[INFO] cloning repository https://github.com/wborgeaud/rust-vdf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wborgeaud/rust-vdf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwborgeaud%2Frust-vdf"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwborgeaud%2Frust-vdf'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f867b6a3bb77177ef42a0b0d550ba84727b8e88
[INFO] checking wborgeaud/rust-vdf against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwborgeaud%2Frust-vdf" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wborgeaud/rust-vdf on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wborgeaud/rust-vdf
[INFO] finished tweaking git repo https://github.com/wborgeaud/rust-vdf
[INFO] tweaked toml for git repo https://github.com/wborgeaud/rust-vdf written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wborgeaud/rust-vdf already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d70e64b0f0484702d0341e6a8a6a6fc50ed593bcdbc4afc84c691b5e15263ff
[INFO] running `"docker" "start" "-a" "7d70e64b0f0484702d0341e6a8a6a6fc50ed593bcdbc4afc84c691b5e15263ff"`
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling ramp v0.5.3
[INFO] [stderr]     Checking vdf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/lib.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn prove(g: &Int, h: &Int, l: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                       ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/primality.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn is_prime(n: u128, r: usize) -> bool {
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn hash(s: &str, N: &Int) -> Int {
[INFO] [stderr]    |                      ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn vdf(g: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                     ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:23:30
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn vdf(g: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                              ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn vdf_str(x: &str, T: u128, N: &str) -> String {
[INFO] [stderr]    |                         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:31:34
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn vdf_str(x: &str, T: u128, N: &str) -> String {
[INFO] [stderr]    |                                  ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_int` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let N_int = Int::from_str(N).unwrap();
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `n_int`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn prove(g: &Int, h: &Int, l: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                                         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:38:50
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn prove(g: &Int, h: &Int, l: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                                                  ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:63:51
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn verify(pi: &Int, g: &Int, h: &Int, l: u64, T: u128, N: &Int) -> bool {
[INFO] [stderr]    |                                                   ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:63:60
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn verify(pi: &Int, g: &Int, h: &Int, l: u64, T: u128, N: &Int) -> bool {
[INFO] [stderr]    |                                                            ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/lib.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn prove(g: &Int, h: &Int, l: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                       ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/primality.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn is_prime(n: u128, r: usize) -> bool {
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn hash(s: &str, N: &Int) -> Int {
[INFO] [stderr]    |                      ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn vdf(g: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                     ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:23:30
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn vdf(g: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                              ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn vdf_str(x: &str, T: u128, N: &str) -> String {
[INFO] [stderr]    |                         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:31:34
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn vdf_str(x: &str, T: u128, N: &str) -> String {
[INFO] [stderr]    |                                  ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N_int` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let N_int = Int::from_str(N).unwrap();
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `n_int`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn prove(g: &Int, h: &Int, l: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                                         ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:38:50
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn prove(g: &Int, h: &Int, l: &Int, T: u128, N: &Int) -> Int {
[INFO] [stderr]    |                                                  ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:63:51
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn verify(pi: &Int, g: &Int, h: &Int, l: u64, T: u128, N: &Int) -> bool {
[INFO] [stderr]    |                                                   ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:63:60
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn verify(pi: &Int, g: &Int, h: &Int, l: u64, T: u128, N: &Int) -> bool {
[INFO] [stderr]    |                                                            ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let N = Int::from_str("135066410865995223349603216278805969938881475605667027524485143851526510604859533833940287150571909441798207282164471551373680419703964191743046496589274256239341020864383202110372958725762358509643110564073501508187510676594629205563685529475213500852879416377328533906109750544334999811150056977236890927563").expect("Cannot read string");
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let T = 1000;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let N = Int::from_str("135066410865995223349603216278805969938881475605667027524485143851526510604859533833940287150571909441798207282164471551373680419703964191743046496589274256239341020864383202110372958725762358509643110564073501508187510676594629205563685529475213500852879416377328533906109750544334999811150056977236890927563").expect("Cannot read string");
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let T = 100000;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.32s
[INFO] running `"docker" "inspect" "7d70e64b0f0484702d0341e6a8a6a6fc50ed593bcdbc4afc84c691b5e15263ff"`
[INFO] running `"docker" "rm" "-f" "7d70e64b0f0484702d0341e6a8a6a6fc50ed593bcdbc4afc84c691b5e15263ff"`
[INFO] [stdout] 7d70e64b0f0484702d0341e6a8a6a6fc50ed593bcdbc4afc84c691b5e15263ff