[INFO] cloning repository https://github.com/quebin31/ant-colony-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quebin31/ant-colony-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Fant-colony-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Fant-colony-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f12c6a303e133cd5f45cf18dada3528d74ff3f5
[INFO] checking quebin31/ant-colony-system against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquebin31%2Fant-colony-system" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quebin31/ant-colony-system on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quebin31/ant-colony-system
[INFO] finished tweaking git repo https://github.com/quebin31/ant-colony-system
[INFO] tweaked toml for git repo https://github.com/quebin31/ant-colony-system written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/quebin31/ant-colony-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0c2c8b392b37afa488e668435a6c4aa51e0afda6e7b80cb9fe12e071d16d296
[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" "c0c2c8b392b37afa488e668435a6c4aa51e0afda6e7b80cb9fe12e071d16d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c2c8b392b37afa488e668435a6c4aa51e0afda6e7b80cb9fe12e071d16d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c2c8b392b37afa488e668435a6c4aa51e0afda6e7b80cb9fe12e071d16d296", kill_on_drop: false }`
[INFO] [stdout] c0c2c8b392b37afa488e668435a6c4aa51e0afda6e7b80cb9fe12e071d16d296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 4e8661ae374f18bd219c4378365852ee80513ae61e9774b00bf7b97f8302ab74
[INFO] running `Command { std: "docker" "start" "-a" "4e8661ae374f18bd219c4378365852ee80513ae61e9774b00bf7b97f8302ab74", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking ant-colony-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.50s
[INFO] running `Command { std: "docker" "inspect" "4e8661ae374f18bd219c4378365852ee80513ae61e9774b00bf7b97f8302ab74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8661ae374f18bd219c4378365852ee80513ae61e9774b00bf7b97f8302ab74", kill_on_drop: false }`
[INFO] [stdout] 4e8661ae374f18bd219c4378365852ee80513ae61e9774b00bf7b97f8302ab74