[INFO] cloning repository https://github.com/azastrael/variance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azastrael/variance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazastrael%2Fvariance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazastrael%2Fvariance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe1fa5207f9605f376335727f16c3f620ee77465
[INFO] checking azastrael/variance against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazastrael%2Fvariance" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/azastrael/variance 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/azastrael/variance
[INFO] finished tweaking git repo https://github.com/azastrael/variance
[INFO] tweaked toml for git repo https://github.com/azastrael/variance written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/azastrael/variance 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 622c99e457c227a0843c8d3ed21790fefe43931aa6e21ea0be1d06d80abe8bc4
[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" "622c99e457c227a0843c8d3ed21790fefe43931aa6e21ea0be1d06d80abe8bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622c99e457c227a0843c8d3ed21790fefe43931aa6e21ea0be1d06d80abe8bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622c99e457c227a0843c8d3ed21790fefe43931aa6e21ea0be1d06d80abe8bc4", kill_on_drop: false }`
[INFO] [stdout] 622c99e457c227a0843c8d3ed21790fefe43931aa6e21ea0be1d06d80abe8bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6eb8da405bf0bd0d5d5eb0eaf19e77480d03c0f37f3bbfacd7d192d65d575f46
[INFO] running `Command { std: "docker" "start" "-a" "6eb8da405bf0bd0d5d5eb0eaf19e77480d03c0f37f3bbfacd7d192d65d575f46", kill_on_drop: false }`
[INFO] [stderr]     Checking variance v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "6eb8da405bf0bd0d5d5eb0eaf19e77480d03c0f37f3bbfacd7d192d65d575f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb8da405bf0bd0d5d5eb0eaf19e77480d03c0f37f3bbfacd7d192d65d575f46", kill_on_drop: false }`
[INFO] [stdout] 6eb8da405bf0bd0d5d5eb0eaf19e77480d03c0f37f3bbfacd7d192d65d575f46