[INFO] cloning repository https://github.com/PurpleMyst/rusty-stringy-genetics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PurpleMyst/rusty-stringy-genetics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Frusty-stringy-genetics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Frusty-stringy-genetics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b778791407b8a7810f97ea0fb31cc2dd3b3fde37
[INFO] checking PurpleMyst/rusty-stringy-genetics against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleMyst%2Frusty-stringy-genetics" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleMyst/rusty-stringy-genetics on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PurpleMyst/rusty-stringy-genetics
[INFO] finished tweaking git repo https://github.com/PurpleMyst/rusty-stringy-genetics
[INFO] tweaked toml for git repo https://github.com/PurpleMyst/rusty-stringy-genetics written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleMyst/rusty-stringy-genetics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] ba39b6d5a0a38e1a5afbd62627280639a228afb4c6a94066a267946391181773
[INFO] running `Command { std: "docker" "start" "-a" "ba39b6d5a0a38e1a5afbd62627280639a228afb4c6a94066a267946391181773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba39b6d5a0a38e1a5afbd62627280639a228afb4c6a94066a267946391181773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba39b6d5a0a38e1a5afbd62627280639a228afb4c6a94066a267946391181773", kill_on_drop: false }`
[INFO] [stdout] ba39b6d5a0a38e1a5afbd62627280639a228afb4c6a94066a267946391181773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 069bc1c76122b77c15157de07285a1be1bcaa1659ae6be5900f17c52f8e13afa
[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" "069bc1c76122b77c15157de07285a1be1bcaa1659ae6be5900f17c52f8e13afa", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.27
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking genetic_strings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "069bc1c76122b77c15157de07285a1be1bcaa1659ae6be5900f17c52f8e13afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069bc1c76122b77c15157de07285a1be1bcaa1659ae6be5900f17c52f8e13afa", kill_on_drop: false }`
[INFO] [stdout] 069bc1c76122b77c15157de07285a1be1bcaa1659ae6be5900f17c52f8e13afa