[INFO] cloning repository https://github.com/nenofite/gene-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nenofite/gene-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenofite%2Fgene-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenofite%2Fgene-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 649ddc28448d9480a7012744b7720d7564823ddf
[INFO] testing nenofite/gene-code against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenofite%2Fgene-code" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nenofite/gene-code on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nenofite/gene-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b78edbc9d0fd3e3847097c86bc5809c2d0271615346d7251b18c31b4bc5ebf7
[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" "0b78edbc9d0fd3e3847097c86bc5809c2d0271615346d7251b18c31b4bc5ebf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b78edbc9d0fd3e3847097c86bc5809c2d0271615346d7251b18c31b4bc5ebf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b78edbc9d0fd3e3847097c86bc5809c2d0271615346d7251b18c31b4bc5ebf7", kill_on_drop: false }`
[INFO] [stdout] 0b78edbc9d0fd3e3847097c86bc5809c2d0271615346d7251b18c31b4bc5ebf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a61e7046cffc752e0e8be7e02658bb7a3f00339588a80efc3d1ee19cd2af6d
[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" "67a61e7046cffc752e0e8be7e02658bb7a3f00339588a80efc3d1ee19cd2af6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gene_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/gene.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/gene.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_all`
[INFO] [stdout]    --> src/lang.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn run_all(&mut self) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "67a61e7046cffc752e0e8be7e02658bb7a3f00339588a80efc3d1ee19cd2af6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a61e7046cffc752e0e8be7e02658bb7a3f00339588a80efc3d1ee19cd2af6d", kill_on_drop: false }`
[INFO] [stdout] 67a61e7046cffc752e0e8be7e02658bb7a3f00339588a80efc3d1ee19cd2af6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01f1acac6e2817431e96159c7257f2dd01cdc7288447391e52ca9d111af1fa8b
[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" "01f1acac6e2817431e96159c7257f2dd01cdc7288447391e52ca9d111af1fa8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gene_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/gene.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/gene.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "01f1acac6e2817431e96159c7257f2dd01cdc7288447391e52ca9d111af1fa8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f1acac6e2817431e96159c7257f2dd01cdc7288447391e52ca9d111af1fa8b", kill_on_drop: false }`
[INFO] [stdout] 01f1acac6e2817431e96159c7257f2dd01cdc7288447391e52ca9d111af1fa8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d069f26eccc4952e66521c1992e65a15f2aff55e995f301c8f16b4dae5b3a85f
[INFO] running `Command { std: "docker" "start" "-a" "d069f26eccc4952e66521c1992e65a15f2aff55e995f301c8f16b4dae5b3a85f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stdout] running 6 tests
[INFO] [stderr]  --> src/gene.rs:7:23
[INFO] [stdout] test gene::tests::gen_pool ... ok
[INFO] [stderr]   |
[INFO] [stdout] test lang::tests::use_commands ... ok
[INFO] [stderr] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout] test lang::tests::use_stack ... ok
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gene_code-d1fe2972b807ae9a
[INFO] [stdout] test prog_gene::tests::display_gene ... 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; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d069f26eccc4952e66521c1992e65a15f2aff55e995f301c8f16b4dae5b3a85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d069f26eccc4952e66521c1992e65a15f2aff55e995f301c8f16b4dae5b3a85f", kill_on_drop: false }`
[INFO] [stdout] d069f26eccc4952e66521c1992e65a15f2aff55e995f301c8f16b4dae5b3a85f