[INFO] fetching crate mwcas 0.2.0...
[INFO] checking mwcas-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mwcas 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mwcas 0.2.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mwcas 0.2.0
[INFO] finished tweaking crates.io crate mwcas 0.2.0
[INFO] tweaked toml for crates.io crate mwcas 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f639603b83a633335b39d1d4156e93ad1f8fa8d3c6325c76afe3b8070de20f
[INFO] running `Command { std: "docker" "start" "-a" "d8f639603b83a633335b39d1d4156e93ad1f8fa8d3c6325c76afe3b8070de20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f639603b83a633335b39d1d4156e93ad1f8fa8d3c6325c76afe3b8070de20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f639603b83a633335b39d1d4156e93ad1f8fa8d3c6325c76afe3b8070de20f", kill_on_drop: false }`
[INFO] [stdout] d8f639603b83a633335b39d1d4156e93ad1f8fa8d3c6325c76afe3b8070de20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 459c42960737ef171d59f7d83d291f8b71ddaa89093d6f83e191cfe8622a2d41
[INFO] running `Command { std: "docker" "start" "-a" "459c42960737ef171d59f7d83d291f8b71ddaa89093d6f83e191cfe8622a2d41", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking mwcas v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::option::Option::Some;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Some` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `status` is never used
[INFO] [stdout]    --> src/lib.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl<'g> MwCasInner<'g> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 330 |     #[inline(always)]
[INFO] [stdout] 331 |     fn status(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&MwCasInner<'_>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/lib.rs:354:46
[INFO] [stdout]     |
[INFO] [stdout] 354 |                         if &mwcas_ptr != self.deref() {
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:403:48
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 403 -         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout] 403 +         let mwcas_ptr = MwCasPointer::from(self);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:544:47
[INFO] [stdout]     |
[INFO] [stdout] 544 |         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 544 -         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout] 544 +         let new_val = MwCasPointer::from(mwcas).poisoned();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: couldn't read benches/bench.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mwcas` (bench "mwcas_bench") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::option::Option::Some;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Some` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1013:17
[INFO] [stdout]      |
[INFO] [stdout] 1013 |             let mut value = HeapPointer::new(1);
[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: using `.deref()` on a double reference, which returns `&&MwCasInner<'_>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/lib.rs:354:46
[INFO] [stdout]     |
[INFO] [stdout] 354 |                         if &mwcas_ptr != self.deref() {
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:403:48
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 403 -         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout] 403 +         let mwcas_ptr = MwCasPointer::from(self);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:544:47
[INFO] [stdout]     |
[INFO] [stdout] 544 |         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 544 -         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout] 544 +         let new_val = MwCasPointer::from(mwcas).poisoned();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "459c42960737ef171d59f7d83d291f8b71ddaa89093d6f83e191cfe8622a2d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459c42960737ef171d59f7d83d291f8b71ddaa89093d6f83e191cfe8622a2d41", kill_on_drop: false }`
[INFO] [stdout] 459c42960737ef171d59f7d83d291f8b71ddaa89093d6f83e191cfe8622a2d41
[INFO] checking mwcas-0.2.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate mwcas 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mwcas 0.2.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mwcas 0.2.0
[INFO] finished tweaking crates.io crate mwcas 0.2.0
[INFO] tweaked toml for crates.io crate mwcas 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2d1425d41195334c42d010da2e5f411af47e6ab278a16cf0d7cb6395ae7ec6
[INFO] running `Command { std: "docker" "start" "-a" "ad2d1425d41195334c42d010da2e5f411af47e6ab278a16cf0d7cb6395ae7ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2d1425d41195334c42d010da2e5f411af47e6ab278a16cf0d7cb6395ae7ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2d1425d41195334c42d010da2e5f411af47e6ab278a16cf0d7cb6395ae7ec6", kill_on_drop: false }`
[INFO] [stdout] ad2d1425d41195334c42d010da2e5f411af47e6ab278a16cf0d7cb6395ae7ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f3bad87c4876a7f9a92abc35937dbb2b1cdb3823539b9acff77a53fad36e5e3
[INFO] running `Command { std: "docker" "start" "-a" "6f3bad87c4876a7f9a92abc35937dbb2b1cdb3823539b9acff77a53fad36e5e3", kill_on_drop: false }`
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking mwcas v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::option::Option::Some;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Some` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `status` is never used
[INFO] [stdout]    --> src/lib.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl<'g> MwCasInner<'g> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 330 |     #[inline(always)]
[INFO] [stdout] 331 |     fn status(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&MwCasInner<'_>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/lib.rs:354:46
[INFO] [stdout]     |
[INFO] [stdout] 354 |                         if &mwcas_ptr != self.deref() {
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:403:48
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 403 -         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout] 403 +         let mwcas_ptr = MwCasPointer::from(self);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:544:47
[INFO] [stdout]     |
[INFO] [stdout] 544 |         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 544 -         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout] 544 +         let new_val = MwCasPointer::from(mwcas).poisoned();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: couldn't read benches/bench.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mwcas` (bench "mwcas_bench") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::option::Option::Some;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Some` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1013:17
[INFO] [stdout]      |
[INFO] [stdout] 1013 |             let mut value = HeapPointer::new(1);
[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: using `.deref()` on a double reference, which returns `&&MwCasInner<'_>` instead of dereferencing the inner type
[INFO] [stdout]    --> src/lib.rs:354:46
[INFO] [stdout]     |
[INFO] [stdout] 354 |                         if &mwcas_ptr != self.deref() {
[INFO] [stdout]     |                                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:403:48
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout]     |                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 403 -         let mwcas_ptr = MwCasPointer::from(self.deref());
[INFO] [stdout] 403 +         let mwcas_ptr = MwCasPointer::from(self);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:544:47
[INFO] [stdout]     |
[INFO] [stdout] 544 |         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `MwCasInner<'_>` does not implement `Deref`, so calling `deref` on `&MwCasInner<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 544 -         let new_val = MwCasPointer::from(mwcas.deref()).poisoned();
[INFO] [stdout] 544 +         let new_val = MwCasPointer::from(mwcas).poisoned();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `MwCasInner<'_>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 322 + #[derive(Clone)]
[INFO] [stdout] 323 | struct MwCasInner<'g> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f3bad87c4876a7f9a92abc35937dbb2b1cdb3823539b9acff77a53fad36e5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3bad87c4876a7f9a92abc35937dbb2b1cdb3823539b9acff77a53fad36e5e3", kill_on_drop: false }`
[INFO] [stdout] 6f3bad87c4876a7f9a92abc35937dbb2b1cdb3823539b9acff77a53fad36e5e3
