[INFO] fetching crate fork-tree 3.0.0...
[INFO] testing fork-tree-3.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fork-tree 3.0.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate fork-tree 3.0.0 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 fork-tree 3.0.0
[INFO] finished tweaking crates.io crate fork-tree 3.0.0
[INFO] tweaked toml for crates.io crate fork-tree 3.0.0 written to /workspace/builds/worker-69/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.2.0
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded parity-scale-codec v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] db273c283e48f11238f067e2e8a0ab4fbd155ae94e3332460d6aba1f9c9ce270
[INFO] running `Command { std: "docker" "start" "-a" "db273c283e48f11238f067e2e8a0ab4fbd155ae94e3332460d6aba1f9c9ce270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db273c283e48f11238f067e2e8a0ab4fbd155ae94e3332460d6aba1f9c9ce270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db273c283e48f11238f067e2e8a0ab4fbd155ae94e3332460d6aba1f9c9ce270", kill_on_drop: false }`
[INFO] [stdout] db273c283e48f11238f067e2e8a0ab4fbd155ae94e3332460d6aba1f9c9ce270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 4f9ab4e6683e8840377c50404c70067b2041fab7aa2da5dd6ca3814bc0441298
[INFO] running `Command { std: "docker" "start" "-a" "4f9ab4e6683e8840377c50404c70067b2041fab7aa2da5dd6ca3814bc0441298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling parity-scale-codec v2.2.0
[INFO] [stderr]    Compiling fork-tree v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.63s
[INFO] running `Command { std: "docker" "inspect" "4f9ab4e6683e8840377c50404c70067b2041fab7aa2da5dd6ca3814bc0441298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9ab4e6683e8840377c50404c70067b2041fab7aa2da5dd6ca3814bc0441298", kill_on_drop: false }`
[INFO] [stdout] 4f9ab4e6683e8840377c50404c70067b2041fab7aa2da5dd6ca3814bc0441298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 7c98a7e7b33bd84ac72213f7c34e59a32f9047b1bad93ba2f8453de148b663da
[INFO] running `Command { std: "docker" "start" "-a" "7c98a7e7b33bd84ac72213f7c34e59a32f9047b1bad93ba2f8453de148b663da", kill_on_drop: false }`
[INFO] [stderr]    Compiling fork-tree v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "7c98a7e7b33bd84ac72213f7c34e59a32f9047b1bad93ba2f8453de148b663da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c98a7e7b33bd84ac72213f7c34e59a32f9047b1bad93ba2f8453de148b663da", kill_on_drop: false }`
[INFO] [stdout] 7c98a7e7b33bd84ac72213f7c34e59a32f9047b1bad93ba2f8453de148b663da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 656f9712be9837cce7074ac1d9fac410ed3d158472f493890e100c598c9b0960
[INFO] running `Command { std: "docker" "start" "-a" "656f9712be9837cce7074ac1d9fac410ed3d158472f493890e100c598c9b0960", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fork_tree-eed242b782fee0da)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::finalize_root_works ... ok
[INFO] [stdout] test test::finalize_with_ancestor_works ... ok
[INFO] [stdout] test test::find_node_works ... ok
[INFO] [stdout] test test::finalize_works ... ok
[INFO] [stdout] test test::find_node_backtracks_after_finding_highest_descending_node ... ok
[INFO] [stdout] test test::import_doesnt_add_duplicates ... ok
[INFO] [stdout] test test::tree_rebalance ... ok
[INFO] [stdout] test test::map_works ... ok
[INFO] [stdout] test test::finalize_with_descendent_works ... ok
[INFO] [stdout] test test::minimizes_calls_to_is_descendent_of ... ok
[INFO] [stderr]    Doc-tests fork-tree
[INFO] [stdout] test test::import_doesnt_revert ... ok
[INFO] [stdout] test test::prune_works ... ok
[INFO] [stdout] test test::iter_iterates_in_preorder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "656f9712be9837cce7074ac1d9fac410ed3d158472f493890e100c598c9b0960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656f9712be9837cce7074ac1d9fac410ed3d158472f493890e100c598c9b0960", kill_on_drop: false }`
[INFO] [stdout] 656f9712be9837cce7074ac1d9fac410ed3d158472f493890e100c598c9b0960