[INFO] fetching crate treena 0.0.5... [INFO] checking treena-0.0.5 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] extracting crate treena 0.0.5 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate treena 0.0.5 [INFO] finished tweaking crates.io crate treena 0.0.5 [INFO] tweaked toml for crates.io crate treena 0.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate treena 0.0.5 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8d50813f978e910d2465c1bb56a18873ee3a6a8f2646ca2d890db26551cdfd9c [INFO] running `Command { std: "docker" "start" "-a" "8d50813f978e910d2465c1bb56a18873ee3a6a8f2646ca2d890db26551cdfd9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8d50813f978e910d2465c1bb56a18873ee3a6a8f2646ca2d890db26551cdfd9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d50813f978e910d2465c1bb56a18873ee3a6a8f2646ca2d890db26551cdfd9c", kill_on_drop: false }` [INFO] [stdout] 8d50813f978e910d2465c1bb56a18873ee3a6a8f2646ca2d890db26551cdfd9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39e2af3f46fa813d93648e1f7f1581f720802dfce395a739024f0becdaffd36a [INFO] running `Command { std: "docker" "start" "-a" "39e2af3f46fa813d93648e1f7f1581f720802dfce395a739024f0becdaffd36a", kill_on_drop: false }` [INFO] [stderr] Checking treena v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | define_internal_id_type!(NodeIdU8, crate::nonmax::NonMaxU8, "u8"); [INFO] [stdout] | ----------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | define_internal_id_type!(NodeIdU8, crate::nonmax::NonMaxU8, "u8"); [INFO] [stdout] | ----------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | define_internal_id_type!(NodeIdU16, crate::nonmax::NonMaxU16, "u16"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | define_internal_id_type!(NodeIdU16, crate::nonmax::NonMaxU16, "u16"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | define_internal_id_type!(NodeIdU32, crate::nonmax::NonMaxU32, "u32"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | define_internal_id_type!(NodeIdU32, crate::nonmax::NonMaxU32, "u32"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | define_internal_id_type!(NodeIdU64, crate::nonmax::NonMaxU64, "u64"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | define_internal_id_type!(NodeIdU64, crate::nonmax::NonMaxU64, "u64"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | define_internal_id_type!(NodeIdUsize, crate::nonmax::NonMaxUsize, "usize"); [INFO] [stdout] | -------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | define_internal_id_type!(NodeIdUsize, crate::nonmax::NonMaxUsize, "usize"); [INFO] [stdout] | -------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | define_internal_id_type!(NodeIdU8, crate::nonmax::NonMaxU8, "u8"); [INFO] [stdout] | ----------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | define_internal_id_type!(NodeIdU8, crate::nonmax::NonMaxU8, "u8"); [INFO] [stdout] | ----------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | define_internal_id_type!(NodeIdU16, crate::nonmax::NonMaxU16, "u16"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | define_internal_id_type!(NodeIdU16, crate::nonmax::NonMaxU16, "u16"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | define_internal_id_type!(NodeIdU32, crate::nonmax::NonMaxU32, "u32"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | define_internal_id_type!(NodeIdU32, crate::nonmax::NonMaxU32, "u32"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | define_internal_id_type!(NodeIdU64, crate::nonmax::NonMaxU64, "u64"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 136 | define_internal_id_type!(NodeIdU64, crate::nonmax::NonMaxU64, "u64"); [INFO] [stdout] | -------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | define_internal_id_type!(NodeIdUsize, crate::nonmax::NonMaxUsize, "usize"); [INFO] [stdout] | -------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/dynamic/id.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | define_internal_id_type!(NodeIdUsize, crate::nonmax::NonMaxUsize, "usize"); [INFO] [stdout] | -------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions [INFO] [stdout] = note: this warning originates in the macro `define_internal_id_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dynamic/hierarchy.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 237 | let mut nbs = self [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dynamic/hierarchy.rs:324:13 [INFO] [stdout] | [INFO] [stdout] 324 | let mut nbs = self [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dynamic/hierarchy.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 237 | let mut nbs = self [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/dynamic/hierarchy.rs:324:13 [INFO] [stdout] | [INFO] [stdout] 324 | let mut nbs = self [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/dynamic/forest.rs:2051:9 [INFO] [stdout] | [INFO] [stdout] 2051 | / assert_eq!( [INFO] [stdout] 2052 | | container0.inner_fn_addr(), [INFO] [stdout] 2053 | | container1.inner_fn_addr(), [INFO] [stdout] 2054 | | "inner functions must have the same address \ [INFO] [stdout] 2055 | | while the outer functions are different" [INFO] [stdout] 2056 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "39e2af3f46fa813d93648e1f7f1581f720802dfce395a739024f0becdaffd36a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39e2af3f46fa813d93648e1f7f1581f720802dfce395a739024f0becdaffd36a", kill_on_drop: false }` [INFO] [stdout] 39e2af3f46fa813d93648e1f7f1581f720802dfce395a739024f0becdaffd36a