[INFO] fetching crate array_ext 0.3.0...
[INFO] checking array_ext-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate array_ext 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate array_ext 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate array_ext 0.3.0
[INFO] finished tweaking crates.io crate array_ext 0.3.0
[INFO] tweaked toml for crates.io crate array_ext 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 839a2d495140e40500e3bd7f266794efff412a07ec47137004ab1c27b6292df4
[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" "839a2d495140e40500e3bd7f266794efff412a07ec47137004ab1c27b6292df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839a2d495140e40500e3bd7f266794efff412a07ec47137004ab1c27b6292df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839a2d495140e40500e3bd7f266794efff412a07ec47137004ab1c27b6292df4", kill_on_drop: false }`
[INFO] [stdout] 839a2d495140e40500e3bd7f266794efff412a07ec47137004ab1c27b6292df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f9c2346bb22f35d73c0a3c929f714f60e26eac38fe52dae2fd2d1d2b1199b44
[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" "2f9c2346bb22f35d73c0a3c929f714f60e26eac38fe52dae2fd2d1d2b1199b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.1.5
[INFO] [stderr]     Checking array_ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/tests.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |     assert_eq!([1, 2, 3].as_slice(), &[1, 2, 3]);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[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 `Array::as_slice(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/tests.rs:94:26
[INFO] [stdout]    |
[INFO] [stdout] 94 |     assert_eq!([4, 5, 6].as_mut_slice(), &mut [4, 5, 6]);
[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 `Array::as_mut_slice(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/tests.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     arr.as_mut_slice().sort();
[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 `Array::as_mut_slice(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/tests.rs:101:29
[INFO] [stdout]     |
[INFO] [stdout] 101 |     v.extend_from_slice(arr.as_slice());
[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 `Array::as_slice(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/tests.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |     assert_eq!(arr.zip([30, 20, 10], |a, b| a + b), [31, 22, 13]);
[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 `sized::Array3::zip(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/tests.rs:130:20
[INFO] [stdout]     |
[INFO] [stdout] 130 |     assert_eq!(arr.zip(['a', 'b', 'c'], |a, b| (a, b)), [(1, 'a'), (2, 'b'), (3, 'c')]);
[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 `sized::Array3::zip(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/tests.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |     assert_eq!(arr.zip(arr2, |a, b| a.0 + b.0), [11, 22, 33]);
[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 `sized::Array3::zip(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "2f9c2346bb22f35d73c0a3c929f714f60e26eac38fe52dae2fd2d1d2b1199b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9c2346bb22f35d73c0a3c929f714f60e26eac38fe52dae2fd2d1d2b1199b44", kill_on_drop: false }`
[INFO] [stdout] 2f9c2346bb22f35d73c0a3c929f714f60e26eac38fe52dae2fd2d1d2b1199b44
