[INFO] crate iterlower 1.0.1 is already in cache
[INFO] extracting crate iterlower 1.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/iterlower/1.0.1
[INFO] extracting crate iterlower 1.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iterlower/1.0.1
[INFO] validating manifest of iterlower-1.0.1 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 iterlower-1.0.1 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 iterlower-1.0.1
[INFO] finished frobbing iterlower-1.0.1
[INFO] frobbed toml for iterlower-1.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/iterlower/1.0.1/Cargo.toml
[INFO] started frobbing iterlower-1.0.1
[INFO] finished frobbing iterlower-1.0.1
[INFO] frobbed toml for iterlower-1.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/iterlower/1.0.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing iterlower-1.0.1 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/iterlower/1.0.1:/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] d907132fd470a7f4196e6dbb4841de2215666551b5b8b444582b42f9275f01c0
[INFO] running `"docker" "start" "-a" "d907132fd470a7f4196e6dbb4841de2215666551b5b8b444582b42f9275f01c0"`
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-hangul v0.9.0
[INFO] [stderr]    Compiling unic-ucd-category v0.9.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-ucd-common v0.9.0
[INFO] [stderr]    Compiling unic-ucd-block v0.9.0
[INFO] [stderr]    Compiling unic-ucd-age v0.9.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name_aliases v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-ucd-case v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name v0.9.0
[INFO] [stderr]    Compiling unic-ucd-normal v0.9.0
[INFO] [stderr]    Compiling unic-ucd v0.9.0
[INFO] [stderr]    Compiling iterlower v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.78s
[INFO] running `"docker" "inspect" "d907132fd470a7f4196e6dbb4841de2215666551b5b8b444582b42f9275f01c0"`
[INFO] running `"docker" "rm" "-f" "d907132fd470a7f4196e6dbb4841de2215666551b5b8b444582b42f9275f01c0"`
[INFO] [stdout] d907132fd470a7f4196e6dbb4841de2215666551b5b8b444582b42f9275f01c0
[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/iterlower/1.0.1:/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] 5669871a2760540783f16180a2ffc3df743b1a6ee5d9f3b9dd0cd7713c4e64ea
[INFO] running `"docker" "start" "-a" "5669871a2760540783f16180a2ffc3df743b1a6ee5d9f3b9dd0cd7713c4e64ea"`
[INFO] [stderr]    Compiling iterlower v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "5669871a2760540783f16180a2ffc3df743b1a6ee5d9f3b9dd0cd7713c4e64ea"`
[INFO] running `"docker" "rm" "-f" "5669871a2760540783f16180a2ffc3df743b1a6ee5d9f3b9dd0cd7713c4e64ea"`
[INFO] [stdout] 5669871a2760540783f16180a2ffc3df743b1a6ee5d9f3b9dd0cd7713c4e64ea
[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/iterlower/1.0.1:/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] 97239b5ca7c87838f94e5927e13087c12bb3274b50c249a32c7065065c2ab9eb
[INFO] running `"docker" "start" "-a" "97239b5ca7c87838f94e5927e13087c12bb3274b50c249a32c7065065c2ab9eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iterlower-eccbc88b6b0dc645
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_i ... ok
[INFO] [stdout] test tests::test_sigma ... ok
[INFO] [stdout] test tests::test_uncased ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterlower
[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" "97239b5ca7c87838f94e5927e13087c12bb3274b50c249a32c7065065c2ab9eb"`
[INFO] running `"docker" "rm" "-f" "97239b5ca7c87838f94e5927e13087c12bb3274b50c249a32c7065065c2ab9eb"`
[INFO] [stdout] 97239b5ca7c87838f94e5927e13087c12bb3274b50c249a32c7065065c2ab9eb