[INFO] fetching crate smallgraph 0.0.7...
[INFO] testing smallgraph-0.0.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate smallgraph 0.0.7 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate smallgraph 0.0.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smallgraph 0.0.7
[INFO] finished tweaking crates.io crate smallgraph 0.0.7
[INFO] tweaked toml for crates.io crate smallgraph 0.0.7 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab9e3c2e3a8ceeb160cc220291c99d1334722e41a564fbda014d493637b6904
[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" "dab9e3c2e3a8ceeb160cc220291c99d1334722e41a564fbda014d493637b6904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab9e3c2e3a8ceeb160cc220291c99d1334722e41a564fbda014d493637b6904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab9e3c2e3a8ceeb160cc220291c99d1334722e41a564fbda014d493637b6904", kill_on_drop: false }`
[INFO] [stdout] dab9e3c2e3a8ceeb160cc220291c99d1334722e41a564fbda014d493637b6904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07680e609a45e6e9f4a9614626907aa45cda6a13b6174bd2e7ba35bdc59d90b2
[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" "07680e609a45e6e9f4a9614626907aa45cda6a13b6174bd2e7ba35bdc59d90b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallgraph v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "07680e609a45e6e9f4a9614626907aa45cda6a13b6174bd2e7ba35bdc59d90b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07680e609a45e6e9f4a9614626907aa45cda6a13b6174bd2e7ba35bdc59d90b2", kill_on_drop: false }`
[INFO] [stdout] 07680e609a45e6e9f4a9614626907aa45cda6a13b6174bd2e7ba35bdc59d90b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 635cd3fcb6ece141faf21e07f01a736483dcfbad20a2649a1e8bce90b254f4ba
[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" "635cd3fcb6ece141faf21e07f01a736483dcfbad20a2649a1e8bce90b254f4ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallgraph v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "635cd3fcb6ece141faf21e07f01a736483dcfbad20a2649a1e8bce90b254f4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635cd3fcb6ece141faf21e07f01a736483dcfbad20a2649a1e8bce90b254f4ba", kill_on_drop: false }`
[INFO] [stdout] 635cd3fcb6ece141faf21e07f01a736483dcfbad20a2649a1e8bce90b254f4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36f37d9f9f6956006116e2227ad4e8cb88fb822b45177cec13c2bd9a36d3ca61
[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" "36f37d9f9f6956006116e2227ad4e8cb88fb822b45177cec13c2bd9a36d3ca61", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smallgraph-4eb70f1a8820c389
[INFO] [stdout] test tests::test_basic_0 ... ok
[INFO] [stderr]    Doc-tests smallgraph
[INFO] [stdout] test tests::test_basic_2 ... ok
[INFO] [stdout] test tests::test_basic_1 ... ok
[INFO] [stdout] test tests::test_basic_4 ... ok
[INFO] [stdout] test tests::test_basic_3 ... ok
[INFO] [stdout] test tests::test_basic_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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 `Command { std: "docker" "inspect" "36f37d9f9f6956006116e2227ad4e8cb88fb822b45177cec13c2bd9a36d3ca61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f37d9f9f6956006116e2227ad4e8cb88fb822b45177cec13c2bd9a36d3ca61", kill_on_drop: false }`
[INFO] [stdout] 36f37d9f9f6956006116e2227ad4e8cb88fb822b45177cec13c2bd9a36d3ca61