[INFO] crate pcast 0.3.0 is already in cache
[INFO] checking pcast-0.3.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate pcast 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pcast 0.3.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5b5ce25557ee006fdde8bcbf08b37e7b251b27b79783a815a8dda21149b2e422
[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" "5b5ce25557ee006fdde8bcbf08b37e7b251b27b79783a815a8dda21149b2e422"`
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking pcast v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stderr] 176 | |         Ok(())
[INFO] [stderr] 177 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stderr] 176 | |         Ok(())
[INFO] [stderr] 177 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 | /     subtype_of!(Packet => PingPacket | ConversionError {
[INFO] [stderr] 176 | |         Ok(())
[INFO] [stderr] 177 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stderr] 179 | |         Err(PongConvError {})
[INFO] [stderr] 180 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stderr] 179 | |         Err(PongConvError {})
[INFO] [stderr] 180 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 | /     subtype_of!(Packet => PongPacket | PongConvError {
[INFO] [stderr] 179 | |         Err(PongConvError {})
[INFO] [stderr] 180 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(&base));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stderr] 182 | |         Ok(())
[INFO] [stderr] 183 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                   try!($crate::SubtypeCheck::<$base, $sub, $cerr>::check_is_valid_subtype(base_ref));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 | /     subtype_of!(Packet => StatusPacket | () {
[INFO] [stderr] 182 | |         Ok(())
[INFO] [stderr] 183 | |     });
[INFO] [stderr]     | |_______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                   try!($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 a macro (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]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "5b5ce25557ee006fdde8bcbf08b37e7b251b27b79783a815a8dda21149b2e422"`
[INFO] running `"docker" "rm" "-f" "5b5ce25557ee006fdde8bcbf08b37e7b251b27b79783a815a8dda21149b2e422"`
[INFO] [stdout] 5b5ce25557ee006fdde8bcbf08b37e7b251b27b79783a815a8dda21149b2e422
