[INFO] cloning repository https://github.com/acheronfail/grep-sink-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acheronfail/grep-sink-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fgrep-sink-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fgrep-sink-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fae1098836f82cc89445a60b31be30dacf018f42
[INFO] checking acheronfail/grep-sink-example against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fgrep-sink-example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acheronfail/grep-sink-example 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/acheronfail/grep-sink-example
[INFO] finished tweaking git repo https://github.com/acheronfail/grep-sink-example
[INFO] tweaked toml for git repo https://github.com/acheronfail/grep-sink-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/acheronfail/grep-sink-example 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5970a382c52c239770d776a0f92299f83180ccbe306330e7faa6c69948c3e977
[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" "5970a382c52c239770d776a0f92299f83180ccbe306330e7faa6c69948c3e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5970a382c52c239770d776a0f92299f83180ccbe306330e7faa6c69948c3e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5970a382c52c239770d776a0f92299f83180ccbe306330e7faa6c69948c3e977", kill_on_drop: false }`
[INFO] [stdout] 5970a382c52c239770d776a0f92299f83180ccbe306330e7faa6c69948c3e977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea8b71f5ea9c6254dbdcc7206f0c6c95cc6225298d41a10347c454ce35eadec3
[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" "ea8b71f5ea9c6254dbdcc7206f0c6c95cc6225298d41a10347c454ce35eadec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking grep-matcher v0.1.4
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking grep-searcher v0.1.7
[INFO] [stderr]     Checking grep-regex v0.1.8
[INFO] [stderr]     Checking grep-cli v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking grep-printer v0.1.5
[INFO] [stderr]     Checking grep v0.2.7
[INFO] [stderr]     Checking grep_sink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "ea8b71f5ea9c6254dbdcc7206f0c6c95cc6225298d41a10347c454ce35eadec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8b71f5ea9c6254dbdcc7206f0c6c95cc6225298d41a10347c454ce35eadec3", kill_on_drop: false }`
[INFO] [stdout] ea8b71f5ea9c6254dbdcc7206f0c6c95cc6225298d41a10347c454ce35eadec3