[INFO] crate ruck 0.2.0 is already in cache
[INFO] extracting crate ruck 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ruck/0.2.0
[INFO] extracting crate ruck 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ruck/0.2.0
[INFO] validating manifest of ruck-0.2.0 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 ruck-0.2.0 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 ruck-0.2.0
[INFO] finished frobbing ruck-0.2.0
[INFO] frobbed toml for ruck-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ruck/0.2.0/Cargo.toml
[INFO] started frobbing ruck-0.2.0
[INFO] finished frobbing ruck-0.2.0
[INFO] frobbed toml for ruck-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ruck/0.2.0/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] 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] testing ruck-0.2.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ruck/0.2.0:/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] f5c14521da2ec42d3ee0fa71b0ba590650f7f5d51ee74ed4a2bf3d691e552bb3
[INFO] running `"docker" "start" "-a" "f5c14521da2ec42d3ee0fa71b0ba590650f7f5d51ee74ed4a2bf3d691e552bb3"`
[INFO] [stderr]    Compiling ruck v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "f5c14521da2ec42d3ee0fa71b0ba590650f7f5d51ee74ed4a2bf3d691e552bb3"`
[INFO] running `"docker" "rm" "-f" "f5c14521da2ec42d3ee0fa71b0ba590650f7f5d51ee74ed4a2bf3d691e552bb3"`
[INFO] [stdout] f5c14521da2ec42d3ee0fa71b0ba590650f7f5d51ee74ed4a2bf3d691e552bb3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ruck/0.2.0:/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] 68016f203e1ed7b2250cb5844d831869ec0761ee493b877a19704c164ce0cf3b
[INFO] running `"docker" "start" "-a" "68016f203e1ed7b2250cb5844d831869ec0761ee493b877a19704c164ce0cf3b"`
[INFO] [stderr]    Compiling ruck v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "68016f203e1ed7b2250cb5844d831869ec0761ee493b877a19704c164ce0cf3b"`
[INFO] running `"docker" "rm" "-f" "68016f203e1ed7b2250cb5844d831869ec0761ee493b877a19704c164ce0cf3b"`
[INFO] [stdout] 68016f203e1ed7b2250cb5844d831869ec0761ee493b877a19704c164ce0cf3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ruck/0.2.0:/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] c9cf24537fbae8390528a1090468d72dcba8709890d89139fc1e817663a3157b
[INFO] running `"docker" "start" "-a" "c9cf24537fbae8390528a1090468d72dcba8709890d89139fc1e817663a3157b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ruck-d3e9ee3e7b55969b
[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" "c9cf24537fbae8390528a1090468d72dcba8709890d89139fc1e817663a3157b"`
[INFO] running `"docker" "rm" "-f" "c9cf24537fbae8390528a1090468d72dcba8709890d89139fc1e817663a3157b"`
[INFO] [stdout] c9cf24537fbae8390528a1090468d72dcba8709890d89139fc1e817663a3157b