[INFO] cloning repository https://github.com/wafflespeanut/free-fall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wafflespeanut/free-fall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwafflespeanut%2Ffree-fall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwafflespeanut%2Ffree-fall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 157d70ffe5b23162d91632e708689861f11a5a23
[INFO] checking wafflespeanut/free-fall against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwafflespeanut%2Ffree-fall" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wafflespeanut/free-fall on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wafflespeanut/free-fall
[INFO] finished tweaking git repo https://github.com/wafflespeanut/free-fall
[INFO] tweaked toml for git repo https://github.com/wafflespeanut/free-fall written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wafflespeanut/free-fall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 030876b2a8f1a9288bc5d9436e396e0c18b5a902c95eb7709bf489dfdc11386b
[INFO] running `Command { std: "docker" "start" "-a" "030876b2a8f1a9288bc5d9436e396e0c18b5a902c95eb7709bf489dfdc11386b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "030876b2a8f1a9288bc5d9436e396e0c18b5a902c95eb7709bf489dfdc11386b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030876b2a8f1a9288bc5d9436e396e0c18b5a902c95eb7709bf489dfdc11386b", kill_on_drop: false }`
[INFO] [stdout] 030876b2a8f1a9288bc5d9436e396e0c18b5a902c95eb7709bf489dfdc11386b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] ce467b4d308eb7d3fee29520f26e2a5d307a748fc2f3bc54e3153e8a902e040e
[INFO] running `Command { std: "docker" "start" "-a" "ce467b4d308eb7d3fee29520f26e2a5d307a748fc2f3bc54e3153e8a902e040e", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.2
[INFO] [stderr]     Checking libc v0.1.10
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking time v0.1.32
[INFO] [stderr]     Checking rand v0.3.10
[INFO] [stderr]     Checking free-fall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "ce467b4d308eb7d3fee29520f26e2a5d307a748fc2f3bc54e3153e8a902e040e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce467b4d308eb7d3fee29520f26e2a5d307a748fc2f3bc54e3153e8a902e040e", kill_on_drop: false }`
[INFO] [stdout] ce467b4d308eb7d3fee29520f26e2a5d307a748fc2f3bc54e3153e8a902e040e