[INFO] crate topological-sort 0.1.0 is already in cache
[INFO] extracting crate topological-sort 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/topological-sort/0.1.0
[INFO] extracting crate topological-sort 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/topological-sort/0.1.0
[INFO] validating manifest of topological-sort-0.1.0 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 topological-sort-0.1.0 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 topological-sort-0.1.0
[INFO] finished frobbing topological-sort-0.1.0
[INFO] frobbed toml for topological-sort-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/topological-sort/0.1.0/Cargo.toml
[INFO] started frobbing topological-sort-0.1.0
[INFO] finished frobbing topological-sort-0.1.0
[INFO] frobbed toml for topological-sort-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/topological-sort/0.1.0/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] [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" "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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing topological-sort-0.1.0 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-7/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/topological-sort/0.1.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9cd6dd80bfeb24f6050f658573c4582b49cbddcfa1bc9b311e512ce5eb4ade8a
[INFO] running `"docker" "start" "-a" "9cd6dd80bfeb24f6050f658573c4582b49cbddcfa1bc9b311e512ce5eb4ade8a"`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "9cd6dd80bfeb24f6050f658573c4582b49cbddcfa1bc9b311e512ce5eb4ade8a"`
[INFO] running `"docker" "rm" "-f" "9cd6dd80bfeb24f6050f658573c4582b49cbddcfa1bc9b311e512ce5eb4ade8a"`
[INFO] [stdout] 9cd6dd80bfeb24f6050f658573c4582b49cbddcfa1bc9b311e512ce5eb4ade8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/topological-sort/0.1.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c6a2033b0284b13d2f06c95cfd5ffdd5dd375e219b4d00219a2896aeca63dd53
[INFO] running `"docker" "start" "-a" "c6a2033b0284b13d2f06c95cfd5ffdd5dd375e219b4d00219a2896aeca63dd53"`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "c6a2033b0284b13d2f06c95cfd5ffdd5dd375e219b4d00219a2896aeca63dd53"`
[INFO] running `"docker" "rm" "-f" "c6a2033b0284b13d2f06c95cfd5ffdd5dd375e219b4d00219a2896aeca63dd53"`
[INFO] [stdout] c6a2033b0284b13d2f06c95cfd5ffdd5dd375e219b4d00219a2896aeca63dd53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/topological-sort/0.1.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 896312096cf66432ef3505d6dc3a889df961fc225431054f586218d25e8ce6f9
[INFO] running `"docker" "start" "-a" "896312096cf66432ef3505d6dc3a889df961fc225431054f586218d25e8ce6f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/topological_sort-a9f85368f26245c1
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::pop_all ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] test test::cyclic_deadlock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topological-sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::new (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "896312096cf66432ef3505d6dc3a889df961fc225431054f586218d25e8ce6f9"`
[INFO] running `"docker" "rm" "-f" "896312096cf66432ef3505d6dc3a889df961fc225431054f586218d25e8ce6f9"`
[INFO] [stdout] 896312096cf66432ef3505d6dc3a889df961fc225431054f586218d25e8ce6f9