[INFO] cloning repository https://github.com/lotuslocke/open-pond
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lotuslocke/open-pond" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flotuslocke%2Fopen-pond", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flotuslocke%2Fopen-pond'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39781b8e593189e8d874e1d98cf040b454be752a
[INFO] checking lotuslocke/open-pond against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flotuslocke%2Fopen-pond" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lotuslocke/open-pond on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lotuslocke/open-pond
[INFO] finished tweaking git repo https://github.com/lotuslocke/open-pond
[INFO] tweaked toml for git repo https://github.com/lotuslocke/open-pond written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/lotuslocke/open-pond already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4309cb5f74d653e7b9e2be64a5a6d05f7eaaa1db569596eb5c5237ce362f092a
[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" "4309cb5f74d653e7b9e2be64a5a6d05f7eaaa1db569596eb5c5237ce362f092a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4309cb5f74d653e7b9e2be64a5a6d05f7eaaa1db569596eb5c5237ce362f092a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4309cb5f74d653e7b9e2be64a5a6d05f7eaaa1db569596eb5c5237ce362f092a", kill_on_drop: false }`
[INFO] [stdout] 4309cb5f74d653e7b9e2be64a5a6d05f7eaaa1db569596eb5c5237ce362f092a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c1228332fadd8ea27c7ed6990b146984d0bd30c804b0dbb54f2ccc07cf354ac
[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" "9c1228332fadd8ea27c7ed6990b146984d0bd30c804b0dbb54f2ccc07cf354ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking open-pond-protocol v0.1.0 (/opt/rustwide/workdir/open-pond-protocol)
[INFO] [stderr]     Checking open-pond-api v0.1.0 (/opt/rustwide/workdir/open-pond-api)
[INFO] [stderr]     Checking open-pond v0.1.0 (/opt/rustwide/workdir/open-pond)
[INFO] [stderr]     Checking examples v0.1.0 (/opt/rustwide/workdir/examples)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.02s
[INFO] running `Command { std: "docker" "inspect" "9c1228332fadd8ea27c7ed6990b146984d0bd30c804b0dbb54f2ccc07cf354ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1228332fadd8ea27c7ed6990b146984d0bd30c804b0dbb54f2ccc07cf354ac", kill_on_drop: false }`
[INFO] [stdout] 9c1228332fadd8ea27c7ed6990b146984d0bd30c804b0dbb54f2ccc07cf354ac