[INFO] fetching crate bitvec 0.18.4... [INFO] checking bitvec-0.18.4 against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153 [INFO] extracting crate bitvec 0.18.4 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate bitvec 0.18.4 on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitvec 0.18.4 [INFO] finished tweaking crates.io crate bitvec 0.18.4 [INFO] tweaked toml for crates.io crate bitvec 0.18.4 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate bitvec 0.18.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_test v1.0.114 [INFO] [stderr] Downloaded radium v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f458b3fe47e191ce6ab24003996a57b5237f42cdc6ad8e5ec3618c9832c843f2 [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" "f458b3fe47e191ce6ab24003996a57b5237f42cdc6ad8e5ec3618c9832c843f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f458b3fe47e191ce6ab24003996a57b5237f42cdc6ad8e5ec3618c9832c843f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f458b3fe47e191ce6ab24003996a57b5237f42cdc6ad8e5ec3618c9832c843f2", kill_on_drop: false }` [INFO] [stdout] f458b3fe47e191ce6ab24003996a57b5237f42cdc6ad8e5ec3618c9832c843f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 644a74ea7b7aca0fecf6b3c8674452feb84faa02312aec3da182c292a457c3ff [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" "644a74ea7b7aca0fecf6b3c8674452feb84faa02312aec3da182c292a457c3ff", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling radium v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking bitvec v0.18.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/slice/api.rs:1781:25 [INFO] [stdout] | [INFO] [stdout] 1781 | let shamt = cmp::min(usize::BITS as usize, by); [INFO] [stdout] | ^^^^^^^^^^^ [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/api.rs:1854:25 [INFO] [stdout] | [INFO] [stdout] 1854 | let shamt = cmp::min(usize::BITS as usize, by); [INFO] [stdout] | ^^^^^^^^^^^ [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 469 | fmt!(Binary, b'0', b'b', 1); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 469 | fmt!(Binary, b'0', b'b', 1); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 470 | fmt!(Octal, b'0', b'o', 3); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 470 | fmt!(Octal, b'0', b'o', 3); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 471 | fmt!(LowerHex, b'a', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 471 | fmt!(LowerHex, b'a', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | fmt!(UpperHex, b'A', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | fmt!(UpperHex, b'A', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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] [stderr] Checking serde_test v1.0.114 [INFO] [stdout] warning: 10 warnings emitted [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/slice/api.rs:1781:25 [INFO] [stdout] | [INFO] [stdout] 1781 | let shamt = cmp::min(usize::BITS as usize, by); [INFO] [stdout] | ^^^^^^^^^^^ [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/api.rs:1854:25 [INFO] [stdout] | [INFO] [stdout] 1854 | let shamt = cmp::min(usize::BITS as usize, by); [INFO] [stdout] | ^^^^^^^^^^^ [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 469 | fmt!(Binary, b'0', b'b', 1); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 469 | fmt!(Binary, b'0', b'b', 1); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 470 | fmt!(Octal, b'0', b'o', 3); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 470 | fmt!(Octal, b'0', b'o', 3); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 471 | fmt!(LowerHex, b'a', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 471 | fmt!(LowerHex, b'a', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:381:22 [INFO] [stdout] | [INFO] [stdout] 381 | let mut w: [u8; (usize::BITS as usize / $blksz) + 2] = [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | fmt!(UpperHex, b'A', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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/slice/traits.rs:382:14 [INFO] [stdout] | [INFO] [stdout] 382 | [b'0'; (usize::BITS as usize / $blksz) + 2]; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 472 | fmt!(UpperHex, b'A', b'x', 4); [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 [INFO] [stdout] = help: call with fully qualified syntax `mem::BitMemory::BITS(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::::BITS` [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.70s [INFO] running `Command { std: "docker" "inspect" "644a74ea7b7aca0fecf6b3c8674452feb84faa02312aec3da182c292a457c3ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "644a74ea7b7aca0fecf6b3c8674452feb84faa02312aec3da182c292a457c3ff", kill_on_drop: false }` [INFO] [stdout] 644a74ea7b7aca0fecf6b3c8674452feb84faa02312aec3da182c292a457c3ff