[INFO] crate runtime-fmt 0.3.0 is already in cache [INFO] extracting crate runtime-fmt 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/runtime-fmt/0.3.0 [INFO] extracting crate runtime-fmt 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/runtime-fmt/0.3.0 [INFO] validating manifest of runtime-fmt-0.3.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of runtime-fmt-0.3.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing runtime-fmt-0.3.0 [INFO] finished frobbing runtime-fmt-0.3.0 [INFO] frobbed toml for runtime-fmt-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/runtime-fmt/0.3.0/Cargo.toml [INFO] started frobbing runtime-fmt-0.3.0 [INFO] finished frobbing runtime-fmt-0.3.0 [INFO] frobbed toml for runtime-fmt-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/runtime-fmt/0.3.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing runtime-fmt-0.3.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/runtime-fmt/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 89111625d90e11ef871ff2cc1a9e4467eb25f9107b9d59a640844f8bfcc0f7f3 [INFO] running `"docker" "start" "-a" "89111625d90e11ef871ff2cc1a9e4467eb25f9107b9d59a640844f8bfcc0f7f3"` [INFO] [stderr] Compiling runtime-fmt v0.3.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | #![feature(fmt_internals)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | #![feature(conservative_impl_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | #![feature(print_internals)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | #![feature(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/codegen.rs:30:40 [INFO] [stderr] | [INFO] [stderr] 30 | impl Specialized for $name { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn $name` [INFO] [stderr] ... [INFO] [stderr] 60 | / impl_format_trait! { [INFO] [stderr] 61 | | Display, Debug, LowerExp, UpperExp, Octal, Pointer, Binary, LowerHex, [INFO] [stderr] 62 | | UpperHex, [INFO] [stderr] 63 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/codegen.rs:39:47 [INFO] [stderr] | [INFO] [stderr] 39 | impl Specialized for $name { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn $name` [INFO] [stderr] ... [INFO] [stderr] 60 | / impl_format_trait! { [INFO] [stderr] 61 | | Display, Debug, LowerExp, UpperExp, Octal, Pointer, Binary, LowerHex, [INFO] [stderr] 62 | | UpperHex, [INFO] [stderr] 63 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/codegen.rs:48:34 [INFO] [stderr] | [INFO] [stderr] 48 | impl FormatTrait for $name { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn $name` [INFO] [stderr] ... [INFO] [stderr] 60 | / impl_format_trait! { [INFO] [stderr] 61 | | Display, Debug, LowerExp, UpperExp, Octal, Pointer, Binary, LowerHex, [INFO] [stderr] 62 | | UpperHex, [INFO] [stderr] 63 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/codegen.rs:30:40 [INFO] [stderr] | [INFO] [stderr] 30 | impl Specialized for $name { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn $name` [INFO] [stderr] ... [INFO] [stderr] 60 | / impl_format_trait! { [INFO] [stderr] 61 | | Display, Debug, LowerExp, UpperExp, Octal, Pointer, Binary, LowerHex, [INFO] [stderr] 62 | | UpperHex, [INFO] [stderr] 63 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/erase.rs:71:53 [INFO] [stderr] | [INFO] [stderr] 71 | $string => match T::get_child::(idx) { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn fmt::$upper` [INFO] [stderr] ... [INFO] [stderr] 85 | / traits! { [INFO] [stderr] 86 | | "", Display, display; [INFO] [stderr] 87 | | "?", Debug, debug; [INFO] [stderr] 88 | | "e", LowerExp, lower_exp; [INFO] [stderr] ... | [INFO] [stderr] 94 | | "X", UpperHex, upper_hex; [INFO] [stderr] 95 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:95:32 [INFO] [stderr] | [INFO] [stderr] 95 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:134:16 [INFO] [stderr] | [INFO] [stderr] 134 | value: &'a erase::Format, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn erase::Format` [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'unicode_internals' [INFO] [stderr] --> src/fmt_macros.rs:422:34 [INFO] [stderr] | [INFO] [stderr] 422 | Some(&(pos, c)) if c.is_xid_start() => { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'unicode_internals' [INFO] [stderr] --> src/fmt_macros.rs:431:18 [INFO] [stderr] | [INFO] [stderr] 431 | if c.is_xid_continue() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `runtime-fmt`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "89111625d90e11ef871ff2cc1a9e4467eb25f9107b9d59a640844f8bfcc0f7f3"` [INFO] running `"docker" "rm" "-f" "89111625d90e11ef871ff2cc1a9e4467eb25f9107b9d59a640844f8bfcc0f7f3"` [INFO] [stdout] 89111625d90e11ef871ff2cc1a9e4467eb25f9107b9d59a640844f8bfcc0f7f3