[INFO] cloning repository https://github.com/shnarazk/splr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shnarazk/splr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshnarazk%2Fsplr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshnarazk%2Fsplr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c39c72f45e044dc5f11dbe8170deb813e867453
[INFO] checking shnarazk/splr against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshnarazk%2Fsplr" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shnarazk/splr on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shnarazk/splr
[INFO] finished tweaking git repo https://github.com/shnarazk/splr
[INFO] tweaked toml for git repo https://github.com/shnarazk/splr written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/shnarazk/splr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 2a1006daf49359934d1dc09233e20751ef358e856374cb18ddbab1105c3af2e8
[INFO] running `Command { std: "docker" "start" "-a" "2a1006daf49359934d1dc09233e20751ef358e856374cb18ddbab1105c3af2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a1006daf49359934d1dc09233e20751ef358e856374cb18ddbab1105c3af2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1006daf49359934d1dc09233e20751ef358e856374cb18ddbab1105c3af2e8", kill_on_drop: false }`
[INFO] [stdout] 2a1006daf49359934d1dc09233e20751ef358e856374cb18ddbab1105c3af2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c84721440f6a16f4ec0daa728f1ae5fb928429fb12061603a48f79c0ea54608e
[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" "c84721440f6a16f4ec0daa728f1ae5fb928429fb12061603a48f79c0ea54608e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking splr v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.97s
[INFO] running `Command { std: "docker" "inspect" "c84721440f6a16f4ec0daa728f1ae5fb928429fb12061603a48f79c0ea54608e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84721440f6a16f4ec0daa728f1ae5fb928429fb12061603a48f79c0ea54608e", kill_on_drop: false }`
[INFO] [stdout] c84721440f6a16f4ec0daa728f1ae5fb928429fb12061603a48f79c0ea54608e