[INFO] fetching crate bztree 0.2.0... [INFO] checking bztree-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate bztree 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate bztree 0.2.0 [INFO] finished tweaking crates.io crate bztree 0.2.0 [INFO] tweaked toml for crates.io crate bztree 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate bztree 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 87 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.6.0) [INFO] [stderr] Adding jemallocator v0.3.2 (available: v0.5.4) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.1) [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 mwcas v0.2.0 [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] b0aca835e27847c3f39a4ca821382da401101184ccc6648e67b8c26b462f8b43 [INFO] running `Command { std: "docker" "start" "-a" "b0aca835e27847c3f39a4ca821382da401101184ccc6648e67b8c26b462f8b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0aca835e27847c3f39a4ca821382da401101184ccc6648e67b8c26b462f8b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0aca835e27847c3f39a4ca821382da401101184ccc6648e67b8c26b462f8b43", kill_on_drop: false }` [INFO] [stdout] b0aca835e27847c3f39a4ca821382da401101184ccc6648e67b8c26b462f8b43 [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] 4b3325a8f1c9dbfd1c61c57716353d2fb8217e5a82b3a4ecd982a938804dd166 [INFO] running `Command { std: "docker" "start" "-a" "4b3325a8f1c9dbfd1c61c57716353d2fb8217e5a82b3a4ecd982a938804dd166", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling fs_extra v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling cc v1.2.27 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking csv-core v0.1.12 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking mwcas v0.2.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking bztree v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:792:9 [INFO] [stdout] | [INFO] [stdout] 792 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 796 | ) -> MergeResult { [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 796 | ) -> MergeResult<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:885:19 [INFO] [stdout] | [INFO] [stdout] 885 | fn merge_root(&self, root_ptr: &NodePointer, guard: &Guard) -> MergeResult { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 885 | fn merge_root(&self, root_ptr: &NodePointer, guard: &Guard) -> MergeResult<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:923:9 [INFO] [stdout] | [INFO] [stdout] 923 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 930 | ) -> Result, MergeResult> { [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 930 | ) -> Result, MergeResult<'_, K, V>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/node/mod.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | unsafe { &mut *($node as *const Node as *mut Node) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | let entry = &mut deref_mut!(self).data_block[index]; [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/node/mod.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | unsafe { &mut *($node as *const Node as *mut Node) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 226 | let entry = &mut deref_mut!(self).data_block[kv_index]; [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/node/mod.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | unsafe { &mut *($node as *const Node as *mut Node) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 325 | let entry = &mut deref_mut!(self).data_block[index]; [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/node/mod.rs:376:33 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn range<'g, Q, Range>(&'g self, key_range: Range, guard: &'g Guard) -> NodeScanner [INFO] [stdout] | ^^ ^^ ----------------- the lifetime gets resolved as `'g` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'g` [INFO] [stdout] | [INFO] [stdout] 376 | pub fn range<'g, Q, Range>(&'g self, key_range: Range, guard: &'g Guard) -> NodeScanner<'g, K, V> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/node/mod.rs:385:22 [INFO] [stdout] | [INFO] [stdout] 385 | pub fn iter<'g>(&'g self, guard: &'g Guard) -> NodeScanner [INFO] [stdout] | ^^ ^^ ----------------- the lifetime gets resolved as `'g` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'g` [INFO] [stdout] | [INFO] [stdout] 385 | pub fn iter<'g>(&'g self, guard: &'g Guard) -> NodeScanner<'g, K, V> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/node/mod.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | unsafe { &mut *($node as *const Node as *mut Node) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 888 | let self_mut = deref_mut!(self); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bztree` (lib) due to 4 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4b3325a8f1c9dbfd1c61c57716353d2fb8217e5a82b3a4ecd982a938804dd166", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b3325a8f1c9dbfd1c61c57716353d2fb8217e5a82b3a4ecd982a938804dd166", kill_on_drop: false }` [INFO] [stdout] 4b3325a8f1c9dbfd1c61c57716353d2fb8217e5a82b3a4ecd982a938804dd166