[INFO] cloning 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" "clone" "--bare" "https://github.com/Synthetica9/rs-tance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0d2a9558f29e26015e2516ef65e6667437c589d
[INFO] checking Synthetica9/rs-tance against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSynthetica9%2Frs-tance" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Synthetica9/rs-tance on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primes v0.2.3
[INFO] [stderr]   Downloaded rug v1.4.0
[INFO] [stderr]   Downloaded nix v0.14.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d8fff50f296c652cdbc3ff715e59c7a990fc20e2d0d23bab30b6c2c216e83b8
[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" "4d8fff50f296c652cdbc3ff715e59c7a990fc20e2d0d23bab30b6c2c216e83b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d8fff50f296c652cdbc3ff715e59c7a990fc20e2d0d23bab30b6c2c216e83b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8fff50f296c652cdbc3ff715e59c7a990fc20e2d0d23bab30b6c2c216e83b8", kill_on_drop: false }`
[INFO] [stdout] 4d8fff50f296c652cdbc3ff715e59c7a990fc20e2d0d23bab30b6c2c216e83b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf3ef0dd82b1e27ab4358e459826a9340c04e99c48b4a1e83bda43d66e396461
[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" "cf3ef0dd82b1e27ab4358e459826a9340c04e99c48b4a1e83bda43d66e396461", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.14.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rug v1.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking primes v0.2.3
[INFO] [stderr]    Compiling libc v0.2.58
[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 5m 07s
[INFO] running `Command { std: "docker" "inspect" "cf3ef0dd82b1e27ab4358e459826a9340c04e99c48b4a1e83bda43d66e396461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3ef0dd82b1e27ab4358e459826a9340c04e99c48b4a1e83bda43d66e396461", kill_on_drop: false }`
[INFO] [stdout] cf3ef0dd82b1e27ab4358e459826a9340c04e99c48b4a1e83bda43d66e396461