[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] checking nenofite/gene-code against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenofite%2Fgene-code" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nenofite/gene-code on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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-3/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", 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] 27225a2cb2365ec8c589e1ad41dcdad6497f44ba7a8a5e0186daf9b070cfa092
[INFO] running `Command { std: "docker" "start" "-a" "27225a2cb2365ec8c589e1ad41dcdad6497f44ba7a8a5e0186daf9b070cfa092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27225a2cb2365ec8c589e1ad41dcdad6497f44ba7a8a5e0186daf9b070cfa092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27225a2cb2365ec8c589e1ad41dcdad6497f44ba7a8a5e0186daf9b070cfa092", kill_on_drop: false }`
[INFO] [stdout] 27225a2cb2365ec8c589e1ad41dcdad6497f44ba7a8a5e0186daf9b070cfa092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 39f29ea404b5884760298e4a16b5f76853a2c379a7fb8a61c5437087d0185841
[INFO] running `Command { std: "docker" "start" "-a" "39f29ea404b5884760298e4a16b5f76853a2c379a7fb8a61c5437087d0185841", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "39f29ea404b5884760298e4a16b5f76853a2c379a7fb8a61c5437087d0185841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f29ea404b5884760298e4a16b5f76853a2c379a7fb8a61c5437087d0185841", kill_on_drop: false }`
[INFO] [stdout] 39f29ea404b5884760298e4a16b5f76853a2c379a7fb8a61c5437087d0185841