[INFO] fetching crate scapegoat 2.3.0...
[INFO] checking scapegoat-2.3.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate scapegoat 2.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate scapegoat 2.3.0
[INFO] finished tweaking crates.io crate scapegoat 2.3.0
[INFO] tweaked toml for crates.io crate scapegoat 2.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scapegoat 2.3.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scapegoat 2.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2176eeab58f52a782da7c0893038737569f91b662258a68a7492b089792146e
[INFO] running `Command { std: "docker" "start" "-a" "c2176eeab58f52a782da7c0893038737569f91b662258a68a7492b089792146e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2176eeab58f52a782da7c0893038737569f91b662258a68a7492b089792146e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2176eeab58f52a782da7c0893038737569f91b662258a68a7492b089792146e", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b1bf5f24cb6fe7f6780e3ee7657d79e5854eb1259fd7f8f80755882af7b814
[INFO] running `Command { std: "docker" "start" "-a" "01b1bf5f24cb6fe7f6780e3ee7657d79e5854eb1259fd7f8f80755882af7b814", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.133
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[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling cast v0.2.7
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking scapegoat v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/lib.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 | #![cfg_attr(not(any(test, fuzzing)), no_std)]
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/lib.rs:201:27
[INFO] [stdout]     |
[INFO] [stdout] 201 | #![cfg_attr(not(any(test, fuzzing)), deny(missing_docs))]
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/lib.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 | #[cfg(fuzzing)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]  --> src/tree/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(fuzzing)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]   --> src/tree/mod.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(fuzzing)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]    --> src/lib.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub use macros::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:737:23
[INFO] [stdout]     |
[INFO] [stdout] 737 |     pub fn difference(&self, other: &SgSet<T, N>) -> Difference<T, N>
[INFO] [stdout]     |                       ^^^^^                          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 737 |     pub fn difference(&self, other: &SgSet<T, N>) -> Difference<'_, T, N>
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:770:74
[INFO] [stdout]     |
[INFO] [stdout] 770 |     pub fn symmetric_difference<'a>(&'a self, other: &'a SgSet<T, N>) -> SymmetricDifference<T, N>
[INFO] [stdout]     |                                      --               --                 ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                      |                |
[INFO] [stdout]     |                                      |                the lifetime is named here
[INFO] [stdout]     |                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 770 |     pub fn symmetric_difference<'a>(&'a self, other: &'a SgSet<T, N>) -> SymmetricDifference<'a, T, N>
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:795:25
[INFO] [stdout]     |
[INFO] [stdout] 795 |     pub fn intersection(&self, other: &SgSet<T, N>) -> Intersection<T, N>
[INFO] [stdout]     |                         ^^^^^                          ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 795 |     pub fn intersection(&self, other: &SgSet<T, N>) -> Intersection<'_, T, N>
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:826:59
[INFO] [stdout]     |
[INFO] [stdout] 826 |     pub fn union<'a>(&'a self, other: &'a SgSet<T, N>) -> Union<T, N>
[INFO] [stdout]     |                       --               --                 ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |                |
[INFO] [stdout]     |                       |                the lifetime is named here
[INFO] [stdout]     |                       the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 826 |     pub fn union<'a>(&'a self, other: &'a SgSet<T, N>) -> Union<'a, T, N>
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: fields `get_idxs` and `remove_idxs` are never read
[INFO] [stdout]   --> benches/test_data.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct RandTestData {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 10 |     pub keys: Vec<usize>,
[INFO] [stdout] 11 |     pub get_idxs: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub remove_idxs: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `get_idxs` and `remove_idxs` are never read
[INFO] [stdout]   --> benches/test_data.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct SeqTestData {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 48 |     pub keys: Vec<usize>,
[INFO] [stdout] 49 |     pub get_idxs: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 50 |     pub remove_idxs: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandTestData` is never constructed
[INFO] [stdout]  --> benches/test_data.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct RandTestData {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> benches/test_data.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl RandTestData {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SeqTestData` is never constructed
[INFO] [stdout]   --> benches/test_data.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct SeqTestData {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> benches/test_data.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl SeqTestData {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 54 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/lib.rs:200:27
[INFO] [stdout]     |
[INFO] [stdout] 200 | #![cfg_attr(not(any(test, fuzzing)), no_std)]
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/lib.rs:201:27
[INFO] [stdout]     |
[INFO] [stdout] 201 | #![cfg_attr(not(any(test, fuzzing)), deny(missing_docs))]
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/lib.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 | #[cfg(fuzzing)]
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]  --> src/tree/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(fuzzing)]
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]   --> src/tree/mod.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(fuzzing)]
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(fuzzing)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]    --> src/lib.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 | pub use macros::*;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:737:23
[INFO] [stdout]     |
[INFO] [stdout] 737 |     pub fn difference(&self, other: &SgSet<T, N>) -> Difference<T, N>
[INFO] [stdout]     |                       ^^^^^                          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 737 |     pub fn difference(&self, other: &SgSet<T, N>) -> Difference<'_, T, N>
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:770:74
[INFO] [stdout]     |
[INFO] [stdout] 770 |     pub fn symmetric_difference<'a>(&'a self, other: &'a SgSet<T, N>) -> SymmetricDifference<T, N>
[INFO] [stdout]     |                                      --               --                 ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                      |                |
[INFO] [stdout]     |                                      |                the lifetime is named here
[INFO] [stdout]     |                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 770 |     pub fn symmetric_difference<'a>(&'a self, other: &'a SgSet<T, N>) -> SymmetricDifference<'a, T, N>
[INFO] [stdout]     |                                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:795:25
[INFO] [stdout]     |
[INFO] [stdout] 795 |     pub fn intersection(&self, other: &SgSet<T, N>) -> Intersection<T, N>
[INFO] [stdout]     |                         ^^^^^                          ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 795 |     pub fn intersection(&self, other: &SgSet<T, N>) -> Intersection<'_, T, N>
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/set.rs:826:59
[INFO] [stdout]     |
[INFO] [stdout] 826 |     pub fn union<'a>(&'a self, other: &'a SgSet<T, N>) -> Union<T, N>
[INFO] [stdout]     |                       --               --                 ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |                |
[INFO] [stdout]     |                       |                the lifetime is named here
[INFO] [stdout]     |                       the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 826 |     pub fn union<'a>(&'a self, other: &'a SgSet<T, N>) -> Union<'a, T, N>
[INFO] [stdout]     |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "01b1bf5f24cb6fe7f6780e3ee7657d79e5854eb1259fd7f8f80755882af7b814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b1bf5f24cb6fe7f6780e3ee7657d79e5854eb1259fd7f8f80755882af7b814", kill_on_drop: false }`
[INFO] [stdout] 01b1bf5f24cb6fe7f6780e3ee7657d79e5854eb1259fd7f8f80755882af7b814
