[INFO] fetching crate bztree 0.2.0... [INFO] testing bztree-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate bztree 0.2.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate bztree 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 79 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.7.0) [INFO] [stderr] Adding jemallocator v0.3.2 (available: v0.5.4) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jemallocator v0.3.2 [INFO] [stderr] Downloaded serde_cbor v0.11.2 [INFO] [stderr] Downloaded mwcas v0.2.0 [INFO] [stderr] Downloaded csv-core v0.1.13 [INFO] [stderr] Downloaded criterion-plot v0.4.5 [INFO] [stderr] Downloaded textwrap v0.11.0 [INFO] [stderr] Downloaded half v1.8.3 [INFO] [stderr] Downloaded criterion v0.3.6 [INFO] [stderr] Downloaded clap v2.34.0 [INFO] [stderr] Downloaded csv v1.4.0 [INFO] [stderr] Downloaded jemalloc-sys v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e7be599eb1b123dc50152b3c80a32a1b481f4b65ed68e86884327270e258f05 [INFO] running `Command { std: "docker" "start" "-a" "0e7be599eb1b123dc50152b3c80a32a1b481f4b65ed68e86884327270e258f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e7be599eb1b123dc50152b3c80a32a1b481f4b65ed68e86884327270e258f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e7be599eb1b123dc50152b3c80a32a1b481f4b65ed68e86884327270e258f05", kill_on_drop: false }` [INFO] [stdout] 0e7be599eb1b123dc50152b3c80a32a1b481f4b65ed68e86884327270e258f05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fc512f7df533fc991d885849cf9225238c3979fe20f90601a4d6e298b4bc911 [INFO] running `Command { std: "docker" "start" "-a" "7fc512f7df533fc991d885849cf9225238c3979fe20f90601a4d6e298b4bc911", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling mwcas v0.2.0 [INFO] [stderr] Compiling bztree v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:792:9 [INFO] [stdout] | [INFO] [stdout] 792 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 796 | ) -> MergeResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 796 | ) -> MergeResult<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:923:9 [INFO] [stdout] | [INFO] [stdout] 923 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 930 | ) -> Result, MergeResult> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type 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 *($node as *const Node as *mut Node) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | let entry = &mut deref_mut!(self).data_block[index]; [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bztree` (lib) due to 4 previous errors; 5 warnings emitted [INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell` [INFO] [stdout] --> src/node/mod.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | unsafe { &mut *($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: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/node/mod.rs:376:81 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn range<'g, Q, Range>(&'g self, key_range: Range, guard: &'g Guard) -> NodeScanner [INFO] [stdout] | -- -- ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/node/mod.rs:385:52 [INFO] [stdout] | [INFO] [stdout] 385 | pub fn iter<'g>(&'g self, guard: &'g Guard) -> NodeScanner [INFO] [stdout] | -- -- ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: 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] running `Command { std: "docker" "inspect" "7fc512f7df533fc991d885849cf9225238c3979fe20f90601a4d6e298b4bc911", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fc512f7df533fc991d885849cf9225238c3979fe20f90601a4d6e298b4bc911", kill_on_drop: false }` [INFO] [stdout] 7fc512f7df533fc991d885849cf9225238c3979fe20f90601a4d6e298b4bc911