[INFO] fetching crate mmime 0.1.2...
[INFO] testing mmime-0.1.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate mmime 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mmime 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mmime 0.1.2
[INFO] finished tweaking crates.io crate mmime 0.1.2
[INFO] tweaked toml for crates.io crate mmime 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4048bb54fa9d778acd1283f7d14db73f23f7363ca21287f0a03313a728c474b
[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" "e4048bb54fa9d778acd1283f7d14db73f23f7363ca21287f0a03313a728c474b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4048bb54fa9d778acd1283f7d14db73f23f7363ca21287f0a03313a728c474b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4048bb54fa9d778acd1283f7d14db73f23f7363ca21287f0a03313a728c474b", kill_on_drop: false }`
[INFO] [stdout] e4048bb54fa9d778acd1283f7d14db73f23f7363ca21287f0a03313a728c474b
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e847287fbe245b2624c0d02671040c8e9e874c2d8fbb8037e079c1624c138b27
[INFO] running `Command { std: "docker" "start" "-a" "e847287fbe245b2624c0d02671040c8e9e874c2d8fbb8037e079c1624c138b27", kill_on_drop: false }`
[INFO] [stderr]    Compiling charset v0.1.2
[INFO] [stderr]    Compiling mmime v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(extern_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_raw_ptr_to_usize_cast)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(ptr_wrapping_offset_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailimf_write_generic.rs:426:26
[INFO] [stdout]     |
[INFO] [stdout] 426 |                     if p.wrapping_offset_from(word_begin) as libc::c_int
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailimf_write_generic.rs:454:27
[INFO] [stdout]     |
[INFO] [stdout] 454 |                         p.wrapping_offset_from(word_begin) as libc::c_int as size_t,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailimf_write_generic.rs:459:26
[INFO] [stdout]     |
[INFO] [stdout] 459 |                     if p.wrapping_offset_from(word_begin) as libc::c_int + *col as libc::c_int
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailimf_write_generic.rs:467:31
[INFO] [stdout]     |
[INFO] [stdout] 467 | ...                   p.wrapping_offset_from(word_begin) as libc::c_int as size_t,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailimf_write_generic.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |         if p.wrapping_offset_from(word_begin) as libc::c_int + *col as libc::c_int
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailimf_write_generic.rs:513:15
[INFO] [stdout]     |
[INFO] [stdout] 513 |             p.wrapping_offset_from(word_begin) as libc::c_int as size_t,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]    --> src/mailmime_content.rs:949:29
[INFO] [stdout]     |
[INFO] [stdout] 949 |     *result_size = end_text.wrapping_offset_from(begin_text) as size_t;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wrapping_offset_from` found for raw pointer `*const i8` in the current scope
[INFO] [stdout]     --> src/mailmime_content.rs:1184:29
[INFO] [stdout]      |
[INFO] [stdout] 1184 |     *result_size = end_text.wrapping_offset_from(begin_text) as size_t;
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `wrapping_offset`
[INFO] [stdout]      |
[INFO] [stdout]      = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]      = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmime`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e847287fbe245b2624c0d02671040c8e9e874c2d8fbb8037e079c1624c138b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e847287fbe245b2624c0d02671040c8e9e874c2d8fbb8037e079c1624c138b27", kill_on_drop: false }`
[INFO] [stdout] e847287fbe245b2624c0d02671040c8e9e874c2d8fbb8037e079c1624c138b27
