[INFO] fetching crate libextra 0.1.0... [INFO] checking libextra-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate libextra 0.1.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate libextra 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libextra 0.1.0 [INFO] finished tweaking crates.io crate libextra 0.1.0 [INFO] tweaked toml for crates.io crate libextra 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61e5a705b5732c2e5dd1546e6d95881b13f3e8cf86311d947d29413727df9c25 [INFO] running `Command { std: "docker" "start" "-a" "61e5a705b5732c2e5dd1546e6d95881b13f3e8cf86311d947d29413727df9c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61e5a705b5732c2e5dd1546e6d95881b13f3e8cf86311d947d29413727df9c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61e5a705b5732c2e5dd1546e6d95881b13f3e8cf86311d947d29413727df9c25", kill_on_drop: false }` [INFO] [stdout] 61e5a705b5732c2e5dd1546e6d95881b13f3e8cf86311d947d29413727df9c25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ba994dc4ee4f3e27654b1f9154c883b4437e8d3d4820715ad83ac365b237392 [INFO] running `Command { std: "docker" "start" "-a" "5ba994dc4ee4f3e27654b1f9154c883b4437e8d3d4820715ad83ac365b237392", kill_on_drop: false }` [INFO] [stderr] Checking libextra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bitv.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bitv.rs:44:63 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn process(&mut self, b: &BigBitv, nbits: usize, op: &Fn(usize, usize) -> usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bitv.rs:216:53 [INFO] [stdout] | [INFO] [stdout] 216 | pub fn other_op(&mut self, other: &BitvSet, f: &Fn(usize, usize) -> usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Enumerate`, `FilterMap` [INFO] [stdout] --> src/map.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::{Enumerate, FilterMap}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/map.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | iter: Iterator> + 'a, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/map.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | / macro_rules! iterator { [INFO] [stdout] 40 | | (impl $name:ident -> $elem:ty, $getter:ident) => { [INFO] [stdout] 41 | | impl<'a, T: 'a> Iterator for $name<'a, T> { [INFO] [stdout] 42 | | type Item = $elem; [INFO] [stdout] ... | [INFO] [stdout] 66 | | } [INFO] [stdout] 67 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vec.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn count(&self,f: &Fn(&T) -> bool) -> usize; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vec.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | fn count(&self,f: &Fn(&T) -> bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bitv.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bitv.rs:44:63 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn process(&mut self, b: &BigBitv, nbits: usize, op: &Fn(usize, usize) -> usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/bitv.rs:216:53 [INFO] [stdout] | [INFO] [stdout] 216 | pub fn other_op(&mut self, other: &BitvSet, f: &Fn(usize, usize) -> usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Enumerate`, `FilterMap` [INFO] [stdout] --> src/map.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::{Enumerate, FilterMap}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/map.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | iter: Iterator> + 'a, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/map.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | / macro_rules! iterator { [INFO] [stdout] 40 | | (impl $name:ident -> $elem:ty, $getter:ident) => { [INFO] [stdout] 41 | | impl<'a, T: 'a> Iterator for $name<'a, T> { [INFO] [stdout] 42 | | type Item = $elem; [INFO] [stdout] ... | [INFO] [stdout] 66 | | } [INFO] [stdout] 67 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vec.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn count(&self,f: &Fn(&T) -> bool) -> usize; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/vec.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | fn count(&self,f: &Fn(&T) -> bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/bitv.rs:179:30 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/bitv.rs:179:47 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/bitv.rs:179:30 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/bitv.rs:179:47 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterate_bits` [INFO] [stdout] --> src/bitv.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Op` [INFO] [stdout] --> src/bitv.rs:121:6 [INFO] [stdout] | [INFO] [stdout] 121 | enum Op { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `front` [INFO] [stdout] --> src/map.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | front: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `back` [INFO] [stdout] --> src/map.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | back: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `iter` [INFO] [stdout] --> src/map.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | iter: Iterator> + 'a, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterate_bits` [INFO] [stdout] --> src/bitv.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Op` [INFO] [stdout] --> src/bitv.rs:121:6 [INFO] [stdout] | [INFO] [stdout] 121 | enum Op { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `front` [INFO] [stdout] --> src/map.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | front: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `back` [INFO] [stdout] --> src/map.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | back: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `iter` [INFO] [stdout] --> src/map.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | iter: Iterator> + 'a, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "5ba994dc4ee4f3e27654b1f9154c883b4437e8d3d4820715ad83ac365b237392", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ba994dc4ee4f3e27654b1f9154c883b4437e8d3d4820715ad83ac365b237392", kill_on_drop: false }` [INFO] [stdout] 5ba994dc4ee4f3e27654b1f9154c883b4437e8d3d4820715ad83ac365b237392