Dec 03 02:35:42.698 INFO testing loggr-0.3.0 against 1.30.1 for beta-1.31-5
Dec 03 02:35:42.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 02:35:43.095 INFO [stdout] f4bc84d7ba899995c0454bc151d0c1158e72f36033c2047c563a9f0933818510
Dec 03 02:35:43.095 INFO running `"docker" "start" "-a" "f4bc84d7ba899995c0454bc151d0c1158e72f36033c2047c563a9f0933818510"`
Dec 03 02:35:43.666 INFO [stderr] usermod: no changes
Dec 03 02:35:43.810 INFO [stderr]    Compiling slot v0.2.5
Dec 03 02:35:43.811 INFO [stderr]    Compiling heap v0.1.0
Dec 03 02:35:43.827 INFO [stderr]    Compiling rel v0.2.0
Dec 03 02:35:43.855 INFO [stderr]    Compiling utf v0.1.4
Dec 03 02:35:43.894 INFO [stderr]    Compiling flags v0.1.2
Dec 03 02:35:43.895 INFO [stderr]    Compiling system-call v0.1.1
Dec 03 02:35:43.895 INFO [stderr]    Compiling syscall v0.2.1
Dec 03 02:35:43.895 INFO [stderr]    Compiling rm v0.3.2
Dec 03 02:35:44.046 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 02:35:44.047 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.5/src/lib.rs:3:1
Dec 03 02:35:44.047 INFO [stderr]   |
Dec 03 02:35:44.047 INFO [stderr] 3 | #![feature(const_fn)]
Dec 03 02:35:44.047 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 02:35:44.047 INFO [stderr] 
Dec 03 02:35:44.047 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 02:35:44.047 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.5/src/lib.rs:4:1
Dec 03 02:35:44.047 INFO [stderr]   |
Dec 03 02:35:44.047 INFO [stderr] 4 | #![feature(const_fn_union)]
Dec 03 02:35:44.047 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 02:35:44.047 INFO [stderr] 
Dec 03 02:35:44.047 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 02:35:44.047 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.5/src/lib.rs:5:1
Dec 03 02:35:44.047 INFO [stderr]   |
Dec 03 02:35:44.047 INFO [stderr] 5 | #![feature(untagged_unions)]
Dec 03 02:35:44.047 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 02:35:44.047 INFO [stderr] 
Dec 03 02:35:44.047 INFO [stderr] error: aborting due to 3 previous errors
Dec 03 02:35:44.047 INFO [stderr] 
Dec 03 02:35:44.047 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:35:44.066 INFO [stderr] error: Could not compile `slot`.
Dec 03 02:35:44.067 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 02:35:44.152 INFO [stderr] error[E0658]: const fn is unstable (see issue #53555)
Dec 03 02:35:44.152 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/flags-0.1.2/src/lib.rs:489:13
Dec 03 02:35:44.152 INFO [stderr]     |
Dec 03 02:35:44.153 INFO [stderr] 489 | /             pub const fn empty() -> $BitFlags {
Dec 03 02:35:44.153 INFO [stderr] 490 | |                 $BitFlags { bits: 0 }
Dec 03 02:35:44.153 INFO [stderr] 491 | |             }
Dec 03 02:35:44.153 INFO [stderr]     | |_____________^
Dec 03 02:35:44.154 INFO [stderr]     | 
Dec 03 02:35:44.154 INFO [stderr]    ::: /cargo-home/registry/src/github.com-1ecc6299db9ec823/flags-0.1.2/src/example_generated.rs:4:1
Dec 03 02:35:44.154 INFO [stderr]     |
Dec 03 02:35:44.154 INFO [stderr] 4   | / bitflags! {
Dec 03 02:35:44.155 INFO [stderr] 5   | |     /// This is the same `Flags` struct defined in the [crate level example](../index.html#example).
Dec 03 02:35:44.155 INFO [stderr] 6   | |     /// Note that this struct is just for documentation purposes only, it must not be used outside
Dec 03 02:35:44.155 INFO [stderr] 7   | |     /// this crate.
