[INFO] fetching crate daggy 0.7.0...
[INFO] testing daggy-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate daggy 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate daggy 0.7.0 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 daggy 0.7.0
[INFO] finished tweaking crates.io crate daggy 0.7.0
[INFO] tweaked toml for crates.io crate daggy 0.7.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4668a308ad8723cf3235692db3fadaddd3ff98fdd054bc8dbfb0f734fe8d2d45
[INFO] running `Command { std: "docker" "start" "-a" "4668a308ad8723cf3235692db3fadaddd3ff98fdd054bc8dbfb0f734fe8d2d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4668a308ad8723cf3235692db3fadaddd3ff98fdd054bc8dbfb0f734fe8d2d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4668a308ad8723cf3235692db3fadaddd3ff98fdd054bc8dbfb0f734fe8d2d45", kill_on_drop: false }`
[INFO] [stdout] 4668a308ad8723cf3235692db3fadaddd3ff98fdd054bc8dbfb0f734fe8d2d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1d3979ed20dc02584cb02385b1034aed1f38d5cca75ead67b09fc80618b7aecb
[INFO] running `Command { std: "docker" "start" "-a" "1d3979ed20dc02584cb02385b1034aed1f38d5cca75ead67b09fc80618b7aecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling daggy v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "1d3979ed20dc02584cb02385b1034aed1f38d5cca75ead67b09fc80618b7aecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3979ed20dc02584cb02385b1034aed1f38d5cca75ead67b09fc80618b7aecb", kill_on_drop: false }`
[INFO] [stdout] 1d3979ed20dc02584cb02385b1034aed1f38d5cca75ead67b09fc80618b7aecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2f62572d9660ef6314e4ce4f0c26d9d2f690e956b47d28b757fb44b1fa955fee
[INFO] running `Command { std: "docker" "start" "-a" "2f62572d9660ef6314e4ce4f0c26d9d2f690e956b47d28b757fb44b1fa955fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling daggy v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "2f62572d9660ef6314e4ce4f0c26d9d2f690e956b47d28b757fb44b1fa955fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f62572d9660ef6314e4ce4f0c26d9d2f690e956b47d28b757fb44b1fa955fee", kill_on_drop: false }`
[INFO] [stdout] 2f62572d9660ef6314e4ce4f0c26d9d2f690e956b47d28b757fb44b1fa955fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 92a841ef2a820c8e0f71dcdf3ce5389092cedd3f37d0492841f469bdf075d996
[INFO] running `Command { std: "docker" "start" "-a" "92a841ef2a820c8e0f71dcdf3ce5389092cedd3f37d0492841f469bdf075d996", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/daggy-016832bbc2f5ea01)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/add_edges.rs (/opt/rustwide/target/debug/deps/add_edges-fbf635b75d8e0eb6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test add_edges_ok ... ok
[INFO] [stdout] test add_edges_err ... ok
[INFO] [stdout] test add_edges_more2 ... ok
[INFO] [stdout] test add_edges_more ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/add_edges_stable.rs (/opt/rustwide/target/debug/deps/add_edges_stable-eb8c3846b5873ea1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterators.rs (/opt/rustwide/target/debug/deps/iterators-0b7ea82218d13ce1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/iterators_stable.rs (/opt/rustwide/target/debug/deps/iterators_stable-ff467c286de8d0e3)
[INFO] [stdout] test weights ... ok
[INFO] [stdout] test children ... ok
[INFO] [stdout] test parents ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stable_indices.rs (/opt/rustwide/target/debug/deps/stable_indices-5bea506055b39df6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/walkers.rs (/opt/rustwide/target/debug/deps/walkers-369b811981624f97)
[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] [stdout] 
[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] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test any ... ok
[INFO] [stdout] test count ... ok
[INFO] [stdout] test find ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test chain ... ok
[INFO] [stdout] test children ... ok
[INFO] [stdout] test take_while ... ok
[INFO] [stdout] test all ... ok
[INFO] [stdout] test peekable ... ok
[INFO] [stderr]      Running tests/walkers_stable.rs (/opt/rustwide/target/debug/deps/walkers_stable-3610d55df649e376)
[INFO] [stdout] test parents ... ok
[INFO] [stderr]    Doc-tests daggy
[INFO] [stdout] test last ... ok
[INFO] [stdout] test skip_while ... ok
[INFO] [stdout] test nth ... ok
[INFO] [stdout] test take ... ok
[INFO] [stdout] test recursive_walk ... ok
[INFO] [stdout] test fold ... ok
[INFO] [stdout] test skip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92a841ef2a820c8e0f71dcdf3ce5389092cedd3f37d0492841f469bdf075d996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a841ef2a820c8e0f71dcdf3ce5389092cedd3f37d0492841f469bdf075d996", kill_on_drop: false }`
[INFO] [stdout] 92a841ef2a820c8e0f71dcdf3ce5389092cedd3f37d0492841f469bdf075d996