[INFO] fetching crate zk_merkle_tree 0.1.0...
[INFO] testing zk_merkle_tree-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate zk_merkle_tree 0.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate zk_merkle_tree 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zk_merkle_tree 0.1.0
[INFO] finished tweaking crates.io crate zk_merkle_tree 0.1.0
[INFO] tweaked toml for crates.io crate zk_merkle_tree 0.1.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a2a0b93c4d8cb72563f0b386d7cbf8e16e3f38df3ab451ffd4c8bfcfa30c7c2
[INFO] running `Command { std: "docker" "start" "-a" "6a2a0b93c4d8cb72563f0b386d7cbf8e16e3f38df3ab451ffd4c8bfcfa30c7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2a0b93c4d8cb72563f0b386d7cbf8e16e3f38df3ab451ffd4c8bfcfa30c7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2a0b93c4d8cb72563f0b386d7cbf8e16e3f38df3ab451ffd4c8bfcfa30c7c2", kill_on_drop: false }`
[INFO] [stdout] 6a2a0b93c4d8cb72563f0b386d7cbf8e16e3f38df3ab451ffd4c8bfcfa30c7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b79ae46bf5d971bc02c325d5b2cba5114b29c9ef072fb42e84d1011cd79c55
[INFO] running `Command { std: "docker" "start" "-a" "11b79ae46bf5d971bc02c325d5b2cba5114b29c9ef072fb42e84d1011cd79c55", kill_on_drop: false }`
[INFO] [stderr]    Compiling zk_merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "11b79ae46bf5d971bc02c325d5b2cba5114b29c9ef072fb42e84d1011cd79c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b79ae46bf5d971bc02c325d5b2cba5114b29c9ef072fb42e84d1011cd79c55", kill_on_drop: false }`
[INFO] [stdout] 11b79ae46bf5d971bc02c325d5b2cba5114b29c9ef072fb42e84d1011cd79c55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f09d1635f66e567c227dc6a0619c478036238186ceeb0973b162ddeb689ea2
[INFO] running `Command { std: "docker" "start" "-a" "38f09d1635f66e567c227dc6a0619c478036238186ceeb0973b162ddeb689ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling zk_merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "38f09d1635f66e567c227dc6a0619c478036238186ceeb0973b162ddeb689ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f09d1635f66e567c227dc6a0619c478036238186ceeb0973b162ddeb689ea2", kill_on_drop: false }`
[INFO] [stdout] 38f09d1635f66e567c227dc6a0619c478036238186ceeb0973b162ddeb689ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] daa13e75022344b36c1c9c7c80b84f06d0dd4734176d261b024c350c1c0ac4e6
[INFO] running `Command { std: "docker" "start" "-a" "daa13e75022344b36c1c9c7c80b84f06d0dd4734176d261b024c350c1c0ac4e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zk_merkle_tree-6fa41b7a471695bc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zk_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" "daa13e75022344b36c1c9c7c80b84f06d0dd4734176d261b024c350c1c0ac4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa13e75022344b36c1c9c7c80b84f06d0dd4734176d261b024c350c1c0ac4e6", kill_on_drop: false }`
[INFO] [stdout] daa13e75022344b36c1c9c7c80b84f06d0dd4734176d261b024c350c1c0ac4e6