[INFO] cloning repository https://github.com/playXE/libextra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/libextra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Flibextra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Flibextra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfc89fff0d457a4fd7b846a4a01d54eb5dca5de6
[INFO] testing playXE/libextra against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Flibextra" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playXE/libextra on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/playXE/libextra
[INFO] finished tweaking git repo https://github.com/playXE/libextra
[INFO] tweaked toml for git repo https://github.com/playXE/libextra written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/playXE/libextra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59ad9f63e652293597b174d5e596e7435a14ba26e18e70a156eaa040f1d204ae
[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" "59ad9f63e652293597b174d5e596e7435a14ba26e18e70a156eaa040f1d204ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ad9f63e652293597b174d5e596e7435a14ba26e18e70a156eaa040f1d204ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ad9f63e652293597b174d5e596e7435a14ba26e18e70a156eaa040f1d204ae", kill_on_drop: false }`
[INFO] [stdout] 59ad9f63e652293597b174d5e596e7435a14ba26e18e70a156eaa040f1d204ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae89dd7629d1a42612f80ee5367fcaf7c5651da972cdbf39696802a17060ff92
[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" "ae89dd7629d1a42612f80ee5367fcaf7c5651da972cdbf39696802a17060ff92", 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:5:47
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bitv.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bitv.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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] 
[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:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |     iter: Iterator<Item = Option<T>> + 'a,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Option<T>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/map.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / macro_rules! iterator {
[INFO] [stdout] 37 | |     (impl $name:ident -> $elem:ty, $getter:ident) => {
[INFO] [stdout] 38 | |         impl<'a, T: 'a> Iterator for $name<T> {
[INFO] [stdout] 39 | |             type Item = (usize, &'a T);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     };
[INFO] [stdout] 64 | | }
[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:5:25
[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] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vec.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn count(&self, f: &Fn(&T) -> bool) -> usize {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bitv.rs:182:30
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:182:47
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | enum Op {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "ae89dd7629d1a42612f80ee5367fcaf7c5651da972cdbf39696802a17060ff92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae89dd7629d1a42612f80ee5367fcaf7c5651da972cdbf39696802a17060ff92", kill_on_drop: false }`
[INFO] [stdout] ae89dd7629d1a42612f80ee5367fcaf7c5651da972cdbf39696802a17060ff92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cdd980af2ff1f0abf694ac83be48f7080718b47b943ce24c23434d4ddc7bd6
[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" "29cdd980af2ff1f0abf694ac83be48f7080718b47b943ce24c23434d4ddc7bd6", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bitv.rs:5:47
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 
[INFO] [stdout] 
[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:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bitv.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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] 
[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:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |     iter: Iterator<Item = Option<T>> + 'a,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Option<T>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/map.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / macro_rules! iterator {
[INFO] [stdout] 37 | |     (impl $name:ident -> $elem:ty, $getter:ident) => {
[INFO] [stdout] 38 | |         impl<'a, T: 'a> Iterator for $name<T> {
[INFO] [stdout] 39 | |             type Item = (usize, &'a T);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     };
[INFO] [stdout] 64 | | }
[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:5:25
[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] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vec.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn count(&self, f: &Fn(&T) -> bool) -> usize {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bitv.rs:182:30
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:182:47
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | enum Op {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bitv.rs:5:47
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bitv.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bitv.rs:219:53
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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] 
[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:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 |     iter: Iterator<Item = Option<T>> + 'a,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Option<T>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/map.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / macro_rules! iterator {
[INFO] [stdout] 37 | |     (impl $name:ident -> $elem:ty, $getter:ident) => {
[INFO] [stdout] 38 | |         impl<'a, T: 'a> Iterator for $name<T> {
[INFO] [stdout] 39 | |             type Item = (usize, &'a T);
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     };
[INFO] [stdout] 64 | | }
[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:5:25
[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] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vec.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn count(&self, f: &Fn(&T) -> bool) -> usize {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bitv.rs:182:30
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:182:47
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | enum Op {
[INFO] [stdout]     |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "29cdd980af2ff1f0abf694ac83be48f7080718b47b943ce24c23434d4ddc7bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cdd980af2ff1f0abf694ac83be48f7080718b47b943ce24c23434d4ddc7bd6", kill_on_drop: false }`
[INFO] [stdout] 29cdd980af2ff1f0abf694ac83be48f7080718b47b943ce24c23434d4ddc7bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85b8fbd81f485ab4497c1c19e2a5478013b56f8888a64d0d0e8f2117491ceeef
[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" "85b8fbd81f485ab4497c1c19e2a5478013b56f8888a64d0d0e8f2117491ceeef", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bitv.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool {
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bitv.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bitv.rs:219:53
[INFO] [stderr]     |
[INFO] [stderr] 219 |     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: 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:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 |     iter: Iterator<Item = Option<T>> + 'a,
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Option<T>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/map.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / macro_rules! iterator {
[INFO] [stderr] 37 | |     (impl $name:ident -> $elem:ty, $getter:ident) => {
[INFO] [stderr] 38 | |         impl<'a, T: 'a> Iterator for $name<T> {
[INFO] [stderr] 39 | |             type Item = (usize, &'a T);
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |     };
[INFO] [stderr] 64 | | }
[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:5:25
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vec.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn count(&self, f: &Fn(&T) -> bool) -> usize {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/bitv.rs:182:30
[INFO] [stderr]     |
[INFO] [stderr] 182 |     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:182:47
[INFO] [stderr]     |
[INFO] [stderr] 182 |     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:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | 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:117:6
[INFO] [stderr]     |
[INFO] [stderr] 117 | enum Op {
[INFO] [stderr]     |      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bitv.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn iterate_bits(base: usize, bits: usize, f: &Fn(usize) -> bool) -> bool {
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> bool`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bitv.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bitv.rs:219:53
[INFO] [stderr]     |
[INFO] [stderr] 219 |     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: 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:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 |     iter: Iterator<Item = Option<T>> + 'a,
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Option<T>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/map.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / macro_rules! iterator {
[INFO] [stderr] 37 | |     (impl $name:ident -> $elem:ty, $getter:ident) => {
[INFO] [stderr] 38 | |         impl<'a, T: 'a> Iterator for $name<T> {
[INFO] [stderr] 39 | |             type Item = (usize, &'a T);
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |     };
[INFO] [stderr] 64 | | }
[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:5:25
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vec.rs:16:25
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn count(&self, f: &Fn(&T) -> bool) -> usize {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/bitv.rs:182:30
[INFO] [stderr]     |
[INFO] [stderr] 182 |     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:182:47
[INFO] [stderr]     |
[INFO] [stderr] 182 |     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:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | 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:117:6
[INFO] [stderr]     |
[INFO] [stderr] 117 | enum Op {
[INFO] [stderr]     |      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libextra-bf62bd7c351a43ee
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libextra-6603f8d3fbadd582
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85b8fbd81f485ab4497c1c19e2a5478013b56f8888a64d0d0e8f2117491ceeef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b8fbd81f485ab4497c1c19e2a5478013b56f8888a64d0d0e8f2117491ceeef", kill_on_drop: false }`
[INFO] [stdout] 85b8fbd81f485ab4497c1c19e2a5478013b56f8888a64d0d0e8f2117491ceeef