[INFO] fetching crate fast-fibonacci 0.2.0...
[INFO] testing fast-fibonacci-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate fast-fibonacci 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate fast-fibonacci 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8801469d61c5fb88db44fb8392472ebaac45dbda55962d4e540d2fa13ae60658
[INFO] running `Command { std: "docker" "start" "-a" "8801469d61c5fb88db44fb8392472ebaac45dbda55962d4e540d2fa13ae60658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8801469d61c5fb88db44fb8392472ebaac45dbda55962d4e540d2fa13ae60658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8801469d61c5fb88db44fb8392472ebaac45dbda55962d4e540d2fa13ae60658", kill_on_drop: false }`
[INFO] [stdout] 8801469d61c5fb88db44fb8392472ebaac45dbda55962d4e540d2fa13ae60658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7fdcf99a068443e0268be53ad5ca910c76b8f32eb3f9b6bf41519d7f9a58026
[INFO] running `Command { std: "docker" "start" "-a" "d7fdcf99a068443e0268be53ad5ca910c76b8f32eb3f9b6bf41519d7f9a58026", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[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)]` 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 [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "d7fdcf99a068443e0268be53ad5ca910c76b8f32eb3f9b6bf41519d7f9a58026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fdcf99a068443e0268be53ad5ca910c76b8f32eb3f9b6bf41519d7f9a58026", kill_on_drop: false }`
[INFO] [stdout] d7fdcf99a068443e0268be53ad5ca910c76b8f32eb3f9b6bf41519d7f9a58026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10be99ec4566e1960ea0ff200dbf20803f94c6e13665794713d9b23cf51cc64
[INFO] running `Command { std: "docker" "start" "-a" "c10be99ec4566e1960ea0ff200dbf20803f94c6e13665794713d9b23cf51cc64", kill_on_drop: false }`
[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)]` 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 test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c10be99ec4566e1960ea0ff200dbf20803f94c6e13665794713d9b23cf51cc64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10be99ec4566e1960ea0ff200dbf20803f94c6e13665794713d9b23cf51cc64", kill_on_drop: false }`
[INFO] [stdout] c10be99ec4566e1960ea0ff200dbf20803f94c6e13665794713d9b23cf51cc64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d018c60116790106e1e614cfaee6b374fe8bbdd4a4d393b02bf737138429c4ac
[INFO] running `Command { std: "docker" "start" "-a" "d018c60116790106e1e614cfaee6b374fe8bbdd4a4d393b02bf737138429c4ac", 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)]` 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 [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_fibonacci-6d978f3ec0b92462)
[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] [stderr]    Doc-tests fast-fibonacci
[INFO] [stdout] test tests::test_large_bigfib ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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 70) ... ok
[INFO] [stdout] test src/lib.rs - bigfib_with_mod (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d018c60116790106e1e614cfaee6b374fe8bbdd4a4d393b02bf737138429c4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d018c60116790106e1e614cfaee6b374fe8bbdd4a4d393b02bf737138429c4ac", kill_on_drop: false }`
[INFO] [stdout] d018c60116790106e1e614cfaee6b374fe8bbdd4a4d393b02bf737138429c4ac