[INFO] crate syntex_fmt_macros 0.5.0 is already in cache
[INFO] extracting crate syntex_fmt_macros 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/syntex_fmt_macros/0.5.0
[INFO] extracting crate syntex_fmt_macros 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/syntex_fmt_macros/0.5.0
[INFO] validating manifest of syntex_fmt_macros-0.5.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of syntex_fmt_macros-0.5.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing syntex_fmt_macros-0.5.0
[INFO] finished frobbing syntex_fmt_macros-0.5.0
[INFO] frobbed toml for syntex_fmt_macros-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/syntex_fmt_macros/0.5.0/Cargo.toml
[INFO] started frobbing syntex_fmt_macros-0.5.0
[INFO] finished frobbing syntex_fmt_macros-0.5.0
[INFO] frobbed toml for syntex_fmt_macros-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/syntex_fmt_macros/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing syntex_fmt_macros-0.5.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/syntex_fmt_macros/0.5.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] df9daf257e8d6d8db0868fb7c731f0dbaa88116bfa808019d402166b0c8a9ea3
[INFO] running `"docker" "start" "-a" "df9daf257e8d6d8db0868fb7c731f0dbaa88116bfa808019d402166b0c8a9ea3"`
[INFO] [stderr]    Compiling syntex_fmt_macros v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:397:13
[INFO] [stderr]     |
[INFO] [stderr] 397 |         let mut end;
[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 0.53s
[INFO] running `"docker" "inspect" "df9daf257e8d6d8db0868fb7c731f0dbaa88116bfa808019d402166b0c8a9ea3"`
[INFO] running `"docker" "rm" "-f" "df9daf257e8d6d8db0868fb7c731f0dbaa88116bfa808019d402166b0c8a9ea3"`
[INFO] [stdout] df9daf257e8d6d8db0868fb7c731f0dbaa88116bfa808019d402166b0c8a9ea3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/syntex_fmt_macros/0.5.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58d5f711d4200e215858001c4e5756b836c5165265f44c9e8a7bbab7d89095fe
[INFO] running `"docker" "start" "-a" "58d5f711d4200e215858001c4e5756b836c5165265f44c9e8a7bbab7d89095fe"`
[INFO] [stderr]    Compiling syntex_fmt_macros v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:397:13
[INFO] [stderr]     |
[INFO] [stderr] 397 |         let mut end;
[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 1.31s
[INFO] running `"docker" "inspect" "58d5f711d4200e215858001c4e5756b836c5165265f44c9e8a7bbab7d89095fe"`
[INFO] running `"docker" "rm" "-f" "58d5f711d4200e215858001c4e5756b836c5165265f44c9e8a7bbab7d89095fe"`
[INFO] [stdout] 58d5f711d4200e215858001c4e5756b836c5165265f44c9e8a7bbab7d89095fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/syntex_fmt_macros/0.5.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6e357c62e8e6c9cc71b7efa51a996252a6fdc4a3442b326a468a6c4d366bb6e8
[INFO] running `"docker" "start" "-a" "6e357c62e8e6c9cc71b7efa51a996252a6fdc4a3442b326a468a6c4d366bb6e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syntex_fmt_macros-2ae263ffa47f1b4b
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::format_type ... ok
[INFO] [stdout] test tests::format_position_nothing_else ... ok
[INFO] [stdout] test tests::format_flags ... ok
[INFO] [stdout] test tests::invalid01 ... ok
[INFO] [stdout] test tests::invalid02 ... ok
[INFO] [stdout] test tests::invalid04 ... ok
[INFO] [stdout] test tests::invalid05 ... ok
[INFO] [stdout] test tests::format_counts ... ok
[INFO] [stdout] test tests::invalid06 ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test tests::format_mixture ... ok
[INFO] [stdout] test tests::format_align_fill ... ok
[INFO] [stdout] test tests::format_nothing ... ok
[INFO] [stdout] test tests::format_position ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syntex_fmt_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] running `"docker" "inspect" "6e357c62e8e6c9cc71b7efa51a996252a6fdc4a3442b326a468a6c4d366bb6e8"`
[INFO] running `"docker" "rm" "-f" "6e357c62e8e6c9cc71b7efa51a996252a6fdc4a3442b326a468a6c4d366bb6e8"`
[INFO] [stdout] 6e357c62e8e6c9cc71b7efa51a996252a6fdc4a3442b326a468a6c4d366bb6e8