[INFO] crate libextra 0.1.0 is already in cache
[INFO] checking libextra-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate libextra 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libextra 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf13e7f265203d4968568a46e379e99ea6ef6b32f5ded08bf427196cf23c4526
[INFO] running `"docker" "start" "-a" "bf13e7f265203d4968568a46e379e99ea6ef6b32f5ded08bf427196cf23c4526"`
[INFO] [stderr]     Checking libextra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bitv.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 | 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: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: 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: 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<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: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: 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bitv.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 | 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: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: 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: 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<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: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: 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: 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<Item=Option<T>> + 'a,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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<Item=Option<T>> + 'a,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "bf13e7f265203d4968568a46e379e99ea6ef6b32f5ded08bf427196cf23c4526"`
[INFO] running `"docker" "rm" "-f" "bf13e7f265203d4968568a46e379e99ea6ef6b32f5ded08bf427196cf23c4526"`
[INFO] [stdout] bf13e7f265203d4968568a46e379e99ea6ef6b32f5ded08bf427196cf23c4526
