[INFO] fetching crate static_merkle_tree 1.1.0...
[INFO] testing static_merkle_tree-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate static_merkle_tree 1.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate static_merkle_tree 1.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate static_merkle_tree 1.1.0
[INFO] finished tweaking crates.io crate static_merkle_tree 1.1.0
[INFO] tweaked toml for crates.io crate static_merkle_tree 1.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf26a305d3374d84b4cd57223688bf0deb2f6dd9ef19a606352ce625c5213d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbf26a305d3374d84b4cd57223688bf0deb2f6dd9ef19a606352ce625c5213d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf26a305d3374d84b4cd57223688bf0deb2f6dd9ef19a606352ce625c5213d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf26a305d3374d84b4cd57223688bf0deb2f6dd9ef19a606352ce625c5213d7", kill_on_drop: false }`
[INFO] [stdout] bbf26a305d3374d84b4cd57223688bf0deb2f6dd9ef19a606352ce625c5213d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45de2db689c016a4f296ed4be110c7e961a9a6e01f9abbc9661bbf0547fd4d95
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45de2db689c016a4f296ed4be110c7e961a9a6e01f9abbc9661bbf0547fd4d95", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_merkle_tree v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "45de2db689c016a4f296ed4be110c7e961a9a6e01f9abbc9661bbf0547fd4d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45de2db689c016a4f296ed4be110c7e961a9a6e01f9abbc9661bbf0547fd4d95", kill_on_drop: false }`
[INFO] [stdout] 45de2db689c016a4f296ed4be110c7e961a9a6e01f9abbc9661bbf0547fd4d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d7ab7d4bf1442f96d28c0062fd1027d1db170e4c1ed8bc5110a8e9a7560ab61
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d7ab7d4bf1442f96d28c0062fd1027d1db170e4c1ed8bc5110a8e9a7560ab61", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_merkle_tree v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "1d7ab7d4bf1442f96d28c0062fd1027d1db170e4c1ed8bc5110a8e9a7560ab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7ab7d4bf1442f96d28c0062fd1027d1db170e4c1ed8bc5110a8e9a7560ab61", kill_on_drop: false }`
[INFO] [stdout] 1d7ab7d4bf1442f96d28c0062fd1027d1db170e4c1ed8bc5110a8e9a7560ab61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00c4dd464c3d7882e81d2c06fa86dc8a680f271d7593a7eb13ffd860b8db7979
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "00c4dd464c3d7882e81d2c06fa86dc8a680f271d7593a7eb13ffd860b8db7979", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/static_merkle_tree-7e65a16e88f27787
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_depth ... ok
[INFO] [stdout] test tests::test_index_of_brother_and_father ... ok
[INFO] [stdout] test tests::test_number_of_nodes ... ok
[INFO] [stdout] test tests::test_proof_indexes ... ok
[INFO] [stdout] test tests::test_proof ... ok
[INFO] [stdout] test tests::test_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests static_merkle_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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00c4dd464c3d7882e81d2c06fa86dc8a680f271d7593a7eb13ffd860b8db7979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c4dd464c3d7882e81d2c06fa86dc8a680f271d7593a7eb13ffd860b8db7979", kill_on_drop: false }`
[INFO] [stdout] 00c4dd464c3d7882e81d2c06fa86dc8a680f271d7593a7eb13ffd860b8db7979