[INFO] cloning repository https://github.com/Kolaer/horse-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kolaer/horse-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolaer%2Fhorse-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolaer%2Fhorse-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa5f25794ea4c2fb247de07013dd5b686c273e9b
[INFO] checking Kolaer/horse-server against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolaer%2Fhorse-server" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kolaer/horse-server on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kolaer/horse-server
[INFO] finished tweaking git repo https://github.com/Kolaer/horse-server
[INFO] tweaked toml for git repo https://github.com/Kolaer/horse-server written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Kolaer/horse-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.1.8
[INFO] [stderr]   Downloaded enumset_derive v0.2.0
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded array-macro v1.0.3
[INFO] [stderr]   Downloaded enum-map-derive v0.4.1
[INFO] [stderr]   Downloaded cc v1.0.29
[INFO] [stderr]   Downloaded ncurses v5.99.0
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded enum-map v0.4.1
[INFO] [stderr]   Downloaded cursive v0.10.0
[INFO] [stderr]   Downloaded libc v0.2.49
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded xi-unicode v0.1.0
[INFO] [stderr]   Downloaded crossbeam v0.7.1
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.6
[INFO] [stderr]   Downloaded enumset v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a8bb5ad6f161e20cea8f4c35adcf9a4558d8622b90d193c15ac47a7e422dee
[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" "c6a8bb5ad6f161e20cea8f4c35adcf9a4558d8622b90d193c15ac47a7e422dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a8bb5ad6f161e20cea8f4c35adcf9a4558d8622b90d193c15ac47a7e422dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a8bb5ad6f161e20cea8f4c35adcf9a4558d8622b90d193c15ac47a7e422dee", kill_on_drop: false }`
[INFO] [stdout] c6a8bb5ad6f161e20cea8f4c35adcf9a4558d8622b90d193c15ac47a7e422dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfca69d75cbd76756098abd792aee08e63a0342ce1f937b95fe46eb71da18689
[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" "bfca69d75cbd76756098abd792aee08e63a0342ce1f937b95fe46eb71da18689", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking signal-hook v0.1.8
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling enumset_derive v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking enumset v0.3.16
[INFO] [stderr]     Checking serde v1.0.89
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cursive v0.10.0
[INFO] [stderr]     Checking horse-server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking horse-client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.09s
[INFO] running `Command { std: "docker" "inspect" "bfca69d75cbd76756098abd792aee08e63a0342ce1f937b95fe46eb71da18689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfca69d75cbd76756098abd792aee08e63a0342ce1f937b95fe46eb71da18689", kill_on_drop: false }`
[INFO] [stdout] bfca69d75cbd76756098abd792aee08e63a0342ce1f937b95fe46eb71da18689