[INFO] cloning repository https://github.com/zokier/detaser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zokier/detaser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzokier%2Fdetaser"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzokier%2Fdetaser'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c52beeab1477d334f536f69645d999d6d9203d8
[INFO] checking zokier/detaser against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzokier%2Fdetaser" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zokier/detaser on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zokier/detaser
[INFO] finished tweaking git repo https://github.com/zokier/detaser
[INFO] tweaked toml for git repo https://github.com/zokier/detaser written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zokier/detaser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mahkoh/comm.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/mahkoh/comm.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9d107f39162247ba8b358f6f4440cbb3138226f1d209a93adffa6c68c5536799
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9d107f39162247ba8b358f6f4440cbb3138226f1d209a93adffa6c68c5536799"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking comm v0.0.1 (https://github.com/mahkoh/comm.git#b38695e3)
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |            unsafe_no_drop_flag, filling_drop, wait_timeout, wait_timeout_with,
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::nonzero`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:39:11
[INFO] [stderr]    |
[INFO] [stderr] 39 | use core::nonzero::{NonZero};
[INFO] [stderr]    |           ^^^^^^^ could not find `nonzero` in `core`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | use alloc::heap::{deallocate};
[INFO] [stderr]    |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::sync::StaticMutex`, `std::sync::MUTEX_INIT`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/one_space/imp.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::{StaticMutex, MUTEX_INIT};
[INFO] [stderr]   |                 ^^^^^^^^^^^  ^^^^^^^^^^ no `MUTEX_INIT` in `sync`
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 no `StaticMutex` in `sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/bounded/imp.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use alloc::heap::{allocate, deallocate};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::oom`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/bounded/imp.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use alloc::{oom};
[INFO] [stderr]    |             ^^^ no `oom` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/ring_buf/imp.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use alloc::heap::{allocate, deallocate};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::oom`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/ring_buf/imp.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use alloc::{oom};
[INFO] [stderr]   |             ^^^ no `oom` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/bounded_fast/imp.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::heap::{allocate, deallocate};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::oom`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/bounded_fast/imp.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use alloc::{oom};
[INFO] [stderr]   |             ^^^ no `oom` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/bounded_fast/imp.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use alloc::heap::{allocate, deallocate};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::oom`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/bounded_fast/imp.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use alloc::{oom};
[INFO] [stderr]   |             ^^^ no `oom` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpmc/bounded/imp.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | use alloc::heap::{allocate, deallocate};
[INFO] [stderr]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::oom`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpmc/bounded/imp.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 | use alloc::{oom};
[INFO] [stderr]    |             ^^^ no `oom` in the root
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_no_drop_flag` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 | #[unsafe_no_drop_flag]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_no_drop_flag` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[unsafe_no_drop_flag]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_no_drop_flag` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:64:3
[INFO] [stderr]    |
[INFO] [stderr] 64 | #[unsafe_no_drop_flag]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `unsafe_no_drop_flag` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[unsafe_no_drop_flag]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `POST_DROP_USIZE` in module `mem`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:215:50
[INFO] [stderr]     |
[INFO] [stderr] 215 |         if ptr.is_null() || ptr as usize == mem::POST_DROP_USIZE { return }
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ not found in `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `POST_DROP_USIZE` in module `mem`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:287:50
[INFO] [stderr]     |
[INFO] [stderr] 287 |         if ptr.is_null() || ptr as usize == mem::POST_DROP_USIZE { return }
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ not found in `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `POST_DROP_USIZE` in module `mem`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:374:50
[INFO] [stderr]     |
[INFO] [stderr] 374 |         if ptr.is_null() || ptr as usize == mem::POST_DROP_USIZE { return }
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ not found in `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `POST_DROP_USIZE` in module `mem`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/arc.rs:466:50
[INFO] [stderr]     |
[INFO] [stderr] 466 |         if ptr.is_null() || ptr as usize == mem::POST_DROP_USIZE { return }
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^ not found in `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `BITS` in module `std::usize`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpmc/bounded/imp.rs:21:48
[INFO] [stderr]    |
[INFO] [stderr] 21 | const HALF_POINTER_BITS: usize = ::std::usize::BITS as usize / 2;
[INFO] [stderr]    |                                                ^^^^ not found in `std::usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/select/imp.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Select<'a> {
[INFO] [stderr]    |                   ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/select/imp.rs:242:22
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub struct WaitQueue<'a> {
[INFO] [stderr]     |                      ^^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/select/imp.rs:321:20
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub struct Payload<'a> {
[INFO] [stderr]     |                    ^^ unused parameter
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/one_space/mod.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/one_space/mod.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/one_space/mod.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/one_space/mod.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/bounded/mod.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/bounded/mod.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/bounded/mod.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/bounded/mod.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/ring_buf/mod.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/ring_buf/mod.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/ring_buf/mod.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/ring_buf/mod.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/unbounded/mod.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/unbounded/mod.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/unbounded/mod.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spsc/unbounded/mod.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/unbounded/mod.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/unbounded/mod.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/unbounded/mod.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/unbounded/mod.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/bounded_fast/mod.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/bounded_fast/mod.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/bounded_fast/mod.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/spmc/bounded_fast/mod.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/unbounded/mod.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/unbounded/mod.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/unbounded/mod.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/unbounded/mod.rs:52:25
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/bounded_fast/mod.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/bounded_fast/mod.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct Producer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/bounded_fast/mod.rs:65:21
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                     ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpsc/bounded_fast/mod.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct Consumer<'a, T: Sendable+'a> {
[INFO] [stderr]    |                         ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `'a` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpmc/bounded/mod.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Channel<'a, T: Sendable+'a> {
[INFO] [stderr]    |                    ^^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `'a`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/comm-dadbb27167cc9074/b38695e/src/mpmc/bounded/mod.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Channel<'a, T: Sendable+'a> {
[INFO] [stderr]    |                        ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 60 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0425, E0432, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: could not compile `comm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9d107f39162247ba8b358f6f4440cbb3138226f1d209a93adffa6c68c5536799"`
[INFO] running `"docker" "rm" "-f" "9d107f39162247ba8b358f6f4440cbb3138226f1d209a93adffa6c68c5536799"`
[INFO] [stdout] 9d107f39162247ba8b358f6f4440cbb3138226f1d209a93adffa6c68c5536799