[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 master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhudson-ayers%2Frlu-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hudson-ayers/rlu-rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc1/source/Cargo.toml
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "d52c27847d566cf8d613a65d6c142f55be365f99e8f4fdacd7cb4d0cdece12fa", kill_on_drop: false }`
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[INFO] [stdout] d52c27847d566cf8d613a65d6c142f55be365f99e8f4fdacd7cb4d0cdece12fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f771d6624fd09b2f81d9540581b5cf0d1b32301fe1c17fc37d7ea0a54b915770
[INFO] running `Command { std: "docker" "start" "-a" "f771d6624fd09b2f81d9540581b5cf0d1b32301fe1c17fc37d7ea0a54b915770", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[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::AtomicPtr::<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::AtomicPtr::<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)]` on by default
[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)]` 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: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: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: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: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: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: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: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: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: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: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: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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "f771d6624fd09b2f81d9540581b5cf0d1b32301fe1c17fc37d7ea0a54b915770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f771d6624fd09b2f81d9540581b5cf0d1b32301fe1c17fc37d7ea0a54b915770", kill_on_drop: false }`
[INFO] [stdout] f771d6624fd09b2f81d9540581b5cf0d1b32301fe1c17fc37d7ea0a54b915770
[INFO] checking hudson-ayers/rlu-rust against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[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] validating manifest of git repo https://github.com/hudson-ayers/rlu-rust on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d2b1a189cd84213dfebce94a1ec216476c70113df3ce98a778a8b289353e566
[INFO] running `Command { std: "docker" "start" "-a" "2d2b1a189cd84213dfebce94a1ec216476c70113df3ce98a778a8b289353e566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2b1a189cd84213dfebce94a1ec216476c70113df3ce98a778a8b289353e566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2b1a189cd84213dfebce94a1ec216476c70113df3ce98a778a8b289353e566", kill_on_drop: false }`
[INFO] [stdout] 2d2b1a189cd84213dfebce94a1ec216476c70113df3ce98a778a8b289353e566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5780be692db56b6a7220a20ea1c4a73e9ebec19165009d10b1ff0e55048f28
[INFO] running `Command { std: "docker" "start" "-a" "6a5780be692db56b6a7220a20ea1c4a73e9ebec19165009d10b1ff0e55048f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand_os v0.1.3
[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::AtomicPtr::<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::AtomicPtr::<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)]` on by default
[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)]` 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: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: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: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: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: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: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: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: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: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: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: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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bt_set.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn contains(&self, value: T) -> bool {
[INFO] [stdout]    |                        -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 27 |         self.0.read().unwrap().contains(&value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bt_set.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn contains(&self, value: T) -> bool {
[INFO] [stdout]    |                        -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 27 |         self.0.read().unwrap().contains(&value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bt_set.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn insert(&self, value: T) -> bool {
[INFO] [stdout]    |                      -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         self.0.write().unwrap().insert(value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bt_set.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn insert(&self, value: T) -> bool {
[INFO] [stdout]    |                      -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         self.0.write().unwrap().insert(value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bt_set.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(&self, value: T) -> bool {
[INFO] [stdout]    |                      -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 35 |         self.0.write().unwrap().remove(&value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bt_set.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn delete(&self, value: T) -> bool {
[INFO] [stdout]    |                      -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 35 |         self.0.write().unwrap().remove(&value)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlu` (lib test) due to 4 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rlu` (lib) due to 4 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6a5780be692db56b6a7220a20ea1c4a73e9ebec19165009d10b1ff0e55048f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5780be692db56b6a7220a20ea1c4a73e9ebec19165009d10b1ff0e55048f28", kill_on_drop: false }`
[INFO] [stdout] 6a5780be692db56b6a7220a20ea1c4a73e9ebec19165009d10b1ff0e55048f28