[INFO] fetching crate int-range-ext 0.1.0...
[INFO] testing int-range-ext-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate int-range-ext 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate int-range-ext 0.1.0
[INFO] finished tweaking crates.io crate int-range-ext 0.1.0
[INFO] tweaked toml for crates.io crate int-range-ext 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate int-range-ext 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 566e636fae664562c5518c9e701dcdf9e307e6a310009b2d4a57e75c5e441d4a
[INFO] running `Command { std: "docker" "start" "-a" "566e636fae664562c5518c9e701dcdf9e307e6a310009b2d4a57e75c5e441d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "566e636fae664562c5518c9e701dcdf9e307e6a310009b2d4a57e75c5e441d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566e636fae664562c5518c9e701dcdf9e307e6a310009b2d4a57e75c5e441d4a", kill_on_drop: false }`
[INFO] [stdout] 566e636fae664562c5518c9e701dcdf9e307e6a310009b2d4a57e75c5e441d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63eda3ac7207f553a5aa1d89bbe968e9e366978f00c5455ce9994b3c466f6c1f
[INFO] running `Command { std: "docker" "start" "-a" "63eda3ac7207f553a5aa1d89bbe968e9e366978f00c5455ce9994b3c466f6c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling int-range-ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if self.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:375:17
[INFO] [stdout]     |
[INFO] [stdout] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:375:37
[INFO] [stdout]     |
[INFO] [stdout] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "63eda3ac7207f553a5aa1d89bbe968e9e366978f00c5455ce9994b3c466f6c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63eda3ac7207f553a5aa1d89bbe968e9e366978f00c5455ce9994b3c466f6c1f", kill_on_drop: false }`
[INFO] [stdout] 63eda3ac7207f553a5aa1d89bbe968e9e366978f00c5455ce9994b3c466f6c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927695fc1fbe10ad56f90a1af4f3b4323183e2770f3b37225985aceddc93964d
[INFO] running `Command { std: "docker" "start" "-a" "927695fc1fbe10ad56f90a1af4f3b4323183e2770f3b37225985aceddc93964d", kill_on_drop: false }`
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if self.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling int-range-ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:375:17
[INFO] [stdout]     |
[INFO] [stdout] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:375:37
[INFO] [stdout]     |
[INFO] [stdout] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         if self.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:375:17
[INFO] [stdout]     |
[INFO] [stdout] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:375:37
[INFO] [stdout]     |
[INFO] [stdout] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:477:32
[INFO] [stdout]     |
[INFO] [stdout] 477 |         assert_eq!((..u8::MIN).is_empty(), true);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:478:32
[INFO] [stdout]     |
[INFO] [stdout] 478 |         assert_eq!((u8::MAX..).is_empty(), false);
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stdout]     |
[INFO] [stdout]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "927695fc1fbe10ad56f90a1af4f3b4323183e2770f3b37225985aceddc93964d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927695fc1fbe10ad56f90a1af4f3b4323183e2770f3b37225985aceddc93964d", kill_on_drop: false }`
[INFO] [stdout] 927695fc1fbe10ad56f90a1af4f3b4323183e2770f3b37225985aceddc93964d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c0ef9cb348a4ef118718d02fa50c9d55e0de78b367514b8c0e0964b31980686
[INFO] running `Command { std: "docker" "start" "-a" "8c0ef9cb348a4ef118718d02fa50c9d55e0de78b367514b8c0e0964b31980686", kill_on_drop: false }`
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |         if self.is_empty() {
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:193:37
[INFO] [stderr]     |
[INFO] [stderr] 193 |         if self.is_empty() || other.is_empty() {
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 6 tests
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:375:17
[INFO] [stderr]     |
[INFO] [stderr] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:375:37
[INFO] [stderr]     |
[INFO] [stderr] 375 |         if self.is_empty() || other.is_empty() {
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `int-range-ext` (lib) generated 5 warnings
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:477:32
[INFO] [stderr]     |
[INFO] [stderr] 477 |         assert_eq!((..u8::MIN).is_empty(), true);
[INFO] [stderr]     |                                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:478:32
[INFO] [stderr]     |
[INFO] [stderr] 478 |         assert_eq!((u8::MAX..).is_empty(), false);
[INFO] [stderr]     |                                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IntRangeExt::is_empty(...)` to keep using the current method
[INFO] [stderr] help: add `#![feature(range_bounds_is_empty)]` to the crate attributes to enable `std::ops::RangeBounds::is_empty`
[INFO] [stderr]     |
[INFO] [stderr]   3 + #![feature(range_bounds_is_empty)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `int-range-ext` (lib test) generated 7 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/int_range_ext-020369f599648f9d)
[INFO] [stdout] test tests::contains_subrange ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::equal ... ok
[INFO] [stdout] test tests::to_inclusive ... ok
[INFO] [stdout] test tests::intersect ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests int_range_ext
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - IntRangeExt::is_empty (line 56) ... ok
[INFO] [stdout] test src/lib.rs - IntRangeExt::substract (line 92) ... ok
[INFO] [stdout] test src/lib.rs - IntRangeExt::contains_subrange (line 74) ... ok
[INFO] [stdout] test src/lib.rs - IntRangeExt::intersect (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - IntRangeExt::to_inclusive (line 64) ... ok
[INFO] [stdout] test src/lib.rs - IntRangeExt::equal (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c0ef9cb348a4ef118718d02fa50c9d55e0de78b367514b8c0e0964b31980686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0ef9cb348a4ef118718d02fa50c9d55e0de78b367514b8c0e0964b31980686", kill_on_drop: false }`
[INFO] [stdout] 8c0ef9cb348a4ef118718d02fa50c9d55e0de78b367514b8c0e0964b31980686