[INFO] fetching crate intrusive-collections 0.9.7...
[INFO] checking intrusive-collections-0.9.7 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate intrusive-collections 0.9.7 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate intrusive-collections 0.9.7
[INFO] finished tweaking crates.io crate intrusive-collections 0.9.7
[INFO] tweaked toml for crates.io crate intrusive-collections 0.9.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate intrusive-collections 0.9.7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rand_xorshift v0.3.0 (available: v0.4.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d7ef78db0154532689ee27765ce7760d220a9e65b5e19431bc81fa8f223c93cf
[INFO] running `Command { std: "docker" "start" "-a" "d7ef78db0154532689ee27765ce7760d220a9e65b5e19431bc81fa8f223c93cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ef78db0154532689ee27765ce7760d220a9e65b5e19431bc81fa8f223c93cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ef78db0154532689ee27765ce7760d220a9e65b5e19431bc81fa8f223c93cf", kill_on_drop: false }`
[INFO] [stdout] d7ef78db0154532689ee27765ce7760d220a9e65b5e19431bc81fa8f223c93cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cf44e8ec3ac7cef8d4e86d60221c0e5477ed2c7e7529c7b9769b0a195c7e5964
[INFO] running `Command { std: "docker" "start" "-a" "cf44e8ec3ac7cef8d4e86d60221c0e5477ed2c7e7529c7b9769b0a195c7e5964", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking intrusive-collections v0.9.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `UncheckedOptionExt` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/rbtree.rs:2046:24
[INFO] [stdout]      |
[INFO] [stdout] 2046 |     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'_, A>
[INFO] [stdout]      |                        ^^ this lifetime flows to the output                                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 2046 -     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'_, A>
[INFO] [stdout] 2046 +     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'a, A>
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: trait `UncheckedOptionExt` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/rbtree.rs:2046:24
[INFO] [stdout]      |
[INFO] [stdout] 2046 |     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'_, A>
[INFO] [stdout]      |                        ^^ this lifetime flows to the output                                   -- the lifetime gets resolved as `'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 2046 -     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'_, A>
[INFO] [stdout] 2046 +     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'a, A>
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "cf44e8ec3ac7cef8d4e86d60221c0e5477ed2c7e7529c7b9769b0a195c7e5964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf44e8ec3ac7cef8d4e86d60221c0e5477ed2c7e7529c7b9769b0a195c7e5964", kill_on_drop: false }`
[INFO] [stdout] cf44e8ec3ac7cef8d4e86d60221c0e5477ed2c7e7529c7b9769b0a195c7e5964