[INFO] fetching crate squares 0.1.1...
[INFO] testing squares-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate squares 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate squares 0.1.1
[INFO] finished tweaking crates.io crate squares 0.1.1
[INFO] tweaked toml for crates.io crate squares 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate squares 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 672d00c6d478b77f60a17a7539a92b905e16009e846466ceee0bd0338f32e669
[INFO] running `Command { std: "docker" "start" "-a" "672d00c6d478b77f60a17a7539a92b905e16009e846466ceee0bd0338f32e669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672d00c6d478b77f60a17a7539a92b905e16009e846466ceee0bd0338f32e669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672d00c6d478b77f60a17a7539a92b905e16009e846466ceee0bd0338f32e669", kill_on_drop: false }`
[INFO] [stdout] 672d00c6d478b77f60a17a7539a92b905e16009e846466ceee0bd0338f32e669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f257c888d9509cf89e9c5023de9ada5ddeca3e14d378dd71b623546c275a8eeb
[INFO] running `Command { std: "docker" "start" "-a" "f257c888d9509cf89e9c5023de9ada5ddeca3e14d378dd71b623546c275a8eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling squares v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `nibbles` is never read
[INFO] [stdout]    --> src/key.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         nibbles[i] = t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f257c888d9509cf89e9c5023de9ada5ddeca3e14d378dd71b623546c275a8eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f257c888d9509cf89e9c5023de9ada5ddeca3e14d378dd71b623546c275a8eeb", kill_on_drop: false }`
[INFO] [stdout] f257c888d9509cf89e9c5023de9ada5ddeca3e14d378dd71b623546c275a8eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7961485ca6c5ce89aec3e6ebc163a42eeeb1f3ea591a08a47fa81a241dfe3911
[INFO] running `Command { std: "docker" "start" "-a" "7961485ca6c5ce89aec3e6ebc163a42eeeb1f3ea591a08a47fa81a241dfe3911", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stdout] warning: value assigned to `nibbles` is never read
[INFO] [stdout]    --> src/key.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         nibbles[i] = t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling squares v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `nibbles` is never read
[INFO] [stdout]    --> src/key.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         nibbles[i] = t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "7961485ca6c5ce89aec3e6ebc163a42eeeb1f3ea591a08a47fa81a241dfe3911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7961485ca6c5ce89aec3e6ebc163a42eeeb1f3ea591a08a47fa81a241dfe3911", kill_on_drop: false }`
[INFO] [stdout] 7961485ca6c5ce89aec3e6ebc163a42eeeb1f3ea591a08a47fa81a241dfe3911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a6bc054c50b97597e27d2720fa20d6e67595bd72a2eb5cd06f98d09714805a9
[INFO] running `Command { std: "docker" "start" "-a" "9a6bc054c50b97597e27d2720fa20d6e67595bd72a2eb5cd06f98d09714805a9", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `nibbles` is never read
[INFO] [stderr]    --> src/key.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         nibbles[i] = t;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `squares` (lib) generated 1 warning
[INFO] [stderr] warning: `squares` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/squares-c885ab5bb13561f7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test key::tests::key_properties_100m has been running for over 60 seconds
[INFO] [stdout] test key::tests::key_properties_100m ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 69.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests squares
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a6bc054c50b97597e27d2720fa20d6e67595bd72a2eb5cd06f98d09714805a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6bc054c50b97597e27d2720fa20d6e67595bd72a2eb5cd06f98d09714805a9", kill_on_drop: false }`
[INFO] [stdout] 9a6bc054c50b97597e27d2720fa20d6e67595bd72a2eb5cd06f98d09714805a9