[INFO] cloning repository https://github.com/pop-os/system76-firmware
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pop-os/system76-firmware" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fsystem76-firmware", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fsystem76-firmware'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afb69442a37441bcecfa6de3a6609ff6146b7d0d
[INFO] checking pop-os/system76-firmware against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fsystem76-firmware" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pop-os/system76-firmware on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pop-os/system76-firmware
[INFO] removed workspace from git repo https://github.com/pop-os/system76-firmware
[INFO] finished tweaking git repo https://github.com/pop-os/system76-firmware
[INFO] tweaked toml for git repo https://github.com/pop-os/system76-firmware written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/pop-os/system76-firmware already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/system76/ecflash.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4641a0715298d80694d8fc93b69822466841cb9def134be6cf3135580427868
[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" "e4641a0715298d80694d8fc93b69822466841cb9def134be6cf3135580427868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4641a0715298d80694d8fc93b69822466841cb9def134be6cf3135580427868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4641a0715298d80694d8fc93b69822466841cb9def134be6cf3135580427868", kill_on_drop: false }`
[INFO] [stdout] e4641a0715298d80694d8fc93b69822466841cb9def134be6cf3135580427868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4c3987a8260950273b2d4fda23ed4a39e9f2e291efb48fde42b481ad8a4881a
[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" "e4c3987a8260950273b2d4fda23ed4a39e9f2e291efb48fde42b481ad8a4881a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking index-fixed v0.3.0
[INFO] [stderr]    Compiling rust-lzma v0.5.1
[INFO] [stderr]     Checking ecflash v0.1.0 (https://github.com/system76/ecflash.git?branch=stable#ee9d69d4)
[INFO] [stderr]     Checking system76_ectool v0.2.2
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking lxd v0.1.8
[INFO] [stderr]     Checking sodalite v0.3.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking buildchain v0.4.11
[INFO] [stderr]     Checking system76-firmware v1.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.99s
[INFO] running `Command { std: "docker" "inspect" "e4c3987a8260950273b2d4fda23ed4a39e9f2e291efb48fde42b481ad8a4881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c3987a8260950273b2d4fda23ed4a39e9f2e291efb48fde42b481ad8a4881a", kill_on_drop: false }`
[INFO] [stdout] e4c3987a8260950273b2d4fda23ed4a39e9f2e291efb48fde42b481ad8a4881a