[INFO] fetching crate static_merkle_tree 1.1.0...
[INFO] testing static_merkle_tree-1.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate static_merkle_tree 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate static_merkle_tree 1.1.0 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 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-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 85ad19e57211361df80c6ddbe9a04b727351f521fb5e9aff244c4ba67677d3fb
[INFO] running `Command { std: "docker" "start" "-a" "85ad19e57211361df80c6ddbe9a04b727351f521fb5e9aff244c4ba67677d3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ad19e57211361df80c6ddbe9a04b727351f521fb5e9aff244c4ba67677d3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ad19e57211361df80c6ddbe9a04b727351f521fb5e9aff244c4ba67677d3fb", kill_on_drop: false }`
[INFO] [stdout] 85ad19e57211361df80c6ddbe9a04b727351f521fb5e9aff244c4ba67677d3fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dde56d8939b84cbda82310fa00510f53123ef022aaf063486c67dc79ce69c876
[INFO] running `Command { std: "docker" "start" "-a" "dde56d8939b84cbda82310fa00510f53123ef022aaf063486c67dc79ce69c876", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "dde56d8939b84cbda82310fa00510f53123ef022aaf063486c67dc79ce69c876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde56d8939b84cbda82310fa00510f53123ef022aaf063486c67dc79ce69c876", kill_on_drop: false }`
[INFO] [stdout] dde56d8939b84cbda82310fa00510f53123ef022aaf063486c67dc79ce69c876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7bbb56743cb9a0525f2ac6db430eca507a13b81d78bc1b66b0b32dc3cbac5c99
[INFO] running `Command { std: "docker" "start" "-a" "7bbb56743cb9a0525f2ac6db430eca507a13b81d78bc1b66b0b32dc3cbac5c99", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "7bbb56743cb9a0525f2ac6db430eca507a13b81d78bc1b66b0b32dc3cbac5c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbb56743cb9a0525f2ac6db430eca507a13b81d78bc1b66b0b32dc3cbac5c99", kill_on_drop: false }`
[INFO] [stdout] 7bbb56743cb9a0525f2ac6db430eca507a13b81d78bc1b66b0b32dc3cbac5c99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] befae92e33baa4bf96410555cffa5e0a36e20120826974af0977399c8eeb5ff4
[INFO] running `Command { std: "docker" "start" "-a" "befae92e33baa4bf96410555cffa5e0a36e20120826974af0977399c8eeb5ff4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/static_merkle_tree-1eaf7e466a68f680)
[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_root ... ok
[INFO] [stdout] test tests::test_proof ... 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_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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "befae92e33baa4bf96410555cffa5e0a36e20120826974af0977399c8eeb5ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befae92e33baa4bf96410555cffa5e0a36e20120826974af0977399c8eeb5ff4", kill_on_drop: false }`
[INFO] [stdout] befae92e33baa4bf96410555cffa5e0a36e20120826974af0977399c8eeb5ff4