[INFO] fetching crate higher_order_functions 0.1.2... [INFO] checking higher_order_functions-0.1.2 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate higher_order_functions 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate higher_order_functions 0.1.2 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate higher_order_functions 0.1.2 [INFO] finished tweaking crates.io crate higher_order_functions 0.1.2 [INFO] tweaked toml for crates.io crate higher_order_functions 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fc716ba2940fa123c4a5007ca4acaa32e9be429964a81ec4021bc1ff2ba3b8b [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" "4fc716ba2940fa123c4a5007ca4acaa32e9be429964a81ec4021bc1ff2ba3b8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fc716ba2940fa123c4a5007ca4acaa32e9be429964a81ec4021bc1ff2ba3b8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fc716ba2940fa123c4a5007ca4acaa32e9be429964a81ec4021bc1ff2ba3b8b", kill_on_drop: false }` [INFO] [stdout] 4fc716ba2940fa123c4a5007ca4acaa32e9be429964a81ec4021bc1ff2ba3b8b [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13d00d455d5278d2bb008940291bea042561bb03ecc27d8c0a23362e46168e37 [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" "13d00d455d5278d2bb008940291bea042561bb03ecc27d8c0a23362e46168e37", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking unicode-xid v0.2.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking higher_order_functions v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44265 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking pulldown-cmark v0.8.0 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking syn v1.0.72 [INFO] [stderr] Checking unicode-normalization v0.1.18 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking version-sync v0.9.2 [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/map.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | let arr = [].map(|_: ()| panic!("Shouldn't call map function")); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Map::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: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/map.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | let arr = [321].map(|x| { [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Map::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: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `generic_associated_types` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | #![feature(generic_associated_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44265 for more information [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] --> tests/map.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | let arr = [1, 4, 6, -3, 6].map(|x| x * 2); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Map::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: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/map.rs:43:29 [INFO] [stdout] | [INFO] [stdout] 43 | let arr = [1, 4, 6, -3, 6].map(f64::from); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Map::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: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/map.rs:50:35 [INFO] [stdout] | [INFO] [stdout] 50 | let arr = [[1, 2, 3], [4, 5, 6]].map(|a| a.map(|x| x * 2)); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Map::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: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> tests/map.rs:50:45 [INFO] [stdout] | [INFO] [stdout] 50 | let arr = [[1, 2, 3], [4, 5, 6]].map(|a| a.map(|x| x * 2)); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Map::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: 6 warnings emitted [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] --> tests/zip.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | let arr = [].zip([], |_: (), _: ()| panic!("Shouldn't call zip function")); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Zip::zip(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::::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] --> tests/zip.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | let arr = [123].zip([456], |a, b| { [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Zip::zip(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::::zip` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> tests/section.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | let arr: [_; 0] = a.section(7); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> tests/section.rs:61:6 [INFO] [stdout] | [INFO] [stdout] 61 | let arr: [_; 3] = a.section(3); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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] --> tests/zip.rs:28:14 [INFO] [stdout] | [INFO] [stdout] 28 | let arr = a.zip(b, |ax, bx| (ax, bx)); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Zip::zip(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::::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] --> tests/zip.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | let arr = a.zip(b, |ax, bx| ax * bx); [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 [INFO] [stdout] = help: call with fully qualified syntax `higher_order_functions::Zip::zip(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(array_zip)]` to the crate attributes to enable `array::::zip` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.60s [INFO] running `Command { std: "docker" "inspect" "13d00d455d5278d2bb008940291bea042561bb03ecc27d8c0a23362e46168e37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13d00d455d5278d2bb008940291bea042561bb03ecc27d8c0a23362e46168e37", kill_on_drop: false }` [INFO] [stdout] 13d00d455d5278d2bb008940291bea042561bb03ecc27d8c0a23362e46168e37