[INFO] fetching crate fast-fibonacci 0.2.0...
[INFO] checking fast-fibonacci-0.2.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate fast-fibonacci 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fast-fibonacci 0.2.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding matrixmultiply v0.2.4 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.13.1 (latest: v0.15.6)
[INFO] [stderr]       Adding num v0.2.1 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dae6c18b655f1960d4d4ff326fabea6257f22caa4bfadcbd34439215cbaf515
[INFO] running `Command { std: "docker" "start" "-a" "0dae6c18b655f1960d4d4ff326fabea6257f22caa4bfadcbd34439215cbaf515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dae6c18b655f1960d4d4ff326fabea6257f22caa4bfadcbd34439215cbaf515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dae6c18b655f1960d4d4ff326fabea6257f22caa4bfadcbd34439215cbaf515", kill_on_drop: false }`
[INFO] [stdout] 0dae6c18b655f1960d4d4ff326fabea6257f22caa4bfadcbd34439215cbaf515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f88d8d88df0b3b99d0f6362dab207f5b8666d7e514965a954efa0553aebc16
[INFO] running `Command { std: "docker" "start" "-a" "a5f88d8d88df0b3b99d0f6362dab207f5b8666d7e514965a954efa0553aebc16", kill_on_drop: false }`
[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]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking 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)]` 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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "a5f88d8d88df0b3b99d0f6362dab207f5b8666d7e514965a954efa0553aebc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f88d8d88df0b3b99d0f6362dab207f5b8666d7e514965a954efa0553aebc16", kill_on_drop: false }`
[INFO] [stdout] a5f88d8d88df0b3b99d0f6362dab207f5b8666d7e514965a954efa0553aebc16