[INFO] fetching crate fast-fibonacci 0.2.0...
[INFO] checking fast-fibonacci-0.2.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate fast-fibonacci 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fast-fibonacci 0.2.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8abbe96a086b7b758e2888c655e66b4094fb86e21723b8654763beeb5ffeee32
[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" "8abbe96a086b7b758e2888c655e66b4094fb86e21723b8654763beeb5ffeee32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8abbe96a086b7b758e2888c655e66b4094fb86e21723b8654763beeb5ffeee32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abbe96a086b7b758e2888c655e66b4094fb86e21723b8654763beeb5ffeee32", kill_on_drop: false }`
[INFO] [stdout] 8abbe96a086b7b758e2888c655e66b4094fb86e21723b8654763beeb5ffeee32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20f95e9a6d74b24f2cbd0217e40079dbea7d2db1ccb95225730bcab2eccb413d
[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" "20f95e9a6d74b24f2cbd0217e40079dbea7d2db1ccb95225730bcab2eccb413d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[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-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[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 [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "20f95e9a6d74b24f2cbd0217e40079dbea7d2db1ccb95225730bcab2eccb413d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f95e9a6d74b24f2cbd0217e40079dbea7d2db1ccb95225730bcab2eccb413d", kill_on_drop: false }`
[INFO] [stdout] 20f95e9a6d74b24f2cbd0217e40079dbea7d2db1ccb95225730bcab2eccb413d