[INFO] updating cached repository https://github.com/KKatsuaki/Mersenne-Twister-in-Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76ed608f4706b1c41233b6326e700f87e0c515ad
[INFO] testing KKatsuaki/Mersenne-Twister-in-Rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKKatsuaki%2FMersenne-Twister-in-Rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KKatsuaki/Mersenne-Twister-in-Rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/KKatsuaki/Mersenne-Twister-in-Rust
[INFO] finished tweaking git repo https://github.com/KKatsuaki/Mersenne-Twister-in-Rust
[INFO] tweaked toml for git repo https://github.com/KKatsuaki/Mersenne-Twister-in-Rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/KKatsuaki/Mersenne-Twister-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 9a39c7d7232836fc52f9a2b36406725654ce208571f1ef0062f2f37fee4ec2aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9a39c7d7232836fc52f9a2b36406725654ce208571f1ef0062f2f37fee4ec2aa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mersenne_wtister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `genrand_u64`
[INFO] [stderr]    --> src/mt19937.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn genrand_u64(&mut self) -> u64{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `genrand_u128`
[INFO] [stderr]    --> src/mt19937.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn genrand_u128(&mut self) -> u128{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "9a39c7d7232836fc52f9a2b36406725654ce208571f1ef0062f2f37fee4ec2aa"`
[INFO] running `"docker" "rm" "-f" "9a39c7d7232836fc52f9a2b36406725654ce208571f1ef0062f2f37fee4ec2aa"`
[INFO] [stdout] 9a39c7d7232836fc52f9a2b36406725654ce208571f1ef0062f2f37fee4ec2aa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb011931aa2d90d80b071318ff121d3fb33d4e22bf2ea0959c253e630bd6b62a
[INFO] running `"docker" "start" "-a" "cb011931aa2d90d80b071318ff121d3fb33d4e22bf2ea0959c253e630bd6b62a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mersenne_wtister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `genrand_u64`
[INFO] [stderr]    --> src/mt19937.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn genrand_u64(&mut self) -> u64{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `genrand_u128`
[INFO] [stderr]    --> src/mt19937.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn genrand_u128(&mut self) -> u128{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "cb011931aa2d90d80b071318ff121d3fb33d4e22bf2ea0959c253e630bd6b62a"`
[INFO] running `"docker" "rm" "-f" "cb011931aa2d90d80b071318ff121d3fb33d4e22bf2ea0959c253e630bd6b62a"`
[INFO] [stdout] cb011931aa2d90d80b071318ff121d3fb33d4e22bf2ea0959c253e630bd6b62a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a69078e148d6a1e263391edcb4880fa7a59621f385c1485a5f2821384c02991e
[INFO] running `"docker" "start" "-a" "a69078e148d6a1e263391edcb4880fa7a59621f385c1485a5f2821384c02991e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: method is never used: `genrand_u64`
[INFO] [stderr]    --> src/mt19937.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn genrand_u64(&mut self) -> u64{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `genrand_u128`
[INFO] [stderr]    --> src/mt19937.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn genrand_u128(&mut self) -> u128{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mersenne_wtister-0afc124f7c6470f9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a69078e148d6a1e263391edcb4880fa7a59621f385c1485a5f2821384c02991e"`
[INFO] running `"docker" "rm" "-f" "a69078e148d6a1e263391edcb4880fa7a59621f385c1485a5f2821384c02991e"`
[INFO] [stdout] a69078e148d6a1e263391edcb4880fa7a59621f385c1485a5f2821384c02991e