[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] building ymgyt/baremetal-handson against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fbaremetal-handson" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/baremetal-handson on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-101/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" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf12c4b32d68278d93ca065fdbc03fc2c4e3d0ee67655b64427e3df5f472cce5
[INFO] running `Command { std: "docker" "start" "-a" "cf12c4b32d68278d93ca065fdbc03fc2c4e3d0ee67655b64427e3df5f472cce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf12c4b32d68278d93ca065fdbc03fc2c4e3d0ee67655b64427e3df5f472cce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf12c4b32d68278d93ca065fdbc03fc2c4e3d0ee67655b64427e3df5f472cce5", kill_on_drop: false }`
[INFO] [stdout] cf12c4b32d68278d93ca065fdbc03fc2c4e3d0ee67655b64427e3df5f472cce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8578b32aaf6e933eed4bf0a2efb6e5a2c30f879295c424427e6f760cc86c737
[INFO] running `Command { std: "docker" "start" "-a" "d8578b32aaf6e933eed4bf0a2efb6e5a2c30f879295c424427e6f760cc86c737", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "d8578b32aaf6e933eed4bf0a2efb6e5a2c30f879295c424427e6f760cc86c737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8578b32aaf6e933eed4bf0a2efb6e5a2c30f879295c424427e6f760cc86c737", kill_on_drop: false }`
[INFO] [stdout] d8578b32aaf6e933eed4bf0a2efb6e5a2c30f879295c424427e6f760cc86c737