[INFO] fetching crate database-tree 0.1.0-alpha.3...
[INFO] testing database-tree-0.1.0-alpha.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate database-tree 0.1.0-alpha.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate database-tree 0.1.0-alpha.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate database-tree 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate database-tree 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate database-tree 0.1.0-alpha.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 065048c0019e6b52c5afca097763926bfb1c81209404dc9fd71e342343f841dc
[INFO] running `Command { std: "docker" "start" "-a" "065048c0019e6b52c5afca097763926bfb1c81209404dc9fd71e342343f841dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065048c0019e6b52c5afca097763926bfb1c81209404dc9fd71e342343f841dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065048c0019e6b52c5afca097763926bfb1c81209404dc9fd71e342343f841dc", kill_on_drop: false }`
[INFO] [stdout] 065048c0019e6b52c5afca097763926bfb1c81209404dc9fd71e342343f841dc
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb14e5b02c8dcf2616d995c8da778ba220963a9c89cdb30cee40a32bd09bfe5
[INFO] running `Command { std: "docker" "start" "-a" "3cb14e5b02c8dcf2616d995c8da778ba220963a9c89cdb30cee40a32bd09bfe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling database-tree v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "3cb14e5b02c8dcf2616d995c8da778ba220963a9c89cdb30cee40a32bd09bfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb14e5b02c8dcf2616d995c8da778ba220963a9c89cdb30cee40a32bd09bfe5", kill_on_drop: false }`
[INFO] [stdout] 3cb14e5b02c8dcf2616d995c8da778ba220963a9c89cdb30cee40a32bd09bfe5
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d2e5358ca41de808f47994bae9d2f85bb2dee781c2ce8a7527e959f876289a
[INFO] running `Command { std: "docker" "start" "-a" "05d2e5358ca41de808f47994bae9d2f85bb2dee781c2ce8a7527e959f876289a", kill_on_drop: false }`
[INFO] [stderr]    Compiling database-tree v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "05d2e5358ca41de808f47994bae9d2f85bb2dee781c2ce8a7527e959f876289a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d2e5358ca41de808f47994bae9d2f85bb2dee781c2ce8a7527e959f876289a", kill_on_drop: false }`
[INFO] [stdout] 05d2e5358ca41de808f47994bae9d2f85bb2dee781c2ce8a7527e959f876289a
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a48e5cdce722fe111237737e3e60a2c9a63d0e031672c745fd6f6032ac88daba
[INFO] running `Command { std: "docker" "start" "-a" "a48e5cdce722fe111237737e3e60a2c9a63d0e031672c745fd6f6032ac88daba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/database_tree-d8cfccc660d45d5e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test databasetree::test::test_selection_bottom ... ok
[INFO] [stdout] test databasetree::test::test_selection ... ok
[INFO] [stdout] test databasetree::test::test_selection_left_parent ... ok
[INFO] [stdout] test databasetree::test::test_selection_skips_collapsed ... ok
[INFO] [stdout] test databasetree::test::test_selection_right_expand ... ok
[INFO] [stdout] test databasetree::test::test_visible_selection ... ok
[INFO] [stdout] test databasetree::test::test_selection_top ... ok
[INFO] [stdout] test databasetree::test::test_selection_left_collapse ... ok
[INFO] [stdout] test databasetree::test::test_selection_multiple_up_down ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests database-tree
[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" "a48e5cdce722fe111237737e3e60a2c9a63d0e031672c745fd6f6032ac88daba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48e5cdce722fe111237737e3e60a2c9a63d0e031672c745fd6f6032ac88daba", kill_on_drop: false }`
[INFO] [stdout] a48e5cdce722fe111237737e3e60a2c9a63d0e031672c745fd6f6032ac88daba