[INFO] updating cached repository https://github.com/nenofite/gene-code
[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] 649ddc28448d9480a7012744b7720d7564823ddf
[INFO] testing nenofite/gene-code against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenofite%2Fgene-code" "/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/nenofite/gene-code on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nenofite/gene-code
[INFO] finished tweaking git repo https://github.com/nenofite/gene-code
[INFO] tweaked toml for git repo https://github.com/nenofite/gene-code written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nenofite/gene-code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] f177bf72252f5559994c83945e801cfe005d0477bb0f3309c3bbcdcf2238acbd
[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" "f177bf72252f5559994c83945e801cfe005d0477bb0f3309c3bbcdcf2238acbd"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling gene_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]  --> src/gene.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/gene.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run_all`
[INFO] [stderr]    --> src/lang.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn run_all(&mut self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `"docker" "inspect" "f177bf72252f5559994c83945e801cfe005d0477bb0f3309c3bbcdcf2238acbd"`
[INFO] running `"docker" "rm" "-f" "f177bf72252f5559994c83945e801cfe005d0477bb0f3309c3bbcdcf2238acbd"`
[INFO] [stdout] f177bf72252f5559994c83945e801cfe005d0477bb0f3309c3bbcdcf2238acbd
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 97fbb4038214962b8afd5cdb3c6f1bcda73855428ef10751f82c087fcdc9bdab
[INFO] running `"docker" "start" "-a" "97fbb4038214962b8afd5cdb3c6f1bcda73855428ef10751f82c087fcdc9bdab"`
[INFO] [stderr]    Compiling gene_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]  --> src/gene.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/gene.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "97fbb4038214962b8afd5cdb3c6f1bcda73855428ef10751f82c087fcdc9bdab"`
[INFO] running `"docker" "rm" "-f" "97fbb4038214962b8afd5cdb3c6f1bcda73855428ef10751f82c087fcdc9bdab"`
[INFO] [stdout] 97fbb4038214962b8afd5cdb3c6f1bcda73855428ef10751f82c087fcdc9bdab
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 8f2377e30a8aaa4256c2f4ca29944080fea5043d108f765a8a8929b9b1d3539f
[INFO] running `"docker" "start" "-a" "8f2377e30a8aaa4256c2f4ca29944080fea5043d108f765a8a8929b9b1d3539f"`
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]  --> src/gene.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/gene.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gene_code-b1fc1d76641dd884
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lang::tests::use_stack ... ok
[INFO] [stdout] test prog_gene::tests::display_gene ... ok
[INFO] [stdout] test lang::tests::use_commands ... ok
[INFO] [stdout] test gene::tests::gen_pool ... ok
[INFO] [stdout] test prog_gene::tests::test_fitness ... ok
[INFO] [stdout] test prog_gene::tests::generate_and_mutate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8f2377e30a8aaa4256c2f4ca29944080fea5043d108f765a8a8929b9b1d3539f"`
[INFO] running `"docker" "rm" "-f" "8f2377e30a8aaa4256c2f4ca29944080fea5043d108f765a8a8929b9b1d3539f"`
[INFO] [stdout] 8f2377e30a8aaa4256c2f4ca29944080fea5043d108f765a8a8929b9b1d3539f