[INFO] fetching crate erl_pp 0.1.3...
[INFO] extracting crate erl_pp 0.1.3 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/erl_pp/0.1.3
[INFO] extracting crate erl_pp 0.1.3 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/erl_pp/0.1.3
[INFO] validating manifest of erl_pp-0.1.3 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of erl_pp-0.1.3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing erl_pp-0.1.3
[INFO] finished frobbing erl_pp-0.1.3
[INFO] frobbed toml for erl_pp-0.1.3 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/erl_pp/0.1.3/Cargo.toml
[INFO] started frobbing erl_pp-0.1.3
[INFO] finished frobbing erl_pp-0.1.3
[INFO] frobbed toml for erl_pp-0.1.3 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/erl_pp/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erl_tokenize v0.3.9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing erl_pp-0.1.3 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/erl_pp/0.1.3:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 422135b9fe96eb75928b491cbc807e6951826eee5eb4f825922321363e15e42f
[INFO] running `"docker" "start" "-a" "422135b9fe96eb75928b491cbc807e6951826eee5eb4f825922321363e15e42f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling erl_tokenize v0.3.9
[INFO] [stderr]    Compiling erl_pp v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/preprocessor.rs:225:21
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 let mut b = track!(self.branches.last_mut().ok_or(Error::invalid_input()))?;
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `"docker" "inspect" "422135b9fe96eb75928b491cbc807e6951826eee5eb4f825922321363e15e42f"`
[INFO] running `"docker" "rm" "-f" "422135b9fe96eb75928b491cbc807e6951826eee5eb4f825922321363e15e42f"`
[INFO] [stdout] 422135b9fe96eb75928b491cbc807e6951826eee5eb4f825922321363e15e42f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/erl_pp/0.1.3:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 791c3c733ba0807f1cc103ab3b5318710de9d0e62e22834aa72edfadafc33f63
[INFO] running `"docker" "start" "-a" "791c3c733ba0807f1cc103ab3b5318710de9d0e62e22834aa72edfadafc33f63"`
[INFO] [stderr]    Compiling erl_pp v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/preprocessor.rs:225:21
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 let mut b = track!(self.branches.last_mut().ok_or(Error::invalid_input()))?;
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `"docker" "inspect" "791c3c733ba0807f1cc103ab3b5318710de9d0e62e22834aa72edfadafc33f63"`
[INFO] running `"docker" "rm" "-f" "791c3c733ba0807f1cc103ab3b5318710de9d0e62e22834aa72edfadafc33f63"`
[INFO] [stdout] 791c3c733ba0807f1cc103ab3b5318710de9d0e62e22834aa72edfadafc33f63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/erl_pp/0.1.3:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 67f990e15508d418f8beef6da66a8b89a1fea82fc246f7aee4c96d27ac1f67cf
[INFO] running `"docker" "start" "-a" "67f990e15508d418f8beef6da66a8b89a1fea82fc246f7aee4c96d27ac1f67cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/erl_pp-ba5e855357d1d5c7
[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]      Running /opt/crater/target/debug/deps/lib-a41480b0317dad44
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test ifndef_works ... ok
[INFO] [stdout] test include_lib_works ... ok
[INFO] [stdout] test include_works ... ok
[INFO] [stdout] test ifdef_works ... ok
[INFO] [stdout] test error_and_warning_works ... ok
[INFO] [stdout] test no_directive_works ... ok
[INFO] [stdout] test else_works ... ok
[INFO] [stdout] test predefined_macro_works ... ok
[INFO] [stdout] test define_works ... ok
[INFO] [stdout] test macro_expansion_works ... ok
[INFO] [stdout] test args_for_expanded_tokens_test ... ok
[INFO] [stdout] test undef_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests erl_pp
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/preprocessor.rs - preprocessor::Preprocessor (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "67f990e15508d418f8beef6da66a8b89a1fea82fc246f7aee4c96d27ac1f67cf"`
[INFO] running `"docker" "rm" "-f" "67f990e15508d418f8beef6da66a8b89a1fea82fc246f7aee4c96d27ac1f67cf"`
[INFO] [stdout] 67f990e15508d418f8beef6da66a8b89a1fea82fc246f7aee4c96d27ac1f67cf