[INFO] fetching crate static_merkel_tree 1.0.0...
[INFO] testing static_merkel_tree-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate static_merkel_tree 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate static_merkel_tree 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate static_merkel_tree 1.0.0
[INFO] finished tweaking crates.io crate static_merkel_tree 1.0.0
[INFO] tweaked toml for crates.io crate static_merkel_tree 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01bb9b87e4f8559c1ee69e8f2c0cc24beb1aa9f6106a8fc69280a6630580e37
[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" "a01bb9b87e4f8559c1ee69e8f2c0cc24beb1aa9f6106a8fc69280a6630580e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01bb9b87e4f8559c1ee69e8f2c0cc24beb1aa9f6106a8fc69280a6630580e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01bb9b87e4f8559c1ee69e8f2c0cc24beb1aa9f6106a8fc69280a6630580e37", kill_on_drop: false }`
[INFO] [stdout] a01bb9b87e4f8559c1ee69e8f2c0cc24beb1aa9f6106a8fc69280a6630580e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e602c9c187a798c953bfb92686ab7746f191a15f6bc044d11379a4c14ababec
[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" "3e602c9c187a798c953bfb92686ab7746f191a15f6bc044d11379a4c14ababec", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_merkel_tree v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "3e602c9c187a798c953bfb92686ab7746f191a15f6bc044d11379a4c14ababec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e602c9c187a798c953bfb92686ab7746f191a15f6bc044d11379a4c14ababec", kill_on_drop: false }`
[INFO] [stdout] 3e602c9c187a798c953bfb92686ab7746f191a15f6bc044d11379a4c14ababec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 238fda7f49d6dd39a0c46ce5a07ab0335c28f619a936877a7dc226dd7c4f7541
[INFO] running `Command { std: "docker" "start" "-a" "238fda7f49d6dd39a0c46ce5a07ab0335c28f619a936877a7dc226dd7c4f7541", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_merkel_tree v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "238fda7f49d6dd39a0c46ce5a07ab0335c28f619a936877a7dc226dd7c4f7541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238fda7f49d6dd39a0c46ce5a07ab0335c28f619a936877a7dc226dd7c4f7541", kill_on_drop: false }`
[INFO] [stdout] 238fda7f49d6dd39a0c46ce5a07ab0335c28f619a936877a7dc226dd7c4f7541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07f4fd900badc560a68a7212702fcc536558a2b96e99857acf75e1088c081a27
[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" "07f4fd900badc560a68a7212702fcc536558a2b96e99857acf75e1088c081a27", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/static_merkel_tree-cf2c60fbb60c2a1e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_depth ... ok
[INFO] [stdout] test tests::test_proof_indexes ... ok
[INFO] [stdout] test tests::test_index_of_brother_and_father ... ok
[INFO] [stdout] test tests::test_root ... ok
[INFO] [stdout] test tests::test_proof ... ok
[INFO] [stdout] test tests::test_number_of_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests static_merkel_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" "07f4fd900badc560a68a7212702fcc536558a2b96e99857acf75e1088c081a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f4fd900badc560a68a7212702fcc536558a2b96e99857acf75e1088c081a27", kill_on_drop: false }`
[INFO] [stdout] 07f4fd900badc560a68a7212702fcc536558a2b96e99857acf75e1088c081a27