[INFO] crate daggy 0.6.0 is already in cache
[INFO] extracting crate daggy 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/daggy/0.6.0
[INFO] extracting crate daggy 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/daggy/0.6.0
[INFO] validating manifest of daggy-0.6.0 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 daggy-0.6.0 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 daggy-0.6.0
[INFO] finished frobbing daggy-0.6.0
[INFO] frobbed toml for daggy-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/daggy/0.6.0/Cargo.toml
[INFO] started frobbing daggy-0.6.0
[INFO] finished frobbing daggy-0.6.0
[INFO] frobbed toml for daggy-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/daggy/0.6.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing daggy-0.6.0 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-1/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/daggy/0.6.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 724b9087b2f938579122ea57ca7997e2d9b8f46053f99b6aaae744b97fc16887
[INFO] running `"docker" "start" "-a" "724b9087b2f938579122ea57ca7997e2d9b8f46053f99b6aaae744b97fc16887"`
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling daggy v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "724b9087b2f938579122ea57ca7997e2d9b8f46053f99b6aaae744b97fc16887"`
[INFO] running `"docker" "rm" "-f" "724b9087b2f938579122ea57ca7997e2d9b8f46053f99b6aaae744b97fc16887"`
[INFO] [stdout] 724b9087b2f938579122ea57ca7997e2d9b8f46053f99b6aaae744b97fc16887
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/daggy/0.6.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 84685a20624939717f63bca42b2abc076b46bc3188b5a4e486a3f6345deb64a9
[INFO] running `"docker" "start" "-a" "84685a20624939717f63bca42b2abc076b46bc3188b5a4e486a3f6345deb64a9"`
[INFO] [stderr]    Compiling daggy v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `"docker" "inspect" "84685a20624939717f63bca42b2abc076b46bc3188b5a4e486a3f6345deb64a9"`
[INFO] running `"docker" "rm" "-f" "84685a20624939717f63bca42b2abc076b46bc3188b5a4e486a3f6345deb64a9"`
[INFO] [stdout] 84685a20624939717f63bca42b2abc076b46bc3188b5a4e486a3f6345deb64a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/daggy/0.6.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b32fa6abe391225d2f5e5d0953e2f8f9cfd851a664e98caa6cc75fc6aaad645d
[INFO] running `"docker" "start" "-a" "b32fa6abe391225d2f5e5d0953e2f8f9cfd851a664e98caa6cc75fc6aaad645d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/daggy-58195b120587f33a
[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] [stderr]      Running /opt/crater/target/debug/deps/add_edges-e10f6a76e827ad8a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iterators-00b16d7a53240175
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test add_edges_ok ... ok
[INFO] [stdout] test add_edges_more2 ... ok
[INFO] [stdout] test add_edges_more ... ok
[INFO] [stdout] test add_edges_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test children ... ok
[INFO] [stdout] test parents ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/walkers-699f9e802097c4fc
[INFO] [stdout] test weights ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test fold ... ok
[INFO] [stdout] test find ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test count ... ok
[INFO] [stdout] test children ... ok
[INFO] [stdout] test any ... ok
[INFO] [stdout] test all ... ok
[INFO] [stdout] test last ... ok
[INFO] [stdout] test nth ... ok
[INFO] [stdout] test parents ... ok
[INFO] [stdout] test peekable ... ok
[INFO] [stdout] test recursive_walk ... ok
[INFO] [stdout] test skip ... ok
[INFO] [stdout] test skip_while ... ok
[INFO] [stdout] test take ... ok
[INFO] [stdout] test take_while ... ok
[INFO] [stderr]    Doc-tests daggy
[INFO] [stdout] test chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 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" "b32fa6abe391225d2f5e5d0953e2f8f9cfd851a664e98caa6cc75fc6aaad645d"`
[INFO] running `"docker" "rm" "-f" "b32fa6abe391225d2f5e5d0953e2f8f9cfd851a664e98caa6cc75fc6aaad645d"`
[INFO] [stdout] b32fa6abe391225d2f5e5d0953e2f8f9cfd851a664e98caa6cc75fc6aaad645d