[INFO] cloning repository https://github.com/cLazyZombie/learn-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cLazyZombie/learn-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Flearn-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Flearn-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f833f96542e3e0f3a2fc45672fca7b3f52e6bac4
[INFO] checking cLazyZombie/learn-async against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Flearn-async" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cLazyZombie/learn-async on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cLazyZombie/learn-async
[INFO] finished tweaking git repo https://github.com/cLazyZombie/learn-async
[INFO] tweaked toml for git repo https://github.com/cLazyZombie/learn-async written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cLazyZombie/learn-async already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 986c50c0f7162adc225de790f7d66fdc91ebc16f1a26c72b721df41b26511b97
[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" "986c50c0f7162adc225de790f7d66fdc91ebc16f1a26c72b721df41b26511b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986c50c0f7162adc225de790f7d66fdc91ebc16f1a26c72b721df41b26511b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986c50c0f7162adc225de790f7d66fdc91ebc16f1a26c72b721df41b26511b97", kill_on_drop: false }`
[INFO] [stdout] 986c50c0f7162adc225de790f7d66fdc91ebc16f1a26c72b721df41b26511b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 8ecb3f099c735d7ccd8f1758c1a6bb234f857b8a50639e3b708bd3e2a471926d
[INFO] running `Command { std: "docker" "start" "-a" "8ecb3f099c735d7ccd8f1758c1a6bb234f857b8a50639e3b708bd3e2a471926d", kill_on_drop: false }`
[INFO] [stderr]     Checking learn-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8ecb3f099c735d7ccd8f1758c1a6bb234f857b8a50639e3b708bd3e2a471926d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecb3f099c735d7ccd8f1758c1a6bb234f857b8a50639e3b708bd3e2a471926d", kill_on_drop: false }`
[INFO] [stdout] 8ecb3f099c735d7ccd8f1758c1a6bb234f857b8a50639e3b708bd3e2a471926d