[INFO] cloning repository https://github.com/jimmykiang/ping_pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimmykiang/ping_pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimmykiang%2Fping_pong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimmykiang%2Fping_pong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45e2b5bb1f3dab2876b52726f15df83417efaed1
[INFO] checking jimmykiang/ping_pong against master#aec4741d42e10673e7d5fe0f1c96d407801884e8 for pr-116891
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimmykiang%2Fping_pong" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimmykiang/ping_pong on toolchain aec4741d42e10673e7d5fe0f1c96d407801884e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimmykiang/ping_pong
[INFO] finished tweaking git repo https://github.com/jimmykiang/ping_pong
[INFO] tweaked toml for git repo https://github.com/jimmykiang/ping_pong written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jimmykiang/ping_pong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f3422f156b681b03ed1ea2227070039cd25e04fc6eed5c043f2ca395560d7f5
[INFO] running `Command { std: "docker" "start" "-a" "1f3422f156b681b03ed1ea2227070039cd25e04fc6eed5c043f2ca395560d7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3422f156b681b03ed1ea2227070039cd25e04fc6eed5c043f2ca395560d7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3422f156b681b03ed1ea2227070039cd25e04fc6eed5c043f2ca395560d7f5", kill_on_drop: false }`
[INFO] [stdout] 1f3422f156b681b03ed1ea2227070039cd25e04fc6eed5c043f2ca395560d7f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f8441e1c74b902f2f5e6eb9b4d4efaa2210d478cd02d3d3268724719cabb0ec
[INFO] running `Command { std: "docker" "start" "-a" "3f8441e1c74b902f2f5e6eb9b4d4efaa2210d478cd02d3d3268724719cabb0ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking ping_pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "3f8441e1c74b902f2f5e6eb9b4d4efaa2210d478cd02d3d3268724719cabb0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8441e1c74b902f2f5e6eb9b4d4efaa2210d478cd02d3d3268724719cabb0ec", kill_on_drop: false }`
[INFO] [stdout] 3f8441e1c74b902f2f5e6eb9b4d4efaa2210d478cd02d3d3268724719cabb0ec