[INFO] fetching crate array_ext 0.3.0...
[INFO] checking array_ext-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate array_ext 0.3.0 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate array_ext 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 766d30674b23aad9ef10e1be7a4c82a3fe1d2a96508afd99008a2487473f00bc
[INFO] running `Command { std: "docker" "start" "-a" "766d30674b23aad9ef10e1be7a4c82a3fe1d2a96508afd99008a2487473f00bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "766d30674b23aad9ef10e1be7a4c82a3fe1d2a96508afd99008a2487473f00bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766d30674b23aad9ef10e1be7a4c82a3fe1d2a96508afd99008a2487473f00bc", kill_on_drop: false }`
[INFO] [stdout] 766d30674b23aad9ef10e1be7a4c82a3fe1d2a96508afd99008a2487473f00bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7adac4d8d091f9584544e72342a4ba095992fb4408b872979cd18690f0cf512b
[INFO] running `Command { std: "docker" "start" "-a" "7adac4d8d091f9584544e72342a4ba095992fb4408b872979cd18690f0cf512b", 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: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]     = 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 `sized::Array3::zip(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::<impl [T; N]>::zip`
[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]     = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::<impl [T; N]>::zip`
[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]     = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::<impl [T; N]>::zip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "7adac4d8d091f9584544e72342a4ba095992fb4408b872979cd18690f0cf512b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adac4d8d091f9584544e72342a4ba095992fb4408b872979cd18690f0cf512b", kill_on_drop: false }`
[INFO] [stdout] 7adac4d8d091f9584544e72342a4ba095992fb4408b872979cd18690f0cf512b