[INFO] crate libextra 0.1.0 is already in cache
[INFO] extracting crate libextra 0.1.0 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/libextra/0.1.0
[INFO] extracting crate libextra 0.1.0 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/libextra/0.1.0
[INFO] validating manifest of libextra-0.1.0 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libextra-0.1.0 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libextra-0.1.0
[INFO] finished frobbing libextra-0.1.0
[INFO] frobbed toml for libextra-0.1.0 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/libextra/0.1.0/Cargo.toml
[INFO] started frobbing libextra-0.1.0
[INFO] finished frobbing libextra-0.1.0
[INFO] frobbed toml for libextra-0.1.0 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/libextra/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking libextra-0.1.0 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/libextra/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 10177fb930b72a1a3024b4a0132720ac685af51c4d0a3d07bc3aab4b46b86236
[INFO] running `"docker" "start" "-a" "10177fb930b72a1a3024b4a0132720ac685af51c4d0a3d07bc3aab4b46b86236"`
[INFO] [stderr]     Checking libextra v0.1.0 (/opt/crater/workdir)
[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: 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: 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: 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: 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: consider prefixing 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: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iterate_bits`
[INFO] [stderr]  --> src/bitv.rs:7:1
[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:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | enum Op {
[INFO] [stderr]     | ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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 used: `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 used: `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: consider prefixing 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: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iterate_bits`
[INFO] [stderr]  --> src/bitv.rs:7:1
[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:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | enum Op {
[INFO] [stderr]     | ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 1.25s
[INFO] running `"docker" "inspect" "10177fb930b72a1a3024b4a0132720ac685af51c4d0a3d07bc3aab4b46b86236"`
[INFO] running `"docker" "rm" "-f" "10177fb930b72a1a3024b4a0132720ac685af51c4d0a3d07bc3aab4b46b86236"`
[INFO] [stdout] 10177fb930b72a1a3024b4a0132720ac685af51c4d0a3d07bc3aab4b46b86236