[INFO] fetching crate igraph 0.1.1...
[INFO] testing igraph-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate igraph 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate igraph 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate igraph 0.1.1
[INFO] finished tweaking crates.io crate igraph 0.1.1
[INFO] tweaked toml for crates.io crate igraph 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b7b214956d247a9baba2237fc0df81809981b6213ae5d7b4e1a375ee4856e98
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b7b214956d247a9baba2237fc0df81809981b6213ae5d7b4e1a375ee4856e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b7b214956d247a9baba2237fc0df81809981b6213ae5d7b4e1a375ee4856e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7b214956d247a9baba2237fc0df81809981b6213ae5d7b4e1a375ee4856e98", kill_on_drop: false }`
[INFO] [stdout] 9b7b214956d247a9baba2237fc0df81809981b6213ae5d7b4e1a375ee4856e98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e56219e09c7982047a9adcdbe31eb6c9fd700e66238b765937af823a7f706c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e56219e09c7982047a9adcdbe31eb6c9fd700e66238b765937af823a7f706c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling igraph v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4e56219e09c7982047a9adcdbe31eb6c9fd700e66238b765937af823a7f706c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e56219e09c7982047a9adcdbe31eb6c9fd700e66238b765937af823a7f706c4", kill_on_drop: false }`
[INFO] [stdout] 4e56219e09c7982047a9adcdbe31eb6c9fd700e66238b765937af823a7f706c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0ba2b8d79a2f19b916b07305d0e0ef67a55ac2284a47d96656010bff78757ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0ba2b8d79a2f19b916b07305d0e0ef67a55ac2284a47d96656010bff78757ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling igraph v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d0ba2b8d79a2f19b916b07305d0e0ef67a55ac2284a47d96656010bff78757ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba2b8d79a2f19b916b07305d0e0ef67a55ac2284a47d96656010bff78757ed", kill_on_drop: false }`
[INFO] [stdout] d0ba2b8d79a2f19b916b07305d0e0ef67a55ac2284a47d96656010bff78757ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8168d4911db5feaf2d263616e16fbe41084c6037f0d1af13d0ffe22f30ecc410
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8168d4911db5feaf2d263616e16fbe41084c6037f0d1af13d0ffe22f30ecc410", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/igraph-b0d4ed36b2752189)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests igraph
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::get_key_values (line 89) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::insert (line 236) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::new (line 21) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::contains_key (line 214) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::is_empty (line 305) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::last_key_value (line 165) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::len (line 289) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::get (line 67) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::first_key_value (line 112) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::clear (line 50) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::index (line 325) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::iter (line 342) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::pop_first (line 134) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::pop_last (line 188) ... ok
[INFO] [stdout] test src/lib.rs - IndexedGraph<K, V>::insert_edge (line 268) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8168d4911db5feaf2d263616e16fbe41084c6037f0d1af13d0ffe22f30ecc410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8168d4911db5feaf2d263616e16fbe41084c6037f0d1af13d0ffe22f30ecc410", kill_on_drop: false }`
[INFO] [stdout] 8168d4911db5feaf2d263616e16fbe41084c6037f0d1af13d0ffe22f30ecc410