[INFO] fetching crate bztree 0.2.0...
[INFO] checking bztree-0.2.0 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate bztree 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bztree 0.2.0 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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: v0.5.1)
[INFO] [stderr]       Adding jemallocator v0.3.2 (available: v0.5.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jemallocator v0.3.2
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded mwcas v0.2.0
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2836e46aadf58dfbe98c25718b09797cdf82256ca2eda6120071734ee6b4dac
[INFO] running `Command { std: "docker" "start" "-a" "e2836e46aadf58dfbe98c25718b09797cdf82256ca2eda6120071734ee6b4dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2836e46aadf58dfbe98c25718b09797cdf82256ca2eda6120071734ee6b4dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2836e46aadf58dfbe98c25718b09797cdf82256ca2eda6120071734ee6b4dac", kill_on_drop: false }`
[INFO] [stdout] e2836e46aadf58dfbe98c25718b09797cdf82256ca2eda6120071734ee6b4dac
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d9f685a5d97c1588142ce88453872394c205ff57c93e702bf57ff20d225f58
[INFO] running `Command { std: "docker" "start" "-a" "61d9f685a5d97c1588142ce88453872394c205ff57c93e702bf57ff20d225f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking mwcas v0.2.0
[INFO] [stderr]     Checking bztree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/node/mod.rs:376:92
[INFO] [stdout]     |
[INFO] [stdout] 376 |     pub fn range<'g, Q, Range>(&'g self, key_range: Range, guard: &'g Guard) -> NodeScanner<K, V>
[INFO] [stdout]     |                  -- lifetime `'g` declared here                                            ^ this elided lifetime gets resolved as `'g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/node/mod.rs:385:63
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub fn iter<'g>(&'g self, guard: &'g Guard) -> NodeScanner<K, V>
[INFO] [stdout]     |                 -- lifetime `'g` declared here                ^ this elided lifetime gets resolved as `'g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.8
[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 *($node as *const Node<K, V> as *mut Node<K, V>) }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |         let entry = &mut deref_mut!(self).data_block[index];
[INFO] [stdout]     |                          ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get`
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout]     = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/node/mod.rs:29:18
[INFO] [stdout]     |
[INFO] [stdout] 29  |         unsafe { &mut *($node as *const Node<K, V> as *mut Node<K, V>) }
[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 <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[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 *($node as *const Node<K, V> as *mut Node<K, V>) }
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 325 |             let entry = &mut deref_mut!(self).data_block[index];
[INFO] [stdout]     |                              ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get`
[INFO] [stdout]     = note: this error originates in the macro `deref_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/node/mod.rs:29:18
[INFO] [stdout]     |
[INFO] [stdout] 29  |         unsafe { &mut *($node as *const Node<K, V> as *mut Node<K, V>) }
[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 <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[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; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "61d9f685a5d97c1588142ce88453872394c205ff57c93e702bf57ff20d225f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d9f685a5d97c1588142ce88453872394c205ff57c93e702bf57ff20d225f58", kill_on_drop: false }`
[INFO] [stdout] 61d9f685a5d97c1588142ce88453872394c205ff57c93e702bf57ff20d225f58
