[INFO] fetching crate funlib 0.1.8... [INFO] checking funlib-0.1.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate funlib 0.1.8 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate funlib 0.1.8 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate funlib 0.1.8 [INFO] finished tweaking crates.io crate funlib 0.1.8 [INFO] tweaked toml for crates.io crate funlib 0.1.8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f392bdadcd221c7e2997f6e536a170d2d69c9d4a98592cbf9421237f434ea3ca [INFO] running `Command { std: "docker" "start" "-a" "f392bdadcd221c7e2997f6e536a170d2d69c9d4a98592cbf9421237f434ea3ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f392bdadcd221c7e2997f6e536a170d2d69c9d4a98592cbf9421237f434ea3ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f392bdadcd221c7e2997f6e536a170d2d69c9d4a98592cbf9421237f434ea3ca", kill_on_drop: false }` [INFO] [stdout] f392bdadcd221c7e2997f6e536a170d2d69c9d4a98592cbf9421237f434ea3ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0596cd1dcc024aca8ee5ae129ea1942ed9c8384908611438fabc774126d30722 [INFO] running `Command { std: "docker" "start" "-a" "0596cd1dcc024aca8ee5ae129ea1942ed9c8384908611438fabc774126d30722", kill_on_drop: false }` [INFO] [stderr] Checking funlib-macros v0.1.8 [INFO] [stderr] Checking funlib v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/foldable/mod.rs:33:40 [INFO] [stdout] | [INFO] [stdout] 20 | impl <'r,A: 'r> FoldableA<'r, A> for Vec { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 33 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/foldable/mod.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 39 | impl <'r,A: 'r> FoldableS<'r, A> for Option { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 55 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:178:42 [INFO] [stdout] | [INFO] [stdout] 144 | pub trait FoldableA<'r, A: 'r>: HKST<'r, A> { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 178 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool; [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:242:42 [INFO] [stdout] | [INFO] [stdout] 238 | pub trait FoldableS<'r, A: 'r>: HKST<'r, A> { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 242 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool; [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/foldable/mod.rs:33:40 [INFO] [stdout] | [INFO] [stdout] 20 | impl <'r,A: 'r> FoldableA<'r, A> for Vec { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 33 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/foldable/mod.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 39 | impl <'r,A: 'r> FoldableS<'r, A> for Option { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 55 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:178:42 [INFO] [stdout] | [INFO] [stdout] 144 | pub trait FoldableA<'r, A: 'r>: HKST<'r, A> { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 178 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool; [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:242:42 [INFO] [stdout] | [INFO] [stdout] 238 | pub trait FoldableS<'r, A: 'r>: HKST<'r, A> { [INFO] [stdout] | -- lifetime `'r` declared here [INFO] [stdout] ... [INFO] [stdout] 242 | fn find(&'r self, f: F) -> Option<&A> where F: Fn(&A) -> bool; [INFO] [stdout] | ^ this elided lifetime gets resolved as `'r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/functor/mod.rs:61:16 [INFO] [stdout] | [INFO] [stdout] 61 | laws!(Box, Box::new(5i32), |x| x + 2, |x| x * 5); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/applicative/mod.rs:72:29 [INFO] [stdout] | [INFO] [stdout] 72 | assert_eq!(Box::new(4), Box::new(2).ap(Box::new(f))); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/applicative/mod.rs:73:29 [INFO] [stdout] | [INFO] [stdout] 73 | assert_eq!(Box::new(4), Box::new(2).ap(Box::new(&double))); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/semigroup/mod.rs:86:31 [INFO] [stdout] | [INFO] [stdout] 86 | assert_eq!(Box::new(res), Box::new(v1).mappend(&Box::new(v2))); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/semigroup/mod.rs:94:31 [INFO] [stdout] | [INFO] [stdout] 94 | assert_ne!(Box::new(res), Box::new(v1).mappend(&Box::new(v2))); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/monoid/mod.rs:78:22 [INFO] [stdout] | [INFO] [stdout] 78 | laws2!(Box, i64, Box::new(5i64), Box::new(6i64), Box::new(10i64)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/monoid/mod.rs:78:38 [INFO] [stdout] | [INFO] [stdout] 78 | laws2!(Box, i64, Box::new(5i64), Box::new(6i64), Box::new(10i64)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "0596cd1dcc024aca8ee5ae129ea1942ed9c8384908611438fabc774126d30722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0596cd1dcc024aca8ee5ae129ea1942ed9c8384908611438fabc774126d30722", kill_on_drop: false }` [INFO] [stdout] 0596cd1dcc024aca8ee5ae129ea1942ed9c8384908611438fabc774126d30722