[INFO] fetching crate array_ext 0.3.0... [INFO] checking array_ext-0.3.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991 [INFO] extracting crate array_ext 0.3.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate array_ext 0.3.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5150432e4360a79037bea61fd4840c9034bb4dc4e86c85f53ecaab6777c0f4d [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" "a5150432e4360a79037bea61fd4840c9034bb4dc4e86c85f53ecaab6777c0f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5150432e4360a79037bea61fd4840c9034bb4dc4e86c85f53ecaab6777c0f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5150432e4360a79037bea61fd4840c9034bb4dc4e86c85f53ecaab6777c0f4d", kill_on_drop: false }` [INFO] [stdout] a5150432e4360a79037bea61fd4840c9034bb4dc4e86c85f53ecaab6777c0f4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6e4b6f2ce3b78b1492c66d0eb529584631f36b96640442b8743256768dc7691 [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" "f6e4b6f2ce3b78b1492c66d0eb529584631f36b96640442b8743256768dc7691", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling seq-macro v0.1.5 [INFO] [stderr] Checking array_ext v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/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 method 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 [INFO] [stdout] = help: call with fully qualified syntax `Array::as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [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/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 method 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 [INFO] [stdout] = help: call with fully qualified syntax `Array::as_mut_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_mut_slice` [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/tests.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | arr.as_mut_slice().sort(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method 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 [INFO] [stdout] = help: call with fully qualified syntax `Array::as_mut_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_mut_slice` [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/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 method 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 [INFO] [stdout] = help: call with fully qualified syntax `Array::as_slice(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_methods)]` to the crate attributes to enable `array::::as_slice` [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/tests.rs:128:20 [INFO] [stdout] | [INFO] [stdout] 128 | assert_eq!(arr.map(|a| a as f32 / 2.0), [0.5, 1.0, 1.5]); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method 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 [INFO] [stdout] = help: call with fully qualified syntax `sized::Array3::map(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_map)]` to the crate attributes to enable `array::::map` [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/tests.rs:133:20 [INFO] [stdout] | [INFO] [stdout] 133 | assert_eq!(arr.map(|s| s.len()), [3, 4, 1, 16]); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method 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 [INFO] [stdout] = help: call with fully qualified syntax `sized::Array4::map(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_map)]` to the crate attributes to enable `array::::map` [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/tests.rs:152:28 [INFO] [stdout] | [INFO] [stdout] 152 | assert_eq!(arr.clone().map(|a| a.0 * 2), [2, 4, 6]); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this method 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 [INFO] [stdout] = help: call with fully qualified syntax `sized::Array3::map(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_map)]` to the crate attributes to enable `array::::map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.64s [INFO] running `Command { std: "docker" "inspect" "f6e4b6f2ce3b78b1492c66d0eb529584631f36b96640442b8743256768dc7691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6e4b6f2ce3b78b1492c66d0eb529584631f36b96640442b8743256768dc7691", kill_on_drop: false }` [INFO] [stdout] f6e4b6f2ce3b78b1492c66d0eb529584631f36b96640442b8743256768dc7691