[INFO] fetching crate fast-fibonacci 0.2.0...
[INFO] testing fast-fibonacci-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate fast-fibonacci 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fast-fibonacci 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fbc93a0662b6f403be8f4793a73ae0ae04dd4813b2c321ef2134272481f0ed4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2fbc93a0662b6f403be8f4793a73ae0ae04dd4813b2c321ef2134272481f0ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbc93a0662b6f403be8f4793a73ae0ae04dd4813b2c321ef2134272481f0ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc93a0662b6f403be8f4793a73ae0ae04dd4813b2c321ef2134272481f0ed4", kill_on_drop: false }`
[INFO] [stdout] 2fbc93a0662b6f403be8f4793a73ae0ae04dd4813b2c321ef2134272481f0ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be266e0b98a72f9bb7c5a1d10b57032c339f68ccf4017dd937730806f4bfa436
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be266e0b98a72f9bb7c5a1d10b57032c339f68ccf4017dd937730806f4bfa436", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[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-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling matrixmultiply 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 7.52s
[INFO] running `Command { std: "docker" "inspect" "be266e0b98a72f9bb7c5a1d10b57032c339f68ccf4017dd937730806f4bfa436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be266e0b98a72f9bb7c5a1d10b57032c339f68ccf4017dd937730806f4bfa436", kill_on_drop: false }`
[INFO] [stdout] be266e0b98a72f9bb7c5a1d10b57032c339f68ccf4017dd937730806f4bfa436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db8f15b47a6b0172888c4fcc6b9b821d6d5e0a97b8c378b21a128b431c657e4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db8f15b47a6b0172888c4fcc6b9b821d6d5e0a97b8c378b21a128b431c657e4c", 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)]` 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] [stderr]    Compiling fast-fibonacci v0.2.0 (/opt/rustwide/workdir)
[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 0.54s
[INFO] running `Command { std: "docker" "inspect" "db8f15b47a6b0172888c4fcc6b9b821d6d5e0a97b8c378b21a128b431c657e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8f15b47a6b0172888c4fcc6b9b821d6d5e0a97b8c378b21a128b431c657e4c", kill_on_drop: false }`
[INFO] [stdout] db8f15b47a6b0172888c4fcc6b9b821d6d5e0a97b8c378b21a128b431c657e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13e7a3ceb7920464ca3ac7abd1a176bfde949197724b7a65fa55b27fb4dd4ae6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13e7a3ceb7920464ca3ac7abd1a176bfde949197724b7a65fa55b27fb4dd4ae6", 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: 5 warnings emitted
[INFO] [stderr] 
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_fibonacci-8459f18f9dbc03c3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_modulo ... ok
[INFO] [stdout] test tests::test_first_few ... ok
[INFO] [stdout] test tests::test_big ... ok
[INFO] [stdout] test tests::test_bigfib ... ok
[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 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast-fibonacci
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - bigfib_with_mod (line 52) ... ok
[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] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13e7a3ceb7920464ca3ac7abd1a176bfde949197724b7a65fa55b27fb4dd4ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e7a3ceb7920464ca3ac7abd1a176bfde949197724b7a65fa55b27fb4dd4ae6", kill_on_drop: false }`
[INFO] [stdout] 13e7a3ceb7920464ca3ac7abd1a176bfde949197724b7a65fa55b27fb4dd4ae6