[INFO] cloning repository https://github.com/hudson-ayers/rlu-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hudson-ayers/rlu-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ayers%2Frlu-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ayers%2Frlu-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 540e97577cb8c3de29cc4eaf8b89b97d4ff5828f
[INFO] checking hudson-ayers/rlu-rust against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ayers%2Frlu-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hudson-ayers/rlu-rust
[INFO] finished tweaking git repo https://github.com/hudson-ayers/rlu-rust
[INFO] tweaked toml for git repo https://github.com/hudson-ayers/rlu-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hudson-ayers/rlu-rust on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hudson-ayers/rlu-rust 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285
[INFO] running `Command { std: "docker" "start" "89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rlu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rlu.rs:212:36
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 std::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rlu.rs:212:36
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 std::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/rlu_set.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .compare_and_swap(ptr::null_mut(), new_obj, Ordering::SeqCst)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/rlu_set.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |             .compare_and_swap(ptr::null_mut(), new_obj, Ordering::SeqCst)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:147:14
[INFO] [stdout]     |
[INFO] [stdout] 147 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:169:46
[INFO] [stdout]     |
[INFO] [stdout] 169 |             (*rlu).threads[id].as_mut().map(|mut box_thread| {
[INFO] [stdout]     |                                              ----^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:270:14
[INFO] [stdout]     |
[INFO] [stdout] 270 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:147:14
[INFO] [stdout]     |
[INFO] [stdout] 147 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:298:14
[INFO] [stdout]     |
[INFO] [stdout] 298 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:334:14
[INFO] [stdout]     |
[INFO] [stdout] 334 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:350:14
[INFO] [stdout]     |
[INFO] [stdout] 350 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:169:46
[INFO] [stdout]     |
[INFO] [stdout] 169 |             (*rlu).threads[id].as_mut().map(|mut box_thread| {
[INFO] [stdout]     |                                              ----^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:252:14
[INFO] [stdout]     |
[INFO] [stdout] 252 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:270:14
[INFO] [stdout]     |
[INFO] [stdout] 270 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:412:14
[INFO] [stdout]     |
[INFO] [stdout] 412 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:449:14
[INFO] [stdout]     |
[INFO] [stdout] 449 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:469:14
[INFO] [stdout]     |
[INFO] [stdout] 469 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:298:14
[INFO] [stdout]     |
[INFO] [stdout] 298 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:485:14
[INFO] [stdout]     |
[INFO] [stdout] 485 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:502:10
[INFO] [stdout]     |
[INFO] [stdout] 502 |         |mut box_thread| {
[INFO] [stdout]     |          ----^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:334:14
[INFO] [stdout]     |
[INFO] [stdout] 334 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:350:14
[INFO] [stdout]     |
[INFO] [stdout] 350 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:412:14
[INFO] [stdout]     |
[INFO] [stdout] 412 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:449:14
[INFO] [stdout]     |
[INFO] [stdout] 449 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:469:14
[INFO] [stdout]     |
[INFO] [stdout] 469 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:485:14
[INFO] [stdout]     |
[INFO] [stdout] 485 |             |mut box_thread| {
[INFO] [stdout]     |              ----^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rlu.rs:502:10
[INFO] [stdout]     |
[INFO] [stdout] 502 |         |mut box_thread| {
[INFO] [stdout]     |          ----^^^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<*mut T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> tests/rlu.rs:97:14
[INFO] [stdout]    |
[INFO] [stdout] 97 |             .compare_and_swap(ptr::null_mut(), new_obj, Ordering::Relaxed)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> tests/rlu.rs:60:43
[INFO] [stdout]    |
[INFO] [stdout] 60 |         unsafe { self.get_p_obj_copy() == mem::transmute(PTR_ID_OBJ_COPY) }
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 60 -         unsafe { self.get_p_obj_copy() == mem::transmute(PTR_ID_OBJ_COPY) }
[INFO] [stdout] 60 +         unsafe { self.get_p_obj_copy() == std::ptr::with_exposed_provenance_mut::<RluInt>(PTR_ID_OBJ_COPY) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> tests/rlu.rs:84:53
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 p_obj_copy: AtomicPtr::new(unsafe { mem::transmute(PTR_ID_OBJ_COPY) }),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 84 -                 p_obj_copy: AtomicPtr::new(unsafe { mem::transmute(PTR_ID_OBJ_COPY) }),
[INFO] [stdout] 84 +                 p_obj_copy: AtomicPtr::new(unsafe { std::ptr::with_exposed_provenance_mut::<RluInt>(PTR_ID_OBJ_COPY) }),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285", kill_on_drop: false }`
[INFO] [stdout] 89521437e96d4e7c4cedce4c2fa1ebd1debc5b04ad9eb5667fb991937a2e1285
