[INFO] crate yeast 0.20.0 is already in cache
[INFO] extracting crate yeast 0.20.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0
[INFO] extracting crate yeast 0.20.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0
[INFO] validating manifest of yeast-0.20.0 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 yeast-0.20.0 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 yeast-0.20.0
[INFO] finished frobbing yeast-0.20.0
[INFO] frobbed toml for yeast-0.20.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0/Cargo.toml
[INFO] started frobbing yeast-0.20.0
[INFO] finished frobbing yeast-0.20.0
[INFO] frobbed toml for yeast-0.20.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/yeast/0.20.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yeast-0.20.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] eab686d9bc724973167a6df4d46636fadc77c5eb072995e0c6cbe3b71abff0fe
[INFO] running `"docker" "start" "-a" "eab686d9bc724973167a6df4d46636fadc77c5eb072995e0c6cbe3b71abff0fe"`
[INFO] [stderr]    Compiling yeast v0.20.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "eab686d9bc724973167a6df4d46636fadc77c5eb072995e0c6cbe3b71abff0fe"`
[INFO] running `"docker" "rm" "-f" "eab686d9bc724973167a6df4d46636fadc77c5eb072995e0c6cbe3b71abff0fe"`
[INFO] [stdout] eab686d9bc724973167a6df4d46636fadc77c5eb072995e0c6cbe3b71abff0fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9a5d95364f9d3897c834fae12d2330fb35e8d8c636e6041e02bcb4cb9bc8754
[INFO] running `"docker" "start" "-a" "a9a5d95364f9d3897c834fae12d2330fb35e8d8c636e6041e02bcb4cb9bc8754"`
[INFO] [stderr]    Compiling yeast v0.20.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "a9a5d95364f9d3897c834fae12d2330fb35e8d8c636e6041e02bcb4cb9bc8754"`
[INFO] running `"docker" "rm" "-f" "a9a5d95364f9d3897c834fae12d2330fb35e8d8c636e6041e02bcb4cb9bc8754"`
[INFO] [stdout] a9a5d95364f9d3897c834fae12d2330fb35e8d8c636e6041e02bcb4cb9bc8754
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/yeast/0.20.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ced99411e6a986c409aa641c146d5c046f1bf92bfedfa3ed784d636a11a192b1
[INFO] running `"docker" "start" "-a" "ced99411e6a986c409aa641c146d5c046f1bf92bfedfa3ed784d636a11a192b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yeast-74e7b7a80b5b1cf6
[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" "ced99411e6a986c409aa641c146d5c046f1bf92bfedfa3ed784d636a11a192b1"`
[INFO] running `"docker" "rm" "-f" "ced99411e6a986c409aa641c146d5c046f1bf92bfedfa3ed784d636a11a192b1"`
[INFO] [stdout] ced99411e6a986c409aa641c146d5c046f1bf92bfedfa3ed784d636a11a192b1