[INFO] fetching crate libextra 0.1.0... [INFO] testing libextra-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate libextra 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate libextra 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae2eec5492599db62a903d9ef422ee0551fb43056b75f6ef52a3f982357bffe8 [INFO] running `Command { std: "docker" "start" "-a" "ae2eec5492599db62a903d9ef422ee0551fb43056b75f6ef52a3f982357bffe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae2eec5492599db62a903d9ef422ee0551fb43056b75f6ef52a3f982357bffe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae2eec5492599db62a903d9ef422ee0551fb43056b75f6ef52a3f982357bffe8", kill_on_drop: false }` [INFO] [stdout] ae2eec5492599db62a903d9ef422ee0551fb43056b75f6ef52a3f982357bffe8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d6e9e1174310e7d1e808aaa3b938aa57ace82185c0752ffcea0fc219165f59d [INFO] running `Command { std: "docker" "start" "-a" "1d6e9e1174310e7d1e808aaa3b938aa57ace82185c0752ffcea0fc219165f59d", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "1d6e9e1174310e7d1e808aaa3b938aa57ace82185c0752ffcea0fc219165f59d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d6e9e1174310e7d1e808aaa3b938aa57ace82185c0752ffcea0fc219165f59d", kill_on_drop: false }` [INFO] [stdout] 1d6e9e1174310e7d1e808aaa3b938aa57ace82185c0752ffcea0fc219165f59d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c37f76a6d4db41cde1d809ae704fd3835fc1078483cda47d0f10c2c59cb786a9 [INFO] running `Command { std: "docker" "start" "-a" "c37f76a6d4db41cde1d809ae704fd3835fc1078483cda47d0f10c2c59cb786a9", kill_on_drop: false }` [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] [stderr] Compiling libextra v0.1.0 (/opt/rustwide/workdir) [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: 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: 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "c37f76a6d4db41cde1d809ae704fd3835fc1078483cda47d0f10c2c59cb786a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c37f76a6d4db41cde1d809ae704fd3835fc1078483cda47d0f10c2c59cb786a9", kill_on_drop: false }` [INFO] [stdout] c37f76a6d4db41cde1d809ae704fd3835fc1078483cda47d0f10c2c59cb786a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c9c9a8ea90d7986152a59d6ca8fbc5400fa59da1ddbba41b74d3b4e28a79d4e8 [INFO] running `Command { std: "docker" "start" "-a" "c9c9a8ea90d7986152a59d6ca8fbc5400fa59da1ddbba41b74d3b4e28a79d4e8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/bitv.rs:7:47 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitv.rs:44:63 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn process(&mut self, b: &BigBitv, nbits: usize, op: &Fn(usize, usize) -> usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> usize` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bitv.rs:216:53 [INFO] [stderr] | [INFO] [stderr] 216 | pub fn other_op(&mut self, other: &BitvSet, f: &Fn(usize, usize) -> usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> usize` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Enumerate`, `FilterMap` [INFO] [stderr] --> src/map.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::iter::{Enumerate, FilterMap}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/map.rs:36:11 [INFO] [stderr] | [INFO] [stderr] 36 | iter: Iterator> + 'a, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/map.rs:39:1 [INFO] [stderr] | [INFO] [stderr] 39 | / macro_rules! iterator { [INFO] [stderr] 40 | | (impl $name:ident -> $elem:ty, $getter:ident) => { [INFO] [stderr] 41 | | impl<'a, T: 'a> Iterator for $name<'a, T> { [INFO] [stderr] 42 | | type Item = $elem; [INFO] [stderr] ... | [INFO] [stderr] 66 | | } [INFO] [stderr] 67 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vec.rs:5:24 [INFO] [stderr] | [INFO] [stderr] 5 | fn count(&self,f: &Fn(&T) -> bool) -> usize; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/vec.rs:17:24 [INFO] [stderr] | [INFO] [stderr] 17 | fn count(&self,f: &Fn(&T) -> bool) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/bitv.rs:179:30 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/bitv.rs:179:47 [INFO] [stderr] | [INFO] [stderr] 179 | pub fn difference(&self, other: &BitvSet, f: &fn(&usize) -> bool) -> bool { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterate_bits` [INFO] [stderr] --> src/bitv.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Op` [INFO] [stderr] --> src/bitv.rs:121:6 [INFO] [stderr] | [INFO] [stderr] 121 | enum Op { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `front` [INFO] [stderr] --> src/map.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | front: usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `back` [INFO] [stderr] --> src/map.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | back: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `iter` [INFO] [stderr] --> src/map.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | iter: Iterator> + 'a, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `libextra` (lib) generated 15 warnings [INFO] [stderr] warning: `libextra` (lib test) generated 15 warnings (15 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/libextra-8d14c9fb76de21fa) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/libextra-fdf503b4e7ff285b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests libextra [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c9c9a8ea90d7986152a59d6ca8fbc5400fa59da1ddbba41b74d3b4e28a79d4e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9c9a8ea90d7986152a59d6ca8fbc5400fa59da1ddbba41b74d3b4e28a79d4e8", kill_on_drop: false }` [INFO] [stdout] c9c9a8ea90d7986152a59d6ca8fbc5400fa59da1ddbba41b74d3b4e28a79d4e8