[INFO] cloning repository https://github.com/mzhou/pingtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mzhou/pingtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzhou%2Fpingtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzhou%2Fpingtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e24c79f51b8f4233c1ef74f4a12edc36d8123bd
[INFO] checking mzhou/pingtest against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmzhou%2Fpingtest" "/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/mzhou/pingtest 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/mzhou/pingtest
[INFO] finished tweaking git repo https://github.com/mzhou/pingtest
[INFO] tweaked toml for git repo https://github.com/mzhou/pingtest written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mzhou/pingtest 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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5556705174d7bc99af6bc4bd85534b071bb488daa74e7fb450a2d7912d1de0c0
[INFO] running `Command { std: "docker" "start" "-a" "5556705174d7bc99af6bc4bd85534b071bb488daa74e7fb450a2d7912d1de0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5556705174d7bc99af6bc4bd85534b071bb488daa74e7fb450a2d7912d1de0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5556705174d7bc99af6bc4bd85534b071bb488daa74e7fb450a2d7912d1de0c0", kill_on_drop: false }`
[INFO] [stdout] 5556705174d7bc99af6bc4bd85534b071bb488daa74e7fb450a2d7912d1de0c0
[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] 535a9197e2cd8f979761fa738c4982d6324f09cc3b8534279866189673e30ea0
[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" "535a9197e2cd8f979761fa738c4982d6324f09cc3b8534279866189673e30ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking miniz_oxide v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking pingtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.54s
[INFO] running `Command { std: "docker" "inspect" "535a9197e2cd8f979761fa738c4982d6324f09cc3b8534279866189673e30ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535a9197e2cd8f979761fa738c4982d6324f09cc3b8534279866189673e30ea0", kill_on_drop: false }`
[INFO] [stdout] 535a9197e2cd8f979761fa738c4982d6324f09cc3b8534279866189673e30ea0