[INFO] fetching crate math-comb 0.2.3...
[INFO] checking math-comb-0.2.3 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate math-comb 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate math-comb 0.2.3
[INFO] finished tweaking crates.io crate math-comb 0.2.3
[INFO] tweaked toml for crates.io crate math-comb 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-comb 0.2.3 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b05d6973086b97ef4e4394b662cad345a30612ebf08aedf8f9bf65b9b64dd08
[INFO] running `Command { std: "docker" "start" "-a" "7b05d6973086b97ef4e4394b662cad345a30612ebf08aedf8f9bf65b9b64dd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b05d6973086b97ef4e4394b662cad345a30612ebf08aedf8f9bf65b9b64dd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b05d6973086b97ef4e4394b662cad345a30612ebf08aedf8f9bf65b9b64dd08", kill_on_drop: false }`
[INFO] [stdout] 7b05d6973086b97ef4e4394b662cad345a30612ebf08aedf8f9bf65b9b64dd08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 420586821d52c5f64a03e28b07eb09210b153769566ead4bad5070f997aca254
[INFO] running `Command { std: "docker" "start" "-a" "420586821d52c5f64a03e28b07eb09210b153769566ead4bad5070f997aca254", kill_on_drop: false }`
[INFO] [stderr]     Checking math-comb v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `nPr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn nPr(&self, n: u64, r: u64) -> u64 {
[INFO] [stdout]     |            ^^^ help: convert the identifier to snake case: `n_pr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nCr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn nCr(&self, n: u64, r: u64) -> u64 {
[INFO] [stdout]     |            ^^^ help: convert the identifier to snake case: `n_cr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/pollard.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let A: Vec<u64> = vec![2, 325, 9375, 28178, 450775, 9780504, 1795265022];
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comb`
[INFO] [stdout]    --> src/lib.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let comb: Comb = Comb::new(4, 14);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_comb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nPr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn nPr(&self, n: u64, r: u64) -> u64 {
[INFO] [stdout]     |            ^^^ help: convert the identifier to snake case: `n_pr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `nCr` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn nCr(&self, n: u64, r: u64) -> u64 {
[INFO] [stdout]     |            ^^^ help: convert the identifier to snake case: `n_cr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/pollard.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let A: Vec<u64> = vec![2, 325, 9375, 28178, 450775, 9780504, 1795265022];
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "420586821d52c5f64a03e28b07eb09210b153769566ead4bad5070f997aca254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420586821d52c5f64a03e28b07eb09210b153769566ead4bad5070f997aca254", kill_on_drop: false }`
[INFO] [stdout] 420586821d52c5f64a03e28b07eb09210b153769566ead4bad5070f997aca254