[INFO] fetching crate compiler_builtins 0.1.36...
[INFO] testing compiler_builtins-0.1.36 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate compiler_builtins 0.1.36 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate compiler_builtins 0.1.36 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 compiler_builtins 0.1.36
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate compiler_builtins 0.1.36
[INFO] tweaked toml for crates.io crate compiler_builtins 0.1.36 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate compiler_builtins 0.1.36 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46a341c8a3767ac3b90ae108991edd995f0536867f89c8b57c176432d7d6e5d1
[INFO] running `Command { std: "docker" "start" "-a" "46a341c8a3767ac3b90ae108991edd995f0536867f89c8b57c176432d7d6e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a341c8a3767ac3b90ae108991edd995f0536867f89c8b57c176432d7d6e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a341c8a3767ac3b90ae108991edd995f0536867f89c8b57c176432d7d6e5d1", kill_on_drop: false }`
[INFO] [stdout] 46a341c8a3767ac3b90ae108991edd995f0536867f89c8b57c176432d7d6e5d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 09776999af1fed9e750f80ed3ba787ef2af421c38ccb1c5e4ce85f48c56cbc75
[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" "09776999af1fed9e750f80ed3ba787ef2af421c38ccb1c5e4ce85f48c56cbc75", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.36 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(abi_unadjusted)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(llvm_asm)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(global_asm)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(cfg_target_has_atomic)]
[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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(compiler_builtins)]
[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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(core_intrinsics)]
[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:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(lang_items)]
[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:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(linkage)]
[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(naked_functions)]
[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(repr_simd)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/float/conv.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let n = <$ity>::BITS;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |         int_to_float!(i, i32, f32)
[INFO] [stdout]    |         -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/float/conv.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |         int_to_float!(i, i32, f32)
[INFO] [stdout]    |         -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/float/conv.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let n = <$ity>::BITS;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |         int_to_float!(i, i32, f64)
[INFO] [stdout]    |         -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/float/conv.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |         int_to_float!(i, i32, f64)
[INFO] [stdout]    |         -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/float/conv.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let n = <$ity>::BITS;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |             int_to_float!(i, i64, f32)
[INFO] [stdout]    |             -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/float/conv.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98 |             int_to_float!(i, i64, f32)
[INFO] [stdout]    |             -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |             int_to_float!(i, i64, f64)
[INFO] [stdout]     |             -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |             int_to_float!(i, i64, f64)
[INFO] [stdout]     |             -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         int_to_float!(i, i128, f32)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         int_to_float!(i, i128, f32)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |         int_to_float!(i, i128, f64)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |         int_to_float!(i, i128, f64)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         int_to_float!(i, u32, f32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         int_to_float!(i, u32, f32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |         int_to_float!(i, u32, f64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |         int_to_float!(i, u32, f64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |         int_to_float!(i, u64, f32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |         int_to_float!(i, u64, f32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |         int_to_float!(i, u64, f64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |         int_to_float!(i, u64, f64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         int_to_float!(i, u128, f32)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         int_to_float!(i, u128, f32)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         let n = <$ity>::BITS;
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |         int_to_float!(i, u128, f64)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout] 24  |         if <$ity>::BITS < mant_dig {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |         int_to_float!(i, u128, f64)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |         float_to_int!(f, f32, i32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 235 |         float_to_int!(f, f32, i64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |         float_to_int!(f, f32, i128)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |         float_to_int!(f, f64, i32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 250 |         float_to_int!(f, f64, i64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |         float_to_int!(f, f64, i128)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |         float_to_int!(f, f32, u32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 265 |         float_to_int!(f, f32, u64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |         float_to_int!(f, f32, u128)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |         float_to_int!(f, f64, u32)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 280 |         float_to_int!(f, f64, u64)
[INFO] [stdout]     |         -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/float/conv.rs:168:27
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let fixint_bits = <$ity>::BITS as usize;
[INFO] [stdout]     |                           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 285 |         float_to_int!(f, f64, u128)
[INFO] [stdout]     |         --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `Int::BITS(...)` to keep using the current method
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler_builtins`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "09776999af1fed9e750f80ed3ba787ef2af421c38ccb1c5e4ce85f48c56cbc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09776999af1fed9e750f80ed3ba787ef2af421c38ccb1c5e4ce85f48c56cbc75", kill_on_drop: false }`
[INFO] [stdout] 09776999af1fed9e750f80ed3ba787ef2af421c38ccb1c5e4ce85f48c56cbc75
