[INFO] fetching crate myriad 0.1.1...
[INFO] testing myriad-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate myriad 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate myriad 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myriad 0.1.1
[INFO] finished tweaking crates.io crate myriad 0.1.1
[INFO] tweaked toml for crates.io crate myriad 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049da003de6fa4f10ad222a7c0a013b4cb04e8503a3027a3fdf204760d6939ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "049da003de6fa4f10ad222a7c0a013b4cb04e8503a3027a3fdf204760d6939ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049da003de6fa4f10ad222a7c0a013b4cb04e8503a3027a3fdf204760d6939ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049da003de6fa4f10ad222a7c0a013b4cb04e8503a3027a3fdf204760d6939ae", kill_on_drop: false }`
[INFO] [stdout] 049da003de6fa4f10ad222a7c0a013b4cb04e8503a3027a3fdf204760d6939ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e0fe504f6508f08669df6539124d635969424acae30568bf40ba2f59fb5cf2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02e0fe504f6508f08669df6539124d635969424acae30568bf40ba2f59fb5cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling myriad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mpmc/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     data: Box<LockFree<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/queue.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 if tail == self.tail.compare_and_swap(tail, new_tail, Release) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/queue.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 if head == self.head.compare_and_swap(head, (*head).next, Release) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/stack.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if head == self.head.compare_and_swap(head, new_head, Relaxed) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/stack.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     if head == self.head.compare_and_swap(head, next, Release) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "02e0fe504f6508f08669df6539124d635969424acae30568bf40ba2f59fb5cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e0fe504f6508f08669df6539124d635969424acae30568bf40ba2f59fb5cf2", kill_on_drop: false }`
[INFO] [stdout] 02e0fe504f6508f08669df6539124d635969424acae30568bf40ba2f59fb5cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2c2da140fa2099f9597871243e5d93663b805972c19103154a3cf0e5d6bf0b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2c2da140fa2099f9597871243e5d93663b805972c19103154a3cf0e5d6bf0b9", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mpmc/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     data: Box<LockFree<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling myriad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/queue.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 if tail == self.tail.compare_and_swap(tail, new_tail, Release) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/queue.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 if head == self.head.compare_and_swap(head, (*head).next, Release) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/stack.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if head == self.head.compare_and_swap(head, new_head, Relaxed) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/stack.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     if head == self.head.compare_and_swap(head, next, Release) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering::*`
[INFO] [stdout]   --> src/mpmc/stack.rs:97:42
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use std::sync::atomic::{AtomicUsize, Ordering::*};
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mpmc/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     data: Box<LockFree<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/queue.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 if tail == self.tail.compare_and_swap(tail, new_tail, Release) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/queue.rs:63:38
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 if head == self.head.compare_and_swap(head, (*head).next, Release) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/stack.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 if head == self.head.compare_and_swap(head, new_head, Relaxed) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/mpmc/stack.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     if head == self.head.compare_and_swap(head, next, Release) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b2c2da140fa2099f9597871243e5d93663b805972c19103154a3cf0e5d6bf0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c2da140fa2099f9597871243e5d93663b805972c19103154a3cf0e5d6bf0b9", kill_on_drop: false }`
[INFO] [stdout] b2c2da140fa2099f9597871243e5d93663b805972c19103154a3cf0e5d6bf0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a798db45ed612f7c8a101b5531162bb267422b05746b732a6783fc608dc68e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a798db45ed612f7c8a101b5531162bb267422b05746b732a6783fc608dc68e9", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mpmc/mod.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     data: Box<LockFree<T>>,
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/queue.rs:47:38
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 if tail == self.tail.compare_and_swap(tail, new_tail, Release) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/queue.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 if head == self.head.compare_and_swap(head, (*head).next, Release) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/stack.rs:35:38
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 if head == self.head.compare_and_swap(head, new_head, Relaxed) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/stack.rs:50:42
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if head == self.head.compare_and_swap(head, next, Release) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering::*`
[INFO] [stderr]   --> src/mpmc/stack.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |     use std::sync::atomic::{AtomicUsize, Ordering::*};
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mpmc/mod.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     data: Box<LockFree<T>>,
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/queue.rs:47:38
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 if tail == self.tail.compare_and_swap(tail, new_tail, Release) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/queue.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 if head == self.head.compare_and_swap(head, (*head).next, Release) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/stack.rs:35:38
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 if head == self.head.compare_and_swap(head, new_head, Relaxed) {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/mpmc/stack.rs:50:42
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if head == self.head.compare_and_swap(head, next, Release) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/myriad-f4aa0508b64f2dbe)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test mpmc::queue::test::drop ... ok
[INFO] [stdout] test mpmc::queue::test::pop_and_drop ... ok
[INFO] [stdout] test mpmc::queue::test::len ... ok
[INFO] [stdout] test mpmc::queue::test::sanity ... ok
[INFO] [stdout] test mpmc::stack::test::drop ... ok
[INFO] [stdout] test mpmc::stack::test::len ... ok
[INFO] [stdout] test mpmc::stack::test::pop_and_drop ... ok
[INFO] [stdout] test mpmc::stack::test::sanity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests myriad
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a798db45ed612f7c8a101b5531162bb267422b05746b732a6783fc608dc68e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a798db45ed612f7c8a101b5531162bb267422b05746b732a6783fc608dc68e9", kill_on_drop: false }`
[INFO] [stdout] 4a798db45ed612f7c8a101b5531162bb267422b05746b732a6783fc608dc68e9
