[INFO] cloning repository https://github.com/wfraser/backfs-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/backfs-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6fb69bd4f01fd29f0d45e2d1c4c98c54ec14acd
[INFO] checking wfraser/backfs-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/backfs-rs 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/wfraser/backfs-rs
[INFO] finished tweaking git repo https://github.com/wfraser/backfs-rs
[INFO] tweaked toml for git repo https://github.com/wfraser/backfs-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/backfs-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bfc90bf92230442f3cb912d11cf849c3efc679eff96dcf2a232dd1f9c3e47eb1
[INFO] running `Command { std: "docker" "start" "-a" "bfc90bf92230442f3cb912d11cf849c3efc679eff96dcf2a232dd1f9c3e47eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc90bf92230442f3cb912d11cf849c3efc679eff96dcf2a232dd1f9c3e47eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc90bf92230442f3cb912d11cf849c3efc679eff96dcf2a232dd1f9c3e47eb1", kill_on_drop: false }`
[INFO] [stdout] bfc90bf92230442f3cb912d11cf849c3efc679eff96dcf2a232dd1f9c3e47eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96a6dc7c66dedb6be072ec07255591461f1df55ede36a417160cbda4d80e5f37
[INFO] running `Command { std: "docker" "start" "-a" "96a6dc7c66dedb6be072ec07255591461f1df55ede36a417160cbda4d80e5f37", kill_on_drop: false }`
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking fuse_mt v0.5.1
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "96a6dc7c66dedb6be072ec07255591461f1df55ede36a417160cbda4d80e5f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a6dc7c66dedb6be072ec07255591461f1df55ede36a417160cbda4d80e5f37", kill_on_drop: false }`
[INFO] [stdout] 96a6dc7c66dedb6be072ec07255591461f1df55ede36a417160cbda4d80e5f37