[INFO] fetching crate arbalest 0.2.1...
[INFO] checking arbalest-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate arbalest 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate arbalest 0.2.1 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 arbalest 0.2.1
[INFO] finished tweaking crates.io crate arbalest 0.2.1
[INFO] tweaked toml for crates.io crate arbalest 0.2.1 written to /workspace/builds/worker-1-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] 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 102792cfd3a21999cd9060abcfe48bfec7d0b7c5992e977fb0a5c2dff1a7424d
[INFO] running `Command { std: "docker" "start" "-a" "102792cfd3a21999cd9060abcfe48bfec7d0b7c5992e977fb0a5c2dff1a7424d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "102792cfd3a21999cd9060abcfe48bfec7d0b7c5992e977fb0a5c2dff1a7424d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102792cfd3a21999cd9060abcfe48bfec7d0b7c5992e977fb0a5c2dff1a7424d", kill_on_drop: false }`
[INFO] [stdout] 102792cfd3a21999cd9060abcfe48bfec7d0b7c5992e977fb0a5c2dff1a7424d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 48faace86b5b09c40249f67e15195441b57b07bcead8eddad2e560b107a9abdf
[INFO] running `Command { std: "docker" "start" "-a" "48faace86b5b09c40249f67e15195441b57b07bcead8eddad2e560b107a9abdf", kill_on_drop: false }`
[INFO] [stderr]     Checking arbalest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
[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::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:316:25
[INFO] [stdout]     |
[INFO] [stdout] 316 |         if inner.strong.compare_and_swap(1, MUTABLE_REFCOUNT, Acquire) != 1 {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/sync.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/sync.rs:1116:9
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:316:25
[INFO] [stdout]     |
[INFO] [stdout] 316 |         if inner.strong.compare_and_swap(1, MUTABLE_REFCOUNT, Acquire) != 1 {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/sync.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/sync.rs:1116:9
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "48faace86b5b09c40249f67e15195441b57b07bcead8eddad2e560b107a9abdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48faace86b5b09c40249f67e15195441b57b07bcead8eddad2e560b107a9abdf", kill_on_drop: false }`
[INFO] [stdout] 48faace86b5b09c40249f67e15195441b57b07bcead8eddad2e560b107a9abdf
[INFO] checking arbalest-0.2.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate arbalest 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate arbalest 0.2.1 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 arbalest 0.2.1
[INFO] finished tweaking crates.io crate arbalest 0.2.1
[INFO] tweaked toml for crates.io crate arbalest 0.2.1 written to /workspace/builds/worker-1-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] 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1bb650b9df3d74c7a8bc4d60a16bc5ce888d60913cde3b252d8cb0e443e6dc28
[INFO] running `Command { std: "docker" "start" "-a" "1bb650b9df3d74c7a8bc4d60a16bc5ce888d60913cde3b252d8cb0e443e6dc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb650b9df3d74c7a8bc4d60a16bc5ce888d60913cde3b252d8cb0e443e6dc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb650b9df3d74c7a8bc4d60a16bc5ce888d60913cde3b252d8cb0e443e6dc28", kill_on_drop: false }`
[INFO] [stdout] 1bb650b9df3d74c7a8bc4d60a16bc5ce888d60913cde3b252d8cb0e443e6dc28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d662ea94a6f00de46e8fb9edbac1232ea31e0c7a4d484868dfc758f8ccb66cf9
[INFO] running `Command { std: "docker" "start" "-a" "d662ea94a6f00de46e8fb9edbac1232ea31e0c7a4d484868dfc758f8ccb66cf9", kill_on_drop: false }`
[INFO] [stderr]     Checking arbalest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
[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::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:316:25
[INFO] [stdout]     |
[INFO] [stdout] 316 |         if inner.strong.compare_and_swap(1, MUTABLE_REFCOUNT, Acquire) != 1 {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:221:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |         if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
[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::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync.rs:316:25
[INFO] [stdout]     |
[INFO] [stdout] 316 |         if inner.strong.compare_and_swap(1, MUTABLE_REFCOUNT, Acquire) != 1 {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/sync.rs:917:14
[INFO] [stdout]     |
[INFO] [stdout] 917 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]     --> src/sync.rs:1217:14
[INFO] [stdout]      |
[INFO] [stdout] 1217 |         self.description().fmt(f)
[INFO] [stdout]      |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/sync.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/sync.rs:1116:9
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/sync.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 469 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]     |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]     --> src/sync.rs:1116:9
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         this.ptr.as_ptr() == other.ptr.as_ptr()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         ++++++++++++++++++                 ~                   +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]      |
[INFO] [stdout] 1116 |         std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr())
[INFO] [stdout]      |         +++++++++++++                 ~                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "d662ea94a6f00de46e8fb9edbac1232ea31e0c7a4d484868dfc758f8ccb66cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d662ea94a6f00de46e8fb9edbac1232ea31e0c7a4d484868dfc758f8ccb66cf9", kill_on_drop: false }`
[INFO] [stdout] d662ea94a6f00de46e8fb9edbac1232ea31e0c7a4d484868dfc758f8ccb66cf9
