[INFO] crate re-parse-macros 0.1.0 is already in cache
[INFO] extracting crate re-parse-macros 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/re-parse-macros/0.1.0
[INFO] extracting crate re-parse-macros 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/re-parse-macros/0.1.0
[INFO] validating manifest of re-parse-macros-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of re-parse-macros-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing re-parse-macros-0.1.0
[INFO] finished frobbing re-parse-macros-0.1.0
[INFO] frobbed toml for re-parse-macros-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/re-parse-macros/0.1.0/Cargo.toml
[INFO] started frobbing re-parse-macros-0.1.0
[INFO] finished frobbing re-parse-macros-0.1.0
[INFO] frobbed toml for re-parse-macros-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/re-parse-macros/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing re-parse-macros-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/re-parse-macros/0.1.0:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6c84db4b009a9f758200fbfac1d5bca37e6e481aa918cf151c213544fd7e2b35
[INFO] running `"docker" "start" "-a" "6c84db4b009a9f758200fbfac1d5bca37e6e481aa918cf151c213544fd7e2b35"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling re-parse-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut item = parse_macro_input!(item as DeriveInput);
[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 15.14s
[INFO] running `"docker" "inspect" "6c84db4b009a9f758200fbfac1d5bca37e6e481aa918cf151c213544fd7e2b35"`
[INFO] running `"docker" "rm" "-f" "6c84db4b009a9f758200fbfac1d5bca37e6e481aa918cf151c213544fd7e2b35"`
[INFO] [stdout] 6c84db4b009a9f758200fbfac1d5bca37e6e481aa918cf151c213544fd7e2b35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/re-parse-macros/0.1.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 86acb6e28f0ffd7a9293089c5804fd44a01fc42eb89ef848369d2b501b4c9e6a
[INFO] running `"docker" "start" "-a" "86acb6e28f0ffd7a9293089c5804fd44a01fc42eb89ef848369d2b501b4c9e6a"`
[INFO] [stderr]    Compiling re-parse-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut item = parse_macro_input!(item as DeriveInput);
[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 0.38s
[INFO] running `"docker" "inspect" "86acb6e28f0ffd7a9293089c5804fd44a01fc42eb89ef848369d2b501b4c9e6a"`
[INFO] running `"docker" "rm" "-f" "86acb6e28f0ffd7a9293089c5804fd44a01fc42eb89ef848369d2b501b4c9e6a"`
[INFO] [stdout] 86acb6e28f0ffd7a9293089c5804fd44a01fc42eb89ef848369d2b501b4c9e6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/re-parse-macros/0.1.0:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 059f335c745504caf2e0f2033c0a38d6049f4bb04af63cdcdb9d6561e1884d5d
[INFO] running `"docker" "start" "-a" "059f335c745504caf2e0f2033c0a38d6049f4bb04af63cdcdb9d6561e1884d5d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/re_parse_macros-96f68a7f5b5e64b1
[INFO] [stderr]    Doc-tests re-parse-macros
[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] [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 `"docker" "inspect" "059f335c745504caf2e0f2033c0a38d6049f4bb04af63cdcdb9d6561e1884d5d"`
[INFO] running `"docker" "rm" "-f" "059f335c745504caf2e0f2033c0a38d6049f4bb04af63cdcdb9d6561e1884d5d"`
[INFO] [stdout] 059f335c745504caf2e0f2033c0a38d6049f4bb04af63cdcdb9d6561e1884d5d