[INFO] crate muff 0.1.4 is already in cache
[INFO] extracting crate muff 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/muff/0.1.4
[INFO] extracting crate muff 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/muff/0.1.4
[INFO] validating manifest of muff-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 muff-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 muff-0.1.4
[INFO] finished frobbing muff-0.1.4
[INFO] frobbed toml for muff-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/muff/0.1.4/Cargo.toml
[INFO] started frobbing muff-0.1.4
[INFO] finished frobbing muff-0.1.4
[INFO] frobbed toml for muff-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/muff/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 muff-0.1.4 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-6/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/muff/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 17f7ba75bde09056568dcf8d12ec02fb7b11f92da4a68738eaa442eafafd3e49
[INFO] running `"docker" "start" "-a" "17f7ba75bde09056568dcf8d12ec02fb7b11f92da4a68738eaa442eafafd3e49"`
[INFO] [stderr]    Compiling muff v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "17f7ba75bde09056568dcf8d12ec02fb7b11f92da4a68738eaa442eafafd3e49"`
[INFO] running `"docker" "rm" "-f" "17f7ba75bde09056568dcf8d12ec02fb7b11f92da4a68738eaa442eafafd3e49"`
[INFO] [stdout] 17f7ba75bde09056568dcf8d12ec02fb7b11f92da4a68738eaa442eafafd3e49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/muff/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f1b7225f673cb15710be9af2cf278c79037d4112b02debf38c4ce137447748f
[INFO] running `"docker" "start" "-a" "8f1b7225f673cb15710be9af2cf278c79037d4112b02debf38c4ce137447748f"`
[INFO] [stderr]    Compiling muff v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "8f1b7225f673cb15710be9af2cf278c79037d4112b02debf38c4ce137447748f"`
[INFO] running `"docker" "rm" "-f" "8f1b7225f673cb15710be9af2cf278c79037d4112b02debf38c4ce137447748f"`
[INFO] [stdout] 8f1b7225f673cb15710be9af2cf278c79037d4112b02debf38c4ce137447748f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/muff/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9c0077de7523737c053cc447398d920f6321d82c2cdbac46aead20201f604348
[INFO] running `"docker" "start" "-a" "9c0077de7523737c053cc447398d920f6321d82c2cdbac46aead20201f604348"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/muff-91cac8525f423a0c
[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" "9c0077de7523737c053cc447398d920f6321d82c2cdbac46aead20201f604348"`
[INFO] running `"docker" "rm" "-f" "9c0077de7523737c053cc447398d920f6321d82c2cdbac46aead20201f604348"`
[INFO] [stdout] 9c0077de7523737c053cc447398d920f6321d82c2cdbac46aead20201f604348