26 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn new(item: &'a CleanMeUp) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn CleanMeUp` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:105:44 [INFO] [stdout] | [INFO] [stdout] 105 | let initialized = self.initialized.compare_and_swap(/* must be */false, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:416:36 [INFO] [stdout] | [INFO] [stdout] 416 | let owning = self.lock.compare_and_swap(/*must be available*/true, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:436:36 [INFO] [stdout] | [INFO] [stdout] 436 | let owning = self.lock.compare_and_swap(/*must be available*/true, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> src/lib.rs:80:6 [INFO] [stdout] | [INFO] [stdout] 80 | impl StaticCell where T: Clone { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable [INFO] [stdout] --> src/lib.rs:293:6 [INFO] [stdout] | [INFO] [stdout] 293 | impl InternalAtomicCell where T: Clone { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #57563 for more information [INFO] [stdout] = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:394:43 [INFO] [stdout] | [INFO] [stdout] 394 | let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `atomic_cell` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a5f42b4c9c14af608a0bdf8934b2042156ed0f8d8c0e8503ac41f991e7b62cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5f42b4c9c14af608a0bdf8934b2042156ed0f8d8c0e8503ac41f991e7b62cf4", kill_on_drop: false }` [INFO] [stdout] a5f42b4c9c14af608a0bdf8934b2042156ed0f8d8c0e8503ac41f991e7b62cf4