[INFO] fetching crate daggy 0.8.0...
[INFO] testing daggy-0.8.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate daggy 0.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate daggy 0.8.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate daggy 0.8.0
[INFO] finished tweaking crates.io crate daggy 0.8.0
[INFO] tweaked toml for crates.io crate daggy 0.8.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42c199645c0b72cc65f3c8ac1da7366d689bc322ce1d9017f9f02237b18c0a0b
[INFO] running `Command { std: "docker" "start" "-a" "42c199645c0b72cc65f3c8ac1da7366d689bc322ce1d9017f9f02237b18c0a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42c199645c0b72cc65f3c8ac1da7366d689bc322ce1d9017f9f02237b18c0a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c199645c0b72cc65f3c8ac1da7366d689bc322ce1d9017f9f02237b18c0a0b", kill_on_drop: false }`
[INFO] [stdout] 42c199645c0b72cc65f3c8ac1da7366d689bc322ce1d9017f9f02237b18c0a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d511c23c5470b950a412c0e16d6d73805ac6ef7746650005525cdee8509e5fb2
[INFO] running `Command { std: "docker" "start" "-a" "d511c23c5470b950a412c0e16d6d73805ac6ef7746650005525cdee8509e5fb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling daggy v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "d511c23c5470b950a412c0e16d6d73805ac6ef7746650005525cdee8509e5fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d511c23c5470b950a412c0e16d6d73805ac6ef7746650005525cdee8509e5fb2", kill_on_drop: false }`
[INFO] [stdout] d511c23c5470b950a412c0e16d6d73805ac6ef7746650005525cdee8509e5fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21a02c2005f4c471a84ed7844c7b5f635edeb21e07bc59d4b6ce8c4eeccc031
[INFO] running `Command { std: "docker" "start" "-a" "b21a02c2005f4c471a84ed7844c7b5f635edeb21e07bc59d4b6ce8c4eeccc031", kill_on_drop: false }`
[INFO] [stderr]    Compiling daggy v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "b21a02c2005f4c471a84ed7844c7b5f635edeb21e07bc59d4b6ce8c4eeccc031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21a02c2005f4c471a84ed7844c7b5f635edeb21e07bc59d4b6ce8c4eeccc031", kill_on_drop: false }`
[INFO] [stdout] b21a02c2005f4c471a84ed7844c7b5f635edeb21e07bc59d4b6ce8c4eeccc031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bdeee1f512e3ff4410548f168ecce6f26b002c44132a3b938b159a4996a8a70
[INFO] running `Command { std: "docker" "start" "-a" "7bdeee1f512e3ff4410548f168ecce6f26b002c44132a3b938b159a4996a8a70", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/daggy-45299c07c3840134)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/add_edges.rs (/opt/rustwide/target/debug/deps/add_edges-05c47e64ea8a540a)
[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 5 tests
[INFO] [stdout] test add_edges_err ... ok
[INFO] [stdout] test add_edges_more ... ok
[INFO] [stdout] test add_edges_err_loop ... ok
[INFO] [stdout] test add_edges_ok ... ok
[INFO] [stdout] test add_edges_more2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/add_edges_stable.rs (/opt/rustwide/target/debug/deps/add_edges_stable-fb0a236b7462d5fe)
[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-6f46b9be8c13307c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test children ... ok
[INFO] [stdout] test weights ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterators_stable.rs (/opt/rustwide/target/debug/deps/iterators_stable-eb93a620f6f6ec46)
[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/stable_indices.rs (/opt/rustwide/target/debug/deps/stable_indices-ca9ac1898fd1b049)
[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/walkers.rs (/opt/rustwide/target/debug/deps/walkers-221c298aa6c96211)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test any ... ok
[INFO] [stdout] test all ... ok
[INFO] [stdout] test chain ... ok
[INFO] [stdout] test count ... ok
[INFO] [stdout] test children ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test find ... ok
[INFO] [stdout] test fold ... 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] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/walkers_stable.rs (/opt/rustwide/target/debug/deps/walkers_stable-870e088d8c79a403)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests daggy
[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" "7bdeee1f512e3ff4410548f168ecce6f26b002c44132a3b938b159a4996a8a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bdeee1f512e3ff4410548f168ecce6f26b002c44132a3b938b159a4996a8a70", kill_on_drop: false }`
[INFO] [stdout] 7bdeee1f512e3ff4410548f168ecce6f26b002c44132a3b938b159a4996a8a70