[INFO] cloning repository https://github.com/ymgyt/baremetal-handson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/baremetal-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fbaremetal-handson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fbaremetal-handson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c35c3913952429c20eab592d726e546cc84f5600
[INFO] testing ymgyt/baremetal-handson against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fbaremetal-handson" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/baremetal-handson on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ymgyt/baremetal-handson
[INFO] finished tweaking git repo https://github.com/ymgyt/baremetal-handson
[INFO] tweaked toml for git repo https://github.com/ymgyt/baremetal-handson written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ymgyt/baremetal-handson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 056e2bba6208a62f7e5b7d370a279f53c01ff145b01e3ede9ba7be90756c473b
[INFO] running `Command { std: "docker" "start" "-a" "056e2bba6208a62f7e5b7d370a279f53c01ff145b01e3ede9ba7be90756c473b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "056e2bba6208a62f7e5b7d370a279f53c01ff145b01e3ede9ba7be90756c473b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056e2bba6208a62f7e5b7d370a279f53c01ff145b01e3ede9ba7be90756c473b", kill_on_drop: false }`
[INFO] [stdout] 056e2bba6208a62f7e5b7d370a279f53c01ff145b01e3ede9ba7be90756c473b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 238b930f2867d89ad41f56ac5235fc3120e7da3eacf9e9bf30fcdd3ffbffa553
[INFO] running `Command { std: "docker" "start" "-a" "238b930f2867d89ad41f56ac5235fc3120e7da3eacf9e9bf30fcdd3ffbffa553", kill_on_drop: false }`
[INFO] [stderr]    Compiling baremetal-handson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: requires `start` lang_item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `baremetal-handson` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "238b930f2867d89ad41f56ac5235fc3120e7da3eacf9e9bf30fcdd3ffbffa553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238b930f2867d89ad41f56ac5235fc3120e7da3eacf9e9bf30fcdd3ffbffa553", kill_on_drop: false }`
[INFO] [stdout] 238b930f2867d89ad41f56ac5235fc3120e7da3eacf9e9bf30fcdd3ffbffa553