[INFO] crate waterfall 0.7.1 is already in cache
[INFO] extracting crate waterfall 0.7.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/waterfall/0.7.1
[INFO] extracting crate waterfall 0.7.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/waterfall/0.7.1
[INFO] validating manifest of waterfall-0.7.1 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 waterfall-0.7.1 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 waterfall-0.7.1
[INFO] finished frobbing waterfall-0.7.1
[INFO] frobbed toml for waterfall-0.7.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/waterfall/0.7.1/Cargo.toml
[INFO] started frobbing waterfall-0.7.1
[INFO] finished frobbing waterfall-0.7.1
[INFO] frobbed toml for waterfall-0.7.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/waterfall/0.7.1/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] [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 waterfall-0.7.1 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-2/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/waterfall/0.7.1:/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] 261a95793a9b60acea09c10f9f9cef8c936ab37370be38f0a391dea56dcc0daf
[INFO] running `"docker" "start" "-a" "261a95793a9b60acea09c10f9f9cef8c936ab37370be38f0a391dea56dcc0daf"`
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling hsl v0.1.1
[INFO] [stderr]    Compiling stb_truetype v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling heatmap v0.6.6
[INFO] [stderr]    Compiling rusttype v0.1.2
[INFO] [stderr]    Compiling waterfall v0.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `"docker" "inspect" "261a95793a9b60acea09c10f9f9cef8c936ab37370be38f0a391dea56dcc0daf"`
[INFO] running `"docker" "rm" "-f" "261a95793a9b60acea09c10f9f9cef8c936ab37370be38f0a391dea56dcc0daf"`
[INFO] [stdout] 261a95793a9b60acea09c10f9f9cef8c936ab37370be38f0a391dea56dcc0daf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/waterfall/0.7.1:/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] cdf2d709430179e5683480f395eaf98738de411fa783f3da94321f9022cf47fd
[INFO] running `"docker" "start" "-a" "cdf2d709430179e5683480f395eaf98738de411fa783f3da94321f9022cf47fd"`
[INFO] [stderr]    Compiling waterfall v0.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "cdf2d709430179e5683480f395eaf98738de411fa783f3da94321f9022cf47fd"`
[INFO] running `"docker" "rm" "-f" "cdf2d709430179e5683480f395eaf98738de411fa783f3da94321f9022cf47fd"`
[INFO] [stdout] cdf2d709430179e5683480f395eaf98738de411fa783f3da94321f9022cf47fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/waterfall/0.7.1:/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] 1e85215bd2acac647231f1d4c3a262a768530e27fb24f0a751ebf649a62c519f
[INFO] running `"docker" "start" "-a" "1e85215bd2acac647231f1d4c3a262a768530e27fb24f0a751ebf649a62c519f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/waterfall-63bbb658a16d2d91
[INFO] [stderr]    Doc-tests waterfall
[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] [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" "1e85215bd2acac647231f1d4c3a262a768530e27fb24f0a751ebf649a62c519f"`
[INFO] running `"docker" "rm" "-f" "1e85215bd2acac647231f1d4c3a262a768530e27fb24f0a751ebf649a62c519f"`
[INFO] [stdout] 1e85215bd2acac647231f1d4c3a262a768530e27fb24f0a751ebf649a62c519f