[INFO] fetching crate fast-fibonacci 0.2.0... [INFO] testing fast-fibonacci-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate fast-fibonacci 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate fast-fibonacci 0.2.0 [INFO] finished tweaking crates.io crate fast-fibonacci 0.2.0 [INFO] tweaked toml for crates.io crate fast-fibonacci 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fast-fibonacci 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] [stderr] Adding ndarray v0.13.1 (available: v0.16.1) [INFO] [stderr] Adding num v0.2.1 (available: v0.4.3) [INFO] [stderr] Adding num-bigint v0.2.6 (available: v0.4.6) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a2fb60ddb4c863068b47e63a85800a081aa9b70415b731a578b68c49e31a552 [INFO] running `Command { std: "docker" "start" "-a" "5a2fb60ddb4c863068b47e63a85800a081aa9b70415b731a578b68c49e31a552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a2fb60ddb4c863068b47e63a85800a081aa9b70415b731a578b68c49e31a552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a2fb60ddb4c863068b47e63a85800a081aa9b70415b731a578b68c49e31a552", kill_on_drop: false }` [INFO] [stdout] 5a2fb60ddb4c863068b47e63a85800a081aa9b70415b731a578b68c49e31a552 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e840a24f6a06b2cdd2aaff8b4c2d85fb28bbf0c32a70c30839b7ea319e28cb7 [INFO] running `Command { std: "docker" "start" "-a" "9e840a24f6a06b2cdd2aaff8b4c2d85fb28bbf0c32a70c30839b7ea319e28cb7", kill_on_drop: false }` [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling fast-fibonacci v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `ZERO` should have a snake case name [INFO] [stdout] --> src/lib.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ONE` should have a snake case name [INFO] [stdout] --> src/lib.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ONE` should have a snake case name [INFO] [stdout] --> src/lib.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `TWO` should have a snake case name [INFO] [stdout] --> src/lib.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let TWO: BigUint = FromPrimitive::from_u64(2).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ZERO` should have a snake case name [INFO] [stdout] --> src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s [INFO] running `Command { std: "docker" "inspect" "9e840a24f6a06b2cdd2aaff8b4c2d85fb28bbf0c32a70c30839b7ea319e28cb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e840a24f6a06b2cdd2aaff8b4c2d85fb28bbf0c32a70c30839b7ea319e28cb7", kill_on_drop: false }` [INFO] [stdout] 9e840a24f6a06b2cdd2aaff8b4c2d85fb28bbf0c32a70c30839b7ea319e28cb7 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86326cbef2fe97dd7a5008cc89f51ab92a0f900c3f6270c87ad9f8b06154d657 [INFO] running `Command { std: "docker" "start" "-a" "86326cbef2fe97dd7a5008cc89f51ab92a0f900c3f6270c87ad9f8b06154d657", kill_on_drop: false }` [INFO] [stdout] warning: variable `ZERO` should have a snake case name [INFO] [stdout] --> src/lib.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ONE` should have a snake case name [INFO] [stdout] --> src/lib.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ONE` should have a snake case name [INFO] [stdout] --> src/lib.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `TWO` should have a snake case name [INFO] [stdout] --> src/lib.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let TWO: BigUint = FromPrimitive::from_u64(2).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ZERO` should have a snake case name [INFO] [stdout] --> src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fast-fibonacci v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `ZERO` should have a snake case name [INFO] [stdout] --> src/lib.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ONE` should have a snake case name [INFO] [stdout] --> src/lib.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ONE` should have a snake case name [INFO] [stdout] --> src/lib.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `TWO` should have a snake case name [INFO] [stdout] --> src/lib.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let TWO: BigUint = FromPrimitive::from_u64(2).unwrap(); [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `two` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ZERO` should have a snake case name [INFO] [stdout] --> src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "86326cbef2fe97dd7a5008cc89f51ab92a0f900c3f6270c87ad9f8b06154d657", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86326cbef2fe97dd7a5008cc89f51ab92a0f900c3f6270c87ad9f8b06154d657", kill_on_drop: false }` [INFO] [stdout] 86326cbef2fe97dd7a5008cc89f51ab92a0f900c3f6270c87ad9f8b06154d657 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1d90f726825a978db376fb35ad35f3a7500aa51e9ca3907597824f9c80750613 [INFO] running `Command { std: "docker" "start" "-a" "1d90f726825a978db376fb35ad35f3a7500aa51e9ca3907597824f9c80750613", kill_on_drop: false }` [INFO] [stderr] warning: variable `ZERO` should have a snake case name [INFO] [stderr] --> src/lib.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable `ONE` should have a snake case name [INFO] [stderr] --> src/lib.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 84 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stderr] [INFO] [stderr] warning: variable `ONE` should have a snake case name [INFO] [stderr] --> src/lib.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let ONE: BigUint = FromPrimitive::from_u64(1).unwrap(); [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `one` [INFO] [stderr] [INFO] [stderr] warning: variable `TWO` should have a snake case name [INFO] [stderr] --> src/lib.rs:105:9 [INFO] [stderr] | [INFO] [stderr] 105 | let TWO: BigUint = FromPrimitive::from_u64(2).unwrap(); [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `two` [INFO] [stderr] [INFO] [stderr] warning: variable `ZERO` should have a snake case name [INFO] [stderr] --> src/lib.rs:122:9 [INFO] [stderr] | [INFO] [stderr] 122 | let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap(); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `zero` [INFO] [stderr] [INFO] [stderr] warning: `fast-fibonacci` (lib) generated 5 warnings [INFO] [stderr] warning: `fast-fibonacci` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_fibonacci-1bef1b9f027a71eb) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::test_first_few ... ok [INFO] [stdout] test tests::test_modulo ... ok [INFO] [stdout] test tests::test_bigfib ... ok [INFO] [stdout] test tests::test_big ... ok [INFO] [stdout] test tests::test_large_bigfib ... ok [INFO] [stdout] [INFO] [stderr] Doc-tests fast_fibonacci [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - fib_with_mod (line 17) ... ok [INFO] [stdout] test src/lib.rs - bigfib_with_mod (line 52) ... ok [INFO] [stdout] test src/lib.rs - bigfib_with_mod (line 70) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1d90f726825a978db376fb35ad35f3a7500aa51e9ca3907597824f9c80750613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d90f726825a978db376fb35ad35f3a7500aa51e9ca3907597824f9c80750613", kill_on_drop: false }` [INFO] [stdout] 1d90f726825a978db376fb35ad35f3a7500aa51e9ca3907597824f9c80750613