[INFO] fetching crate pcast 0.3.0...
[INFO] testing pcast-0.3.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate pcast 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pcast 0.3.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcast 0.3.0
[INFO] finished tweaking crates.io crate pcast 0.3.0
[INFO] tweaked toml for crates.io crate pcast 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b99f8e9fc423ae849a6bff11b4bd5c87d5e99203e8d60e53c7103074a18ab90
[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" "6b99f8e9fc423ae849a6bff11b4bd5c87d5e99203e8d60e53c7103074a18ab90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b99f8e9fc423ae849a6bff11b4bd5c87d5e99203e8d60e53c7103074a18ab90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b99f8e9fc423ae849a6bff11b4bd5c87d5e99203e8d60e53c7103074a18ab90", kill_on_drop: false }`
[INFO] [stdout] 6b99f8e9fc423ae849a6bff11b4bd5c87d5e99203e8d60e53c7103074a18ab90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2994a02c5d59e7a7fb2d5782924f1519ad5db4b67fc9e404044588bdf48f4d73
[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" "2994a02c5d59e7a7fb2d5782924f1519ad5db4b67fc9e404044588bdf48f4d73", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling pcast v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "2994a02c5d59e7a7fb2d5782924f1519ad5db4b67fc9e404044588bdf48f4d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2994a02c5d59e7a7fb2d5782924f1519ad5db4b67fc9e404044588bdf48f4d73", kill_on_drop: false }`
[INFO] [stdout] 2994a02c5d59e7a7fb2d5782924f1519ad5db4b67fc9e404044588bdf48f4d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93420715fce51c96bb54a98fe4d7c965523a212b19875223ecd9e79f773fb8a4
[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" "93420715fce51c96bb54a98fe4d7c965523a212b19875223ecd9e79f773fb8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcast v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stdout] 176 | |         Ok(())
[INFO] [stdout] 177 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stdout] 176 | |         Ok(())
[INFO] [stdout] 177 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stdout] 176 | |         Ok(())
[INFO] [stdout] 177 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stdout] 179 | |         Err(PongConvError {})
[INFO] [stdout] 180 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stdout] 179 | |         Err(PongConvError {})
[INFO] [stdout] 180 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stdout] 179 | |         Err(PongConvError {})
[INFO] [stdout] 180 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stdout] 182 | |         Ok(())
[INFO] [stdout] 183 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stdout] 182 | |         Ok(())
[INFO] [stdout] 183 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stdout] 182 | |         Ok(())
[INFO] [stdout] 183 | |     });
[INFO] [stdout]     | |_______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let mut status_mut_ref: &mut StatusPacket = (&mut owned).try_into().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let mut status_mut_view: &mut StatusPacket = pref.try_into().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:275:13
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let mut status_mut_view: &mut StatusPacket = (&mut owned).try_into().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "93420715fce51c96bb54a98fe4d7c965523a212b19875223ecd9e79f773fb8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93420715fce51c96bb54a98fe4d7c965523a212b19875223ecd9e79f773fb8a4", kill_on_drop: false }`
[INFO] [stdout] 93420715fce51c96bb54a98fe4d7c965523a212b19875223ecd9e79f773fb8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4b9d8f21a8e56e573de75496063dd2fe35a810eed76cf318602bc4d1a6b0b75
[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" "c4b9d8f21a8e56e573de75496063dd2fe35a810eed76cf318602bc4d1a6b0b75", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 5 tests
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stdout] test test::call_base_and_sub_methods ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test::test_send ... ok
[INFO] [stderr] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stdout] test test::use_owned_status ... ok
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stderr] 176 | |         Ok(())
[INFO] [stderr] 177 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stderr] 176 | |         Ok(())
[INFO] [stderr] 177 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stderr] 176 | |         Ok(())
[INFO] [stderr] 177 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stderr] 179 | |         Err(PongConvError {})
[INFO] [stderr] 180 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stderr] 179 | |         Err(PongConvError {})
[INFO] [stderr] 180 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stderr] 179 | |         Err(PongConvError {})
[INFO] [stderr] 180 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stderr] 182 | |         Ok(())
[INFO] [stderr] 183 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stderr] 182 | |         Ok(())
[INFO] [stderr] 183 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stderr] 182 | |         Ok(())
[INFO] [stderr] 183 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `subtype_of` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let mut status_mut_ref: &mut StatusPacket = (&mut owned).try_into().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:258:13
[INFO] [stderr]     |
[INFO] [stderr] 258 |         let mut status_mut_view: &mut StatusPacket = pref.try_into().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let mut status_mut_view: &mut StatusPacket = (&mut owned).try_into().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `pcast` (lib test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pcast-da93460b9a1ea29d)
[INFO] [stdout] test test::create_from_immutable_ref ... ok
[INFO] [stderr]    Doc-tests pcast
[INFO] [stdout] test test::send_from_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - subtype_of (line 72) - compile ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - subtype_of (line 72) stdout ----
[INFO] [stdout] error: cannot find macro `subtype_of` in this scope
[INFO] [stdout]  --> src/lib.rs:73:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | subtype_of!(Base => Sub | Error { ... })
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - subtype_of (line 72)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4b9d8f21a8e56e573de75496063dd2fe35a810eed76cf318602bc4d1a6b0b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b9d8f21a8e56e573de75496063dd2fe35a810eed76cf318602bc4d1a6b0b75", kill_on_drop: false }`
[INFO] [stdout] c4b9d8f21a8e56e573de75496063dd2fe35a810eed76cf318602bc4d1a6b0b75