[INFO] fetching crate audio 0.2.0...
[INFO] checking audio-0.2.0 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate audio 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate audio 0.2.0 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio 0.2.0
[INFO] finished tweaking crates.io crate audio 0.2.0
[INFO] tweaked toml for crates.io crate audio 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding bittle v0.2.2 (latest: v0.5.7)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded audio-core v0.2.0
[INFO] [stderr]   Downloaded bittle v0.2.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0dad2afc9ff52b094af8ade85ec3c91eaa93e871c801b0bd68b084e254de6d
[INFO] running `Command { std: "docker" "start" "-a" "7a0dad2afc9ff52b094af8ade85ec3c91eaa93e871c801b0bd68b084e254de6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0dad2afc9ff52b094af8ade85ec3c91eaa93e871c801b0bd68b084e254de6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0dad2afc9ff52b094af8ade85ec3c91eaa93e871c801b0bd68b084e254de6d", kill_on_drop: false }`
[INFO] [stdout] 7a0dad2afc9ff52b094af8ade85ec3c91eaa93e871c801b0bd68b084e254de6d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e8b0ae093c9958dd8dc1328e3b095e6e0ac9f717cc1cfc32beec5fdafff719
[INFO] running `Command { std: "docker" "start" "-a" "b9e8b0ae093c9958dd8dc1328e3b095e6e0ac9f717cc1cfc32beec5fdafff719", kill_on_drop: false }`
[INFO] [stderr]     Checking audio-core v0.2.0
[INFO] [stderr]     Checking bittle v0.2.2
[INFO] [stderr]     Checking audio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout] 374 | iterator!(struct Iter -> *const T, T, const, {/* no mut */});
[INFO] [stdout]     | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:194:30
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout] 374 | iterator!(struct Iter -> *const T, T, const, {/* no mut */});
[INFO] [stdout]     | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | iterator!(struct IterMut -> *mut T, &'a mut T, mut, {&mut});
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:194:30
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | iterator!(struct IterMut -> *mut T, &'a mut T, mut, {&mut});
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout] 374 | iterator!(struct Iter -> *const T, T, const, {/* no mut */});
[INFO] [stdout]     | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:194:30
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout] 374 | iterator!(struct Iter -> *const T, T, const, {/* no mut */});
[INFO] [stdout]     | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | iterator!(struct IterMut -> *mut T, &'a mut T, mut, {&mut});
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/channel/interleaved/macros.rs:194:30
[INFO] [stdout]     |
[INFO] [stdout] 194 |                     assert!(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/interleaved.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | iterator!(struct IterMut -> *mut T, &'a mut T, mut, {&mut});
[INFO] [stdout]     | ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `iterator` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "b9e8b0ae093c9958dd8dc1328e3b095e6e0ac9f717cc1cfc32beec5fdafff719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e8b0ae093c9958dd8dc1328e3b095e6e0ac9f717cc1cfc32beec5fdafff719", kill_on_drop: false }`
[INFO] [stdout] b9e8b0ae093c9958dd8dc1328e3b095e6e0ac9f717cc1cfc32beec5fdafff719