[INFO] fetching crate polkadot-ckb-merkle-mountain-range 0.8.1...
[INFO] testing polkadot-ckb-merkle-mountain-range-0.8.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate polkadot-ckb-merkle-mountain-range 0.8.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate polkadot-ckb-merkle-mountain-range 0.8.1
[INFO] finished tweaking crates.io crate polkadot-ckb-merkle-mountain-range 0.8.1
[INFO] tweaked toml for crates.io crate polkadot-ckb-merkle-mountain-range 0.8.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polkadot-ckb-merkle-mountain-range 0.8.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 111 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding faster-hex v0.8.1 (available: v0.10.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2b-rs v0.2.0
[INFO] [stderr]   Downloaded faster-hex v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a587f76dfe8def8a6c912779ff50102880420971bd2a8a8e458841a2189891
[INFO] running `Command { std: "docker" "start" "-a" "e6a587f76dfe8def8a6c912779ff50102880420971bd2a8a8e458841a2189891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a587f76dfe8def8a6c912779ff50102880420971bd2a8a8e458841a2189891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a587f76dfe8def8a6c912779ff50102880420971bd2a8a8e458841a2189891", kill_on_drop: false }`
[INFO] [stdout] e6a587f76dfe8def8a6c912779ff50102880420971bd2a8a8e458841a2189891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b916cda40e224eacfdcf362208bbcbcace0e2fe9b700d51b9c26b61f208b2d2
[INFO] running `Command { std: "docker" "start" "-a" "0b916cda40e224eacfdcf362208bbcbcace0e2fe9b700d51b9c26b61f208b2d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling polkadot-ckb-merkle-mountain-range v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "0b916cda40e224eacfdcf362208bbcbcace0e2fe9b700d51b9c26b61f208b2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b916cda40e224eacfdcf362208bbcbcace0e2fe9b700d51b9c26b61f208b2d2", kill_on_drop: false }`
[INFO] [stdout] 0b916cda40e224eacfdcf362208bbcbcace0e2fe9b700d51b9c26b61f208b2d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd698041d187b0e30cf866d67bdb301d2ba7a279b719fb5f212ec106f8c0fef
[INFO] running `Command { std: "docker" "start" "-a" "dcd698041d187b0e30cf866d67bdb301d2ba7a279b719fb5f212ec106f8c0fef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
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[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling blake2b-rs v0.2.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
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[INFO] [stderr]    Compiling rand_chacha v0.9.0
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[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling ciborium v0.2.2
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[INFO] [stderr]    Compiling polkadot-ckb-merkle-mountain-range v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/tests/test_mmr.rs:280:32
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let leaves_count = rng.gen_range(1..count - 1);
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `ThreadRng: proptest::prelude::RngCore` or `ThreadRng: proptest::prelude::Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `gen_range` exists for struct `ThreadRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/tests/test_node_mmr.rs:347:32
[INFO] [stdout]     |
[INFO] [stdout] 347 |         let leaves_count = rng.gen_range(1..count - 1);
[INFO] [stdout]     |                                ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rngs/thread.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub struct ThreadRng {
[INFO] [stdout]     | -------------------- doesn't satisfy `ThreadRng: proptest::prelude::RngCore` or `ThreadRng: proptest::prelude::Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `ThreadRng: proptest::prelude::RngCore`
[INFO] [stdout]             which is required by `ThreadRng: proptest::prelude::Rng`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polkadot-ckb-merkle-mountain-range` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dcd698041d187b0e30cf866d67bdb301d2ba7a279b719fb5f212ec106f8c0fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd698041d187b0e30cf866d67bdb301d2ba7a279b719fb5f212ec106f8c0fef", kill_on_drop: false }`
[INFO] [stdout] dcd698041d187b0e30cf866d67bdb301d2ba7a279b719fb5f212ec106f8c0fef