[INFO] fetching crate buildtime-png 0.1.4...
[INFO] extracting crate buildtime-png 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/buildtime-png/0.1.4
[INFO] extracting crate buildtime-png 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/buildtime-png/0.1.4
[INFO] validating manifest of buildtime-png-0.1.4 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 buildtime-png-0.1.4 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 buildtime-png-0.1.4
[INFO] finished frobbing buildtime-png-0.1.4
[INFO] frobbed toml for buildtime-png-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/buildtime-png/0.1.4/Cargo.toml
[INFO] started frobbing buildtime-png-0.1.4
[INFO] finished frobbing buildtime-png-0.1.4
[INFO] frobbed toml for buildtime-png-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/buildtime-png/0.1.4/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 buildtime-png-0.1.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/buildtime-png/0.1.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] bee11aa7c1939362d45ca2111e483dea703103e5775a410b6819d936ce8c7e20
[INFO] running `"docker" "start" "-a" "bee11aa7c1939362d45ca2111e483dea703103e5775a410b6819d936ce8c7e20"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling buildtime-png v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `"docker" "inspect" "bee11aa7c1939362d45ca2111e483dea703103e5775a410b6819d936ce8c7e20"`
[INFO] running `"docker" "rm" "-f" "bee11aa7c1939362d45ca2111e483dea703103e5775a410b6819d936ce8c7e20"`
[INFO] [stdout] bee11aa7c1939362d45ca2111e483dea703103e5775a410b6819d936ce8c7e20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/buildtime-png/0.1.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8c3b6a83fc73cad65120310ed331e3814a485e3e917c0a58cf7ce25512ab822f
[INFO] running `"docker" "start" "-a" "8c3b6a83fc73cad65120310ed331e3814a485e3e917c0a58cf7ce25512ab822f"`
[INFO] [stderr]    Compiling buildtime-png v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "8c3b6a83fc73cad65120310ed331e3814a485e3e917c0a58cf7ce25512ab822f"`
[INFO] running `"docker" "rm" "-f" "8c3b6a83fc73cad65120310ed331e3814a485e3e917c0a58cf7ce25512ab822f"`
[INFO] [stdout] 8c3b6a83fc73cad65120310ed331e3814a485e3e917c0a58cf7ce25512ab822f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/buildtime-png/0.1.4:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4fc25e1a72285e35ac8bf0ec38b0c4516fa42328070cf60e83fa3c39f6890173
[INFO] running `"docker" "start" "-a" "4fc25e1a72285e35ac8bf0ec38b0c4516fa42328070cf60e83fa3c39f6890173"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buildtime_png-e44023c0a321a91b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test is_valid_ident_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buildtime_png
[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" "4fc25e1a72285e35ac8bf0ec38b0c4516fa42328070cf60e83fa3c39f6890173"`
[INFO] running `"docker" "rm" "-f" "4fc25e1a72285e35ac8bf0ec38b0c4516fa42328070cf60e83fa3c39f6890173"`
[INFO] [stdout] 4fc25e1a72285e35ac8bf0ec38b0c4516fa42328070cf60e83fa3c39f6890173