[INFO] cloning repository https://github.com/trusch/merkle-tree-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trusch/merkle-tree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrusch%2Fmerkle-tree-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrusch%2Fmerkle-tree-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d87f247b0663f98aa104e914c6a91c4f1d44e109
[INFO] checking trusch/merkle-tree-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrusch%2Fmerkle-tree-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/trusch/merkle-tree-rs
[INFO] finished tweaking git repo https://github.com/trusch/merkle-tree-rs
[INFO] tweaked toml for git repo https://github.com/trusch/merkle-tree-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trusch/merkle-tree-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trusch/merkle-tree-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565d893b06111c25423f936c91df6d23101ca0d6070dfa271a9f29d15ddc4e66
[INFO] running `Command { std: "docker" "start" "-a" "565d893b06111c25423f936c91df6d23101ca0d6070dfa271a9f29d15ddc4e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565d893b06111c25423f936c91df6d23101ca0d6070dfa271a9f29d15ddc4e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565d893b06111c25423f936c91df6d23101ca0d6070dfa271a9f29d15ddc4e66", kill_on_drop: false }`
[INFO] [stdout] 565d893b06111c25423f936c91df6d23101ca0d6070dfa271a9f29d15ddc4e66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66270ee7897550da0e0e44f49172a04547c88f99c0a3f6a10e65a1712302c4c9
[INFO] running `Command { std: "docker" "start" "-a" "66270ee7897550da0e0e44f49172a04547c88f99c0a3f6a10e65a1712302c4c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking merkle-tree-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]  --> benches/benchmark.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let initial_value = [0x00; 32].try_into().unwrap();
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut tree = MerkleTree::<Sha3_256>::new(20, &initial_value.try_into().unwrap());
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let updated_value = [0x11; 32].try_into().unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut tree = MerkleTree::<Sha3_256>::new(20, &initial_value.try_into().unwrap());
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         tree.set(i, &updated_value.try_into().unwrap());
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:39:53
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut tree = MerkleTree::<Sha3_256>::new(20, &initial_value.try_into().unwrap());
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         tree.set(i, &updated_value.try_into().unwrap());
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> benches/benchmark.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let leaf_5 = [5 * 0x11 as u8; 32].try_into().unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `merkle-tree-rs` (bench "benchmark") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "66270ee7897550da0e0e44f49172a04547c88f99c0a3f6a10e65a1712302c4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66270ee7897550da0e0e44f49172a04547c88f99c0a3f6a10e65a1712302c4c9", kill_on_drop: false }`
[INFO] [stdout] 66270ee7897550da0e0e44f49172a04547c88f99c0a3f6a10e65a1712302c4c9
