[INFO] updating cached repository https://github.com/Synthetica9/rs-tance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0d2a9558f29e26015e2516ef65e6667437c589d
[INFO] checking Synthetica9/rs-tance against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Synthetica9/rs-tance on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Synthetica9/rs-tance
[INFO] finished tweaking git repo https://github.com/Synthetica9/rs-tance
[INFO] tweaked toml for git repo https://github.com/Synthetica9/rs-tance written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Synthetica9/rs-tance already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 51b56fa07a2e53bb7ac8a64bfbbaa48441eca7fd694a5314e9898b4471fc9e77
[INFO] running `Command { std: "docker" "start" "-a" "51b56fa07a2e53bb7ac8a64bfbbaa48441eca7fd694a5314e9898b4471fc9e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51b56fa07a2e53bb7ac8a64bfbbaa48441eca7fd694a5314e9898b4471fc9e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b56fa07a2e53bb7ac8a64bfbbaa48441eca7fd694a5314e9898b4471fc9e77", kill_on_drop: false }`
[INFO] [stdout] 51b56fa07a2e53bb7ac8a64bfbbaa48441eca7fd694a5314e9898b4471fc9e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd135942a4f2133e1238628bc261cf753ed518a9ea47c4b549d37a7d60971981
[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" "dd135942a4f2133e1238628bc261cf753ed518a9ea47c4b549d37a7d60971981", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.0
[INFO] [stderr]    Compiling rug v1.4.0
[INFO] [stderr]     Checking primes v0.2.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.13
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking rs-tance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 53s
[INFO] running `Command { std: "docker" "inspect" "dd135942a4f2133e1238628bc261cf753ed518a9ea47c4b549d37a7d60971981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd135942a4f2133e1238628bc261cf753ed518a9ea47c4b549d37a7d60971981", kill_on_drop: false }`
[INFO] [stdout] dd135942a4f2133e1238628bc261cf753ed518a9ea47c4b549d37a7d60971981