[INFO] fetching crate daggy 0.7.0...
[INFO] testing daggy-0.7.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate daggy 0.7.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate daggy 0.7.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0a64c161257e76fac121f157e7bb9b78c0cca2f7f1b11de78f22c3f8866194
[INFO] running `Command { std: "docker" "start" "-a" "3b0a64c161257e76fac121f157e7bb9b78c0cca2f7f1b11de78f22c3f8866194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0a64c161257e76fac121f157e7bb9b78c0cca2f7f1b11de78f22c3f8866194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0a64c161257e76fac121f157e7bb9b78c0cca2f7f1b11de78f22c3f8866194", kill_on_drop: false }`
[INFO] [stdout] 3b0a64c161257e76fac121f157e7bb9b78c0cca2f7f1b11de78f22c3f8866194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4144e94393252432ff6d216cfd6a7cb9fd021eab637ec0e9a25e17acb584e74
[INFO] running `Command { std: "docker" "start" "-a" "a4144e94393252432ff6d216cfd6a7cb9fd021eab637ec0e9a25e17acb584e74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[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 8.08s
[INFO] running `Command { std: "docker" "inspect" "a4144e94393252432ff6d216cfd6a7cb9fd021eab637ec0e9a25e17acb584e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4144e94393252432ff6d216cfd6a7cb9fd021eab637ec0e9a25e17acb584e74", kill_on_drop: false }`
[INFO] [stdout] a4144e94393252432ff6d216cfd6a7cb9fd021eab637ec0e9a25e17acb584e74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f64af3646e912750eb563b882f30e235c25be4668853806b1ba61507c24772e
[INFO] running `Command { std: "docker" "start" "-a" "9f64af3646e912750eb563b882f30e235c25be4668853806b1ba61507c24772e", kill_on_drop: false }`
[INFO] [stderr]    Compiling daggy v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9f64af3646e912750eb563b882f30e235c25be4668853806b1ba61507c24772e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f64af3646e912750eb563b882f30e235c25be4668853806b1ba61507c24772e", kill_on_drop: false }`
[INFO] [stdout] 9f64af3646e912750eb563b882f30e235c25be4668853806b1ba61507c24772e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2c141440810c808113a44360b6d7cde73075300a62d7bde6a4184652e0db577
[INFO] running `Command { std: "docker" "start" "-a" "b2c141440810c808113a44360b6d7cde73075300a62d7bde6a4184652e0db577", 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-e89019512e5ffb66)
[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-d553206ae48b753e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test add_edges_more2 ... ok
[INFO] [stdout] test add_edges_err ... ok
[INFO] [stdout] test add_edges_ok ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/add_edges_stable.rs (/opt/rustwide/target/debug/deps/add_edges_stable-d258d05ef22921ca)
[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-abeb506fb972c5c9)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterators_stable.rs (/opt/rustwide/target/debug/deps/iterators_stable-37c5d378542ffda5)
[INFO] [stdout] running 3 tests
[INFO] [stdout] test children ... ok
[INFO] [stdout] test parents ... ok
[INFO] [stdout] test weights ... 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] [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-37e860e615f706a5)
[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-8b4a148666cf20dd)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test all ... ok
[INFO] [stdout] test any ... ok
[INFO] [stdout] test chain ... ok
[INFO] [stdout] test children ... ok
[INFO] [stdout] test count ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/walkers_stable.rs (/opt/rustwide/target/debug/deps/walkers_stable-5f43a816f8b40857)
[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]    Doc-tests daggy
[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" "b2c141440810c808113a44360b6d7cde73075300a62d7bde6a4184652e0db577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c141440810c808113a44360b6d7cde73075300a62d7bde6a4184652e0db577", kill_on_drop: false }`
[INFO] [stdout] b2c141440810c808113a44360b6d7cde73075300a62d7bde6a4184652e0db577
