[INFO] cloning repository https://github.com/ymgyt/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2973de392be20f1ac8a6d0a0d8587f908ee62c96
[INFO] checking ymgyt/kvs against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fkvs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/kvs on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ymgyt/kvs
[INFO] finished tweaking git repo https://github.com/ymgyt/kvs
[INFO] tweaked toml for git repo https://github.com/ymgyt/kvs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ymgyt/kvs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d8c41225ba310ac022ce79708104a974b42af8fa9dbb8eb6d235be85ea9ef1
[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" "85d8c41225ba310ac022ce79708104a974b42af8fa9dbb8eb6d235be85ea9ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d8c41225ba310ac022ce79708104a974b42af8fa9dbb8eb6d235be85ea9ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d8c41225ba310ac022ce79708104a974b42af8fa9dbb8eb6d235be85ea9ef1", kill_on_drop: false }`
[INFO] [stdout] 85d8c41225ba310ac022ce79708104a974b42af8fa9dbb8eb6d235be85ea9ef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] b17ef718313a2c61c5dc775b3ecf5a70a9288c555a6a7ae4d2615065bd3a2cc3
[INFO] running `Command { std: "docker" "start" "-a" "b17ef718313a2c61c5dc775b3ecf5a70a9288c555a6a7ae4d2615065bd3a2cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.60s
[INFO] running `Command { std: "docker" "inspect" "b17ef718313a2c61c5dc775b3ecf5a70a9288c555a6a7ae4d2615065bd3a2cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17ef718313a2c61c5dc775b3ecf5a70a9288c555a6a7ae4d2615065bd3a2cc3", kill_on_drop: false }`
[INFO] [stdout] b17ef718313a2c61c5dc775b3ecf5a70a9288c555a6a7ae4d2615065bd3a2cc3