[INFO] fetching crate drumbeat 0.1.1... [INFO] checking drumbeat-0.1.1 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864 [INFO] extracting crate drumbeat 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate drumbeat 0.1.1 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate drumbeat 0.1.1 [INFO] finished tweaking crates.io crate drumbeat 0.1.1 [INFO] tweaked toml for crates.io crate drumbeat 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate drumbeat 0.1.1 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_core v0.6.2 [INFO] [stderr] Downloaded libc v0.2.89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2adbf233dbd45cd690da22e831e57e229e5743588dc44bd968431b37af837a38 [INFO] running `Command { std: "docker" "start" "-a" "2adbf233dbd45cd690da22e831e57e229e5743588dc44bd968431b37af837a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2adbf233dbd45cd690da22e831e57e229e5743588dc44bd968431b37af837a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2adbf233dbd45cd690da22e831e57e229e5743588dc44bd968431b37af837a38", kill_on_drop: false }` [INFO] [stdout] 2adbf233dbd45cd690da22e831e57e229e5743588dc44bd968431b37af837a38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eff590179c9f2fcfdca4a7f7fe41b60b05c3de01a9d6da939cfcf71d948af0fc [INFO] running `Command { std: "docker" "start" "-a" "eff590179c9f2fcfdca4a7f7fe41b60b05c3de01a9d6da939cfcf71d948af0fc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking num_cpus v1.13.0 [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 drumbeat v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `children` is never used [INFO] [stdout] --> src/event/dispatcher.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 72 | pub(super) trait Dispatcher: Replicable + Send + Sync [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 77 | fn children(&self) -> Iter<'_, DispatchTarget>; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/event/observable.rs:388:12 [INFO] [stdout] | [INFO] [stdout] 388 | unsafe { ID.fetch_add(1, Ordering::Relaxed) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sync/threadpool.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sync/worker.rs:100:23 [INFO] [stdout] | [INFO] [stdout] 100 | let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `children` is never used [INFO] [stdout] --> src/event/dispatcher.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 72 | pub(super) trait Dispatcher: Replicable + Send + Sync [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 77 | fn children(&self) -> Iter<'_, DispatchTarget>; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/event/observable.rs:388:12 [INFO] [stdout] | [INFO] [stdout] 388 | unsafe { ID.fetch_add(1, Ordering::Relaxed) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sync/threadpool.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/sync/worker.rs:100:23 [INFO] [stdout] | [INFO] [stdout] 100 | let id = unsafe { ID.fetch_add(1, Ordering::Relaxed) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s [INFO] running `Command { std: "docker" "inspect" "eff590179c9f2fcfdca4a7f7fe41b60b05c3de01a9d6da939cfcf71d948af0fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eff590179c9f2fcfdca4a7f7fe41b60b05c3de01a9d6da939cfcf71d948af0fc", kill_on_drop: false }` [INFO] [stdout] eff590179c9f2fcfdca4a7f7fe41b60b05c3de01a9d6da939cfcf71d948af0fc