[INFO] crate iff 0.1.0 is already in cache
[INFO] extracting crate iff 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/iff/0.1.0
[INFO] extracting crate iff 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iff/0.1.0
[INFO] validating manifest of iff-0.1.0 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 iff-0.1.0 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 iff-0.1.0
[INFO] finished frobbing iff-0.1.0
[INFO] frobbed toml for iff-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iff/0.1.0/Cargo.toml
[INFO] started frobbing iff-0.1.0
[INFO] finished frobbing iff-0.1.0
[INFO] frobbed toml for iff-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iff/0.1.0/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 iff-0.1.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iff/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5721b729373e28f98debfa7b58dab57c50054885f499bd0266ac758b1b1d7d57
[INFO] running `"docker" "start" "-a" "5721b729373e28f98debfa7b58dab57c50054885f499bd0266ac758b1b1d7d57"`
[INFO] [stderr]    Compiling iff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "5721b729373e28f98debfa7b58dab57c50054885f499bd0266ac758b1b1d7d57"`
[INFO] running `"docker" "rm" "-f" "5721b729373e28f98debfa7b58dab57c50054885f499bd0266ac758b1b1d7d57"`
[INFO] [stdout] 5721b729373e28f98debfa7b58dab57c50054885f499bd0266ac758b1b1d7d57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iff/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ea3c81c19ba10070533d364699a7c55b86ca4cf4523fc7aa7c62284ef30bb37a
[INFO] running `"docker" "start" "-a" "ea3c81c19ba10070533d364699a7c55b86ca4cf4523fc7aa7c62284ef30bb37a"`
[INFO] [stderr]    Compiling iff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "ea3c81c19ba10070533d364699a7c55b86ca4cf4523fc7aa7c62284ef30bb37a"`
[INFO] running `"docker" "rm" "-f" "ea3c81c19ba10070533d364699a7c55b86ca4cf4523fc7aa7c62284ef30bb37a"`
[INFO] [stdout] ea3c81c19ba10070533d364699a7c55b86ca4cf4523fc7aa7c62284ef30bb37a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iff/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2da39d27df2a8b4b69d25939c004194cdff19c7fd57d4d146410025270f4e7f5
[INFO] running `"docker" "start" "-a" "2da39d27df2a8b4b69d25939c004194cdff19c7fd57d4d146410025270f4e7f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iff-9dc828cfb37e95c9
[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/tests-1fd9f0bd63b3f93a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test t ... 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 iff
[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" "2da39d27df2a8b4b69d25939c004194cdff19c7fd57d4d146410025270f4e7f5"`
[INFO] running `"docker" "rm" "-f" "2da39d27df2a8b4b69d25939c004194cdff19c7fd57d4d146410025270f4e7f5"`
[INFO] [stdout] 2da39d27df2a8b4b69d25939c004194cdff19c7fd57d4d146410025270f4e7f5