[INFO] fetching crate mizaru 0.1.3...
[INFO] building mizaru-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mizaru 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mizaru 0.1.3
[INFO] finished tweaking crates.io crate mizaru 0.1.3
[INFO] tweaked toml for crates.io crate mizaru 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mizaru 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 104 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding rsa v0.3.0 (available: v0.9.8)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded secret_integers v0.1.7
[INFO] [stderr]   Downloaded rsa-fdh v0.5.0
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.1
[INFO] [stderr]   Downloaded fdh v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee226a8791f07aafa035a675e19424a4a6ba1455bec2eec625c706c150d075fa
[INFO] running `Command { std: "docker" "start" "-a" "ee226a8791f07aafa035a675e19424a4a6ba1455bec2eec625c706c150d075fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee226a8791f07aafa035a675e19424a4a6ba1455bec2eec625c706c150d075fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee226a8791f07aafa035a675e19424a4a6ba1455bec2eec625c706c150d075fa", kill_on_drop: false }`
[INFO] [stdout] ee226a8791f07aafa035a675e19424a4a6ba1455bec2eec625c706c150d075fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3128cd6e7a9adae927450a4826f48d42f1c92942efb4b4972b8307a8578ee3a
[INFO] running `Command { std: "docker" "start" "-a" "e3128cd6e7a9adae927450a4826f48d42f1c92942efb4b4972b8307a8578ee3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling secret_integers v0.1.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rsa v0.3.0
[INFO] [stderr]    Compiling fdh v0.7.3
[INFO] [stderr]    Compiling rsa-fdh v0.5.0
[INFO] [stderr]    Compiling mizaru v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::len` that must be used
[INFO] [stdout]    --> src/keypair.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         merkle_branch.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = merkle_branch.len();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "e3128cd6e7a9adae927450a4826f48d42f1c92942efb4b4972b8307a8578ee3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3128cd6e7a9adae927450a4826f48d42f1c92942efb4b4972b8307a8578ee3a", kill_on_drop: false }`
[INFO] [stdout] e3128cd6e7a9adae927450a4826f48d42f1c92942efb4b4972b8307a8578ee3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034936bbd4d6bcdcdb9ff7ad2ec8fd4e5a558fbe5d4fc3587f83b4b7138b9f1a
[INFO] running `Command { std: "docker" "start" "-a" "034936bbd4d6bcdcdb9ff7ad2ec8fd4e5a558fbe5d4fc3587f83b4b7138b9f1a", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::len` that must be used
[INFO] [stdout]    --> src/keypair.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         merkle_branch.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = merkle_branch.len();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mizaru v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::len` that must be used
[INFO] [stdout]    --> src/keypair.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         merkle_branch.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = merkle_branch.len();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "034936bbd4d6bcdcdb9ff7ad2ec8fd4e5a558fbe5d4fc3587f83b4b7138b9f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034936bbd4d6bcdcdb9ff7ad2ec8fd4e5a558fbe5d4fc3587f83b4b7138b9f1a", kill_on_drop: false }`
[INFO] [stdout] 034936bbd4d6bcdcdb9ff7ad2ec8fd4e5a558fbe5d4fc3587f83b4b7138b9f1a