[INFO] cloning repository https://github.com/amatho/rmbr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amatho/rmbr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatho%2Frmbr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatho%2Frmbr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99dae45a6b970e040c07cc0af59df8f9eee8f076
[INFO] checking amatho/rmbr against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famatho%2Frmbr" "/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/amatho/rmbr on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amatho/rmbr
[INFO] finished tweaking git repo https://github.com/amatho/rmbr
[INFO] tweaked toml for git repo https://github.com/amatho/rmbr written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/amatho/rmbr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.20
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e314a26cc52d05b158f0fc0bf1aebfc38a3935469c948d5841e56b6dd5ea31a9
[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" "e314a26cc52d05b158f0fc0bf1aebfc38a3935469c948d5841e56b6dd5ea31a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e314a26cc52d05b158f0fc0bf1aebfc38a3935469c948d5841e56b6dd5ea31a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e314a26cc52d05b158f0fc0bf1aebfc38a3935469c948d5841e56b6dd5ea31a9", kill_on_drop: false }`
[INFO] [stdout] e314a26cc52d05b158f0fc0bf1aebfc38a3935469c948d5841e56b6dd5ea31a9
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d9363e3230f34b61339f84e3baa3d49069cce891398387689c369aca9d1a77
[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" "f1d9363e3230f34b61339f84e3baa3d49069cce891398387689c369aca9d1a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.20
[INFO] [stderr]     Checking rmbr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "f1d9363e3230f34b61339f84e3baa3d49069cce891398387689c369aca9d1a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d9363e3230f34b61339f84e3baa3d49069cce891398387689c369aca9d1a77", kill_on_drop: false }`
[INFO] [stdout] f1d9363e3230f34b61339f84e3baa3d49069cce891398387689c369aca9d1a77