[INFO] updating cached repository https://github.com/Tobba/coreio
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39c4cdaf595e20c5723be2b24d922898e944ae3f
[INFO] checking Tobba/coreio against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobba%2Fcoreio" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tobba/coreio on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tobba/coreio
[INFO] finished tweaking git repo https://github.com/Tobba/coreio
[INFO] tweaked toml for git repo https://github.com/Tobba/coreio written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Tobba/coreio already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b07f2b61c4351a4a28714a78d5575ff2bd8643a018f7058a93593e6fc029911
[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" "0b07f2b61c4351a4a28714a78d5575ff2bd8643a018f7058a93593e6fc029911"`
[INFO] [stderr]     Checking coreio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `core::slice::bytes`
[INFO] [stderr]  --> lib.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::slice::bytes::copy_memory;
[INFO] [stderr]   |                  ^^^^^ could not find `bytes` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> lib.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn read_all<E=<Self as Read>::Err>(&mut self, buf: &mut [u8]) -> Result<(), E> where E: From<Self::Err> + From<EndOfFile> {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(invalid_type_param_default)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> lib.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn write_all<E=<Self as Write>::Err>(&mut self, mut buf: &[u8]) -> Result<(), E> where E: From<Self::Err> + From<EndOfFile> {
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> lib.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read_all<E=<Self as Read>::Err>(&mut self, buf: &mut [u8]) -> Result<(), E> where E: From<R::Err> + From<EndOfFile> {
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> lib.rs:148:15
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn write_all<E=<Self as Write>::Err>(&mut self, buf: &[u8]) -> Result<(), E> where E: From<W::Err> + From<EndOfFile> {
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `coreio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `core::slice::bytes`
[INFO] [stderr]  --> lib.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::slice::bytes::copy_memory;
[INFO] [stderr]   |                  ^^^^^ could not find `bytes` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> lib.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn read_all<E=<Self as Read>::Err>(&mut self, buf: &mut [u8]) -> Result<(), E> where E: From<Self::Err> + From<EndOfFile> {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[deny(invalid_type_param_default)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> lib.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn write_all<E=<Self as Write>::Err>(&mut self, mut buf: &[u8]) -> Result<(), E> where E: From<Self::Err> + From<EndOfFile> {
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> lib.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read_all<E=<Self as Read>::Err>(&mut self, buf: &mut [u8]) -> Result<(), E> where E: From<R::Err> + From<EndOfFile> {
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> lib.rs:148:15
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn write_all<E=<Self as Write>::Err>(&mut self, buf: &[u8]) -> Result<(), E> where E: From<W::Err> + From<EndOfFile> {
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `coreio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0b07f2b61c4351a4a28714a78d5575ff2bd8643a018f7058a93593e6fc029911"`
[INFO] running `"docker" "rm" "-f" "0b07f2b61c4351a4a28714a78d5575ff2bd8643a018f7058a93593e6fc029911"`
[INFO] [stdout] 0b07f2b61c4351a4a28714a78d5575ff2bd8643a018f7058a93593e6fc029911