[INFO] updating cached repository krobelus/rate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krobelus/rate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krobelus/rate" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/krobelus/rate"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/krobelus/rate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krobelus/rate" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/krobelus/rate"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/krobelus/rate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe5642fefc95445ecd63e269fbc47a2f26934f93
[INFO] sha for GitHub repo krobelus/rate: fe5642fefc95445ecd63e269fbc47a2f26934f93
[INFO] validating manifest of krobelus/rate on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krobelus/rate on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing krobelus/rate
[INFO] finished frobbing krobelus/rate
[INFO] frobbed toml for krobelus/rate written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/krobelus/rate/Cargo.toml
[INFO] started frobbing krobelus/rate
[INFO] finished frobbing krobelus/rate
[INFO] frobbed toml for krobelus/rate written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/krobelus/rate/Cargo.toml
[INFO] crate krobelus/rate has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking krobelus/rate against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-5/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/krobelus/rate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f3cb3a1d2b849239087701ec0758f5228f914e6c09b4c3fa22b62945e17194c
[INFO] running `"docker" "start" "-a" "5f3cb3a1d2b849239087701ec0758f5228f914e6c09b4c3fa22b62945e17194c"`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking rate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/memory/boundedstack.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `slice`
[INFO] [stderr]   --> src/memory/slice.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn slice(&self) -> &'a [T] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/memory/slice.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_const`
[INFO] [stderr]   --> src/memory/slice.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn as_const(&self) -> Slice<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/memory/slice.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/stack.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Stack<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/memory/stack.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/memory/stackmapping.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/memory/boundedstack.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `slice`
[INFO] [stderr]   --> src/memory/slice.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn slice(&self) -> &'a [T] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/memory/slice.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_const`
[INFO] [stderr]   --> src/memory/slice.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn as_const(&self) -> Slice<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/memory/slice.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory/stack.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Stack<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/memory/stack.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/memory/stackmapping.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.29s
[INFO] running `"docker" "inspect" "5f3cb3a1d2b849239087701ec0758f5228f914e6c09b4c3fa22b62945e17194c"`
[INFO] running `"docker" "rm" "-f" "5f3cb3a1d2b849239087701ec0758f5228f914e6c09b4c3fa22b62945e17194c"`
[INFO] [stdout] 5f3cb3a1d2b849239087701ec0758f5228f914e6c09b4c3fa22b62945e17194c