[INFO] fetching crate snapshotor 0.2.0...
[INFO] testing snapshotor-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate snapshotor 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate snapshotor 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate snapshotor 0.2.0
[INFO] tweaked toml for crates.io crate snapshotor 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snapshotor 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snapshotor 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc95a160d190ee875b553d386f15076043a106b5a3d430153221ef6c7ae3af33
[INFO] running `Command { std: "docker" "start" "-a" "dc95a160d190ee875b553d386f15076043a106b5a3d430153221ef6c7ae3af33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc95a160d190ee875b553d386f15076043a106b5a3d430153221ef6c7ae3af33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc95a160d190ee875b553d386f15076043a106b5a3d430153221ef6c7ae3af33", kill_on_drop: false }`
[INFO] [stdout] dc95a160d190ee875b553d386f15076043a106b5a3d430153221ef6c7ae3af33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e5300efeddc10dd94095410288c4792780ead6a2a32c38b4b0e2bac4756453f
[INFO] running `Command { std: "docker" "start" "-a" "7e5300efeddc10dd94095410288c4792780ead6a2a32c38b4b0e2bac4756453f", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling cheap-clone v0.2.3
[INFO] [stderr]    Compiling equivalent-flipped v0.1.0
[INFO] [stderr]    Compiling dbutils v0.12.15
[INFO] [stderr]    Compiling snapshotor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "7e5300efeddc10dd94095410288c4792780ead6a2a32c38b4b0e2bac4756453f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5300efeddc10dd94095410288c4792780ead6a2a32c38b4b0e2bac4756453f", kill_on_drop: false }`
[INFO] [stdout] 7e5300efeddc10dd94095410288c4792780ead6a2a32c38b4b0e2bac4756453f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dffba995d83d29dbad3ff382b5067014a05079d72132bf63d86123d9cabac1f
[INFO] running `Command { std: "docker" "start" "-a" "3dffba995d83d29dbad3ff382b5067014a05079d72132bf63d86123d9cabac1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-skiplist-pr1132 v0.2.0
[INFO] [stderr]    Compiling snapshotor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "3dffba995d83d29dbad3ff382b5067014a05079d72132bf63d86123d9cabac1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dffba995d83d29dbad3ff382b5067014a05079d72132bf63d86123d9cabac1f", kill_on_drop: false }`
[INFO] [stdout] 3dffba995d83d29dbad3ff382b5067014a05079d72132bf63d86123d9cabac1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e6770f7b977a6d6a67b82bbd0de0ecae78221132b999801cd2f955fb6318234
[INFO] running `Command { std: "docker" "start" "-a" "2e6770f7b977a6d6a67b82bbd0de0ecae78221132b999801cd2f955fb6318234", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snapshotor-eaa159af1294d9e8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/skiplist_mvcc.rs (/opt/rustwide/target/debug/deps/skiplist_mvcc-4c840fa834113235)
[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 16 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test ge ... ok
[INFO] [stdout] test cursor_forwards ... ok
[INFO] [stdout] test all_versions_iter_backwards ... ok
[INFO] [stdout] test cursor_backwards ... ok
[INFO] [stdout] test get_mvcc ... ok
[INFO] [stdout] test iter_all_mvcc ... ok
[INFO] [stdout] test gt ... ok
[INFO] [stdout] test lt ... ok
[INFO] [stdout] test iter_latest ... ok
[INFO] [stdout] test range_latest ... ok
[INFO] [stdout] test range_forwards ... ok
[INFO] [stdout] test range_backwards ... ok
[INFO] [stdout] test all_versions_iter_forwards ... ok
[INFO] [stdout] test le ... ok
[INFO] [stdout] test compact ... ok
[INFO] [stderr]    Doc-tests snapshotor
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "2e6770f7b977a6d6a67b82bbd0de0ecae78221132b999801cd2f955fb6318234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6770f7b977a6d6a67b82bbd0de0ecae78221132b999801cd2f955fb6318234", kill_on_drop: false }`
[INFO] [stdout] 2e6770f7b977a6d6a67b82bbd0de0ecae78221132b999801cd2f955fb6318234