[INFO] cloning repository https://github.com/Kelwing/DiscordRichPresence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kelwing/DiscordRichPresence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelwing%2FDiscordRichPresence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelwing%2FDiscordRichPresence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f19444a8c7a3d4bf1799ca948fee92de91fb632f
[INFO] checking Kelwing/DiscordRichPresence against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelwing%2FDiscordRichPresence" "/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/Kelwing/DiscordRichPresence 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/Kelwing/DiscordRichPresence
[INFO] finished tweaking git repo https://github.com/Kelwing/DiscordRichPresence
[INFO] tweaked toml for git repo https://github.com/Kelwing/DiscordRichPresence written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Kelwing/DiscordRichPresence 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 yaml-rust v0.4.2
[INFO] [stderr]   Downloaded discord-rpc-client v0.2.3
[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] 8137eee9519fa9776fe105d5e331748145a5eba7cbfd437dbab3dd7298a426bb
[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" "8137eee9519fa9776fe105d5e331748145a5eba7cbfd437dbab3dd7298a426bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8137eee9519fa9776fe105d5e331748145a5eba7cbfd437dbab3dd7298a426bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8137eee9519fa9776fe105d5e331748145a5eba7cbfd437dbab3dd7298a426bb", kill_on_drop: false }`
[INFO] [stdout] 8137eee9519fa9776fe105d5e331748145a5eba7cbfd437dbab3dd7298a426bb
[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] 81d34896c78a9e4b254f8d903ba0d43007d3cfa3e876719f5eaea7b4ada200dc
[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" "81d34896c78a9e4b254f8d903ba0d43007d3cfa3e876719f5eaea7b4ada200dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking discord-rpc-client v0.2.3
[INFO] [stderr]     Checking discord_rp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.99s
[INFO] running `Command { std: "docker" "inspect" "81d34896c78a9e4b254f8d903ba0d43007d3cfa3e876719f5eaea7b4ada200dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d34896c78a9e4b254f8d903ba0d43007d3cfa3e876719f5eaea7b4ada200dc", kill_on_drop: false }`
[INFO] [stdout] 81d34896c78a9e4b254f8d903ba0d43007d3cfa3e876719f5eaea7b4ada200dc