[INFO] fetching crate bitvec 0.19.2... [INFO] checking bitvec-0.19.2 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate bitvec 0.19.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate bitvec 0.19.2 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitvec 0.19.2 [INFO] finished tweaking crates.io crate bitvec 0.19.2 [INFO] tweaked toml for crates.io crate bitvec 0.19.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate bitvec 0.19.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 440cdeb86b3e9358418e99f8f239f190f6f70562f861990a16f9042f3e5de07e [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" "440cdeb86b3e9358418e99f8f239f190f6f70562f861990a16f9042f3e5de07e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "440cdeb86b3e9358418e99f8f239f190f6f70562f861990a16f9042f3e5de07e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "440cdeb86b3e9358418e99f8f239f190f6f70562f861990a16f9042f3e5de07e", kill_on_drop: false }` [INFO] [stdout] 440cdeb86b3e9358418e99f8f239f190f6f70562f861990a16f9042f3e5de07e [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=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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d151d6d9266a3944598b5934b4920fc80e9ec03303b270b905c1c7699e370afd [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" "d151d6d9266a3944598b5934b4920fc80e9ec03303b270b905c1c7699e370afd", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling radium v0.5.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking funty v1.0.1 [INFO] [stderr] Checking tap v1.0.0 [INFO] [stderr] Checking bitvec v0.19.2 (/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:1782:25 [INFO] [stdout] | [INFO] [stdout] 1782 | 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:1855:25 [INFO] [stdout] | [INFO] [stdout] 1855 | 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] 468 | 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] 468 | 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] 469 | 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] 469 | 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] 470 | 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] 470 | 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] 471 | 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] 471 | 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 v1.0.116 [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:1782:25 [INFO] [stdout] | [INFO] [stdout] 1782 | 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:1855:25 [INFO] [stdout] | [INFO] [stdout] 1855 | 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] 468 | 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] 468 | 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] 469 | 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] 469 | 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] 470 | 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] 470 | 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] 471 | 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] 471 | 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 22.92s [INFO] running `Command { std: "docker" "inspect" "d151d6d9266a3944598b5934b4920fc80e9ec03303b270b905c1c7699e370afd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d151d6d9266a3944598b5934b4920fc80e9ec03303b270b905c1c7699e370afd", kill_on_drop: false }` [INFO] [stdout] d151d6d9266a3944598b5934b4920fc80e9ec03303b270b905c1c7699e370afd