[INFO] crate wf 0.2.2 is already in cache
[INFO] extracting crate wf 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/wf/0.2.2
[INFO] extracting crate wf 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wf/0.2.2
[INFO] validating manifest of wf-0.2.2 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 wf-0.2.2 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 wf-0.2.2
[INFO] finished frobbing wf-0.2.2
[INFO] frobbed toml for wf-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wf/0.2.2/Cargo.toml
[INFO] started frobbing wf-0.2.2
[INFO] finished frobbing wf-0.2.2
[INFO] frobbed toml for wf-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wf/0.2.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wf-0.2.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wf/0.2.2:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9717984e8ee3ce3311a87a7e2c0db9e5c976126b33826d8e7658bdd56f6811c0
[INFO] running `"docker" "start" "-a" "9717984e8ee3ce3311a87a7e2c0db9e5c976126b33826d8e7658bdd56f6811c0"`
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling wf v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `"docker" "inspect" "9717984e8ee3ce3311a87a7e2c0db9e5c976126b33826d8e7658bdd56f6811c0"`
[INFO] running `"docker" "rm" "-f" "9717984e8ee3ce3311a87a7e2c0db9e5c976126b33826d8e7658bdd56f6811c0"`
[INFO] [stdout] 9717984e8ee3ce3311a87a7e2c0db9e5c976126b33826d8e7658bdd56f6811c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wf/0.2.2:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13e901d7b57545dabf5a5e344f92139c2dbdfa74597025f7e29c74ba7d92240e
[INFO] running `"docker" "start" "-a" "13e901d7b57545dabf5a5e344f92139c2dbdfa74597025f7e29c74ba7d92240e"`
[INFO] [stderr]    Compiling wf v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "13e901d7b57545dabf5a5e344f92139c2dbdfa74597025f7e29c74ba7d92240e"`
[INFO] running `"docker" "rm" "-f" "13e901d7b57545dabf5a5e344f92139c2dbdfa74597025f7e29c74ba7d92240e"`
[INFO] [stdout] 13e901d7b57545dabf5a5e344f92139c2dbdfa74597025f7e29c74ba7d92240e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wf/0.2.2:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a4ab20666d275ceb39606151057d79707a46c82d8cbe2227a1cf33aa63604ca7
[INFO] running `"docker" "start" "-a" "a4ab20666d275ceb39606151057d79707a46c82d8cbe2227a1cf33aa63604ca7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wf-19c11e4a6372e007
[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" "a4ab20666d275ceb39606151057d79707a46c82d8cbe2227a1cf33aa63604ca7"`
[INFO] running `"docker" "rm" "-f" "a4ab20666d275ceb39606151057d79707a46c82d8cbe2227a1cf33aa63604ca7"`
[INFO] [stdout] a4ab20666d275ceb39606151057d79707a46c82d8cbe2227a1cf33aa63604ca7