Dec 03 02:35:44.156 INFO [stderr] ...   |
Dec 03 02:35:44.156 INFO [stderr] 13  | |     }
Dec 03 02:35:44.156 INFO [stderr] 14  | | }
Dec 03 02:35:44.156 INFO [stderr]     | |_- in this macro invocation
Dec 03 02:35:44.156 INFO [stderr] 
Dec 03 02:35:44.159 INFO [stderr] error[E0658]: const fn is unstable (see issue #53555)
Dec 03 02:35:44.159 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/flags-0.1.2/src/lib.rs:519:13
Dec 03 02:35:44.159 INFO [stderr]     |
Dec 03 02:35:44.159 INFO [stderr] 519 | /             pub const fn bits(&self) -> $T {
Dec 03 02:35:44.159 INFO [stderr] 520 | |                 self.bits
Dec 03 02:35:44.159 INFO [stderr] 521 | |             }
Dec 03 02:35:44.159 INFO [stderr]     | |_____________^
Dec 03 02:35:44.159 INFO [stderr]     | 
Dec 03 02:35:44.159 INFO [stderr]    ::: /cargo-home/registry/src/github.com-1ecc6299db9ec823/flags-0.1.2/src/example_generated.rs:4:1
Dec 03 02:35:44.159 INFO [stderr]     |
Dec 03 02:35:44.159 INFO [stderr] 4   | / bitflags! {
Dec 03 02:35:44.159 INFO [stderr] 5   | |     /// This is the same `Flags` struct defined in the [crate level example](../index.html#example).
Dec 03 02:35:44.159 INFO [stderr] 6   | |     /// Note that this struct is just for documentation purposes only, it must not be used outside
Dec 03 02:35:44.159 INFO [stderr] 7   | |     /// this crate.
Dec 03 02:35:44.159 INFO [stderr] ...   |
Dec 03 02:35:44.159 INFO [stderr] 13  | |     }
Dec 03 02:35:44.159 INFO [stderr] 14  | | }
Dec 03 02:35:44.159 INFO [stderr]     | |_- in this macro invocation
Dec 03 02:35:44.159 INFO [stderr] 
Dec 03 02:35:44.160 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 02:35:44.160 INFO [stderr] 
Dec 03 02:35:44.160 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 03 02:35:44.183 INFO [stderr] error: Could not compile `flags`.
Dec 03 02:35:44.183 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 02:35:44.199 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 02:35:44.199 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/system-call-0.1.1/src/lib.rs:15:1
Dec 03 02:35:44.199 INFO [stderr]    |
Dec 03 02:35:44.200 INFO [stderr] 15 | #![feature(asm)]
Dec 03 02:35:44.200 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 03 02:35:44.200 INFO [stderr] 
Dec 03 02:35:44.200 INFO [stderr] error: aborting due to previous error
Dec 03 02:35:44.207 INFO [stderr] 
Dec 03 02:35:44.207 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:35:44.208 INFO [stderr] error: Could not compile `system-call`.
Dec 03 02:35:44.208 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 02:35:44.239 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 02:35:44.239 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.1/src/lib.rs:15:1
Dec 03 02:35:44.240 INFO [stderr]    |
Dec 03 02:35:44.240 INFO [stderr] 15 | #![feature(asm)]
Dec 03 02:35:44.240 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 03 02:35:44.240 INFO [stderr] 
Dec 03 02:35:44.243 INFO [stderr] error: aborting due to previous error
Dec 03 02:35:44.243 INFO [stderr] 
Dec 03 02:35:44.243 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:35:44.243 INFO [stderr] error: Could not compile `syscall`.
Dec 03 02:35:44.243 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 02:35:44.432 INFO [stderr] error: build failed
Dec 03 02:35:44.434 INFO [stderr] su: No module specific data is present
Dec 03 02:35:45.031 INFO running `"docker" "inspect" "f4bc84d7ba899995c0454bc151d0c1158e72f36033c2047c563a9f0933818510"`
Dec 03 02:35:45.257 INFO running `"docker" "rm" "-f" "f4bc84d7ba899995c0454bc151d0c1158e72f36033c2047c563a9f0933818510"`
Dec 03 02:35:45.535 INFO [stdout] f4bc84d7ba899995c0454bc151d0c1158e72f36033c2047c563a9f0933818510