[INFO] cloning repository https://github.com/ferruccio/prompt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferruccio/prompt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferruccio%2Fprompt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferruccio%2Fprompt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 115a8a7e93fcd26b5405dcf68f0055731efeb337
[INFO] checking ferruccio/prompt against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferruccio%2Fprompt" "/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/ferruccio/prompt 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/ferruccio/prompt
[INFO] finished tweaking git repo https://github.com/ferruccio/prompt
[INFO] tweaked toml for git repo https://github.com/ferruccio/prompt written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ferruccio/prompt 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] 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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad34fb09d88ecbcaebc1bb203a7d47a1643fda8c98260a0289899f6f3c13075b
[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" "ad34fb09d88ecbcaebc1bb203a7d47a1643fda8c98260a0289899f6f3c13075b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad34fb09d88ecbcaebc1bb203a7d47a1643fda8c98260a0289899f6f3c13075b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad34fb09d88ecbcaebc1bb203a7d47a1643fda8c98260a0289899f6f3c13075b", kill_on_drop: false }`
[INFO] [stdout] ad34fb09d88ecbcaebc1bb203a7d47a1643fda8c98260a0289899f6f3c13075b
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dedef1005d07ebc3cb5e014c752dce49b777e5405dcf8e3d382c970f650e9697
[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" "dedef1005d07ebc3cb5e014c752dce49b777e5405dcf8e3d382c970f650e9697", kill_on_drop: false }`
[INFO] [stderr]     Checking regex v1.3.8
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking prompt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.20s
[INFO] running `Command { std: "docker" "inspect" "dedef1005d07ebc3cb5e014c752dce49b777e5405dcf8e3d382c970f650e9697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedef1005d07ebc3cb5e014c752dce49b777e5405dcf8e3d382c970f650e9697", kill_on_drop: false }`
[INFO] [stdout] dedef1005d07ebc3cb5e014c752dce49b777e5405dcf8e3d382c970f650e9697