[INFO] cloning repository https://github.com/pop-os/upgrade
[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/upgrade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3bfb98080b0ed7193db7957b55fb0983296baea
[INFO] testing pop-os/upgrade against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pop-os/upgrade on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pop-os/upgrade
[INFO] removed workspace from git repo https://github.com/pop-os/upgrade
[INFO] finished tweaking git repo https://github.com/pop-os/upgrade
[INFO] tweaked toml for git repo https://github.com/pop-os/upgrade written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pop-os/upgrade already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/sysfs-class`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/apt-cmd/`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/distinst/`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/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[INFO] the lockfile is outdated, regenerating it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-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/sysfs-class`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/apt-cmd/`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/distinst/`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded dbus v0.6.5
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded atomic v0.4.6
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded sedregex v0.2.4
[INFO] [stderr]   Downloaded human-sort v0.2.2
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded libparted-sys v0.3.0
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded nanorand v0.4.4
[INFO] [stderr]   Downloaded libparted v0.1.4
[INFO] [stderr]   Downloaded as-result v0.2.1
[INFO] [stderr]   Downloaded sys-mount v1.2.1
[INFO] [stderr]   Downloaded isahc v0.9.14
[INFO] [stderr]   Downloaded async-barrier v1.1.0
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded fomat-macros v0.3.1
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded pwd v1.3.0
[INFO] [stderr]   Downloaded futures-micro v0.3.1
[INFO] [stderr]   Downloaded cascade v1.0.0
[INFO] [stderr]   Downloaded envfile v0.2.1
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] [stderr]   Downloaded procfs v0.8.1
[INFO] [stderr]   Downloaded cascade v0.1.4
[INFO] [stderr]   Downloaded loopdev v0.2.1
[INFO] [stderr]   Downloaded winrt-notification v0.2.2
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded dbus v0.8.4
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded numtoa v0.2.3
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded ubuntu-version v0.2.2
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded partition-identity v0.2.8
[INFO] [stderr]   Downloaded async-io v1.1.0
[INFO] [stderr]   Downloaded systemd-boot-conf v0.2.1
[INFO] [stderr]   Downloaded async-oneshot v0.4.2
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded snailquote v0.2.0
[INFO] [stderr]   Downloaded notify-rust v4.1.0
[INFO] [stderr]   Downloaded proc-mounts v0.2.4
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded os-detect v0.2.2
[INFO] [stderr]   Downloaded fstab-generate v0.1.2
[INFO] [stderr]   Downloaded async-process v0.1.1
[INFO] [stderr]   Downloaded smolscale v0.1.1
[INFO] [stderr]   Downloaded disk-types v0.1.2
[INFO] [stderr]   Downloaded logind-dbus v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61094d9f3adc340e365d557bc0f5d4e4fc6de938d221924ffe8cd6735173cefd
[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" "61094d9f3adc340e365d557bc0f5d4e4fc6de938d221924ffe8cd6735173cefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61094d9f3adc340e365d557bc0f5d4e4fc6de938d221924ffe8cd6735173cefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61094d9f3adc340e365d557bc0f5d4e4fc6de938d221924ffe8cd6735173cefd", kill_on_drop: false }`
[INFO] [stdout] 61094d9f3adc340e365d557bc0f5d4e4fc6de938d221924ffe8cd6735173cefd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b645dbb2f59f19cda3eda1309c62aaa756e416ccb7b3c403c975cbb5e457f2
[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" "72b645dbb2f59f19cda3eda1309c62aaa756e416ccb7b3c403c975cbb5e457f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling numtoa v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling distinst-bootloader v0.1.0 (https://github.com/pop-os/distinst/#d031d1ae)
[INFO] [stderr]    Compiling cascade v0.1.4
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling as-result v0.2.1
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]    Compiling cascade v1.0.0
[INFO] [stderr]    Compiling human-sort v0.2.2
[INFO] [stderr]    Compiling fomat-macros v0.3.1
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling os-release v0.1.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.5+1.42.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling snailquote v0.2.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling async-oneshot v0.4.2
[INFO] [stderr]    Compiling sysfs-class v0.1.3 (https://github.com/pop-os/sysfs-class#c3b86e07)
[INFO] [stderr]    Compiling sluice v0.5.3
[INFO] [stderr]    Compiling async-barrier v1.1.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling polling v0.1.9
[INFO] [stderr]    Compiling polling v1.1.0
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling envfile v0.2.1
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling loopdev v0.2.1
[INFO] [stderr]    Compiling exec v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling sedregex v0.2.4
[INFO] [stderr]    Compiling nanorand v0.4.4
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sys-mount v1.2.1
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dbus v0.8.4
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling async-io v1.1.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling distinst-utils v0.1.0 (https://github.com/pop-os/distinst/#d031d1ae)
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling async-process v0.1.1
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling procfs v0.8.1
[INFO] [stderr]    Compiling smolscale v0.1.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling logind-dbus v0.1.1
[INFO] [stderr]    Compiling notify-rust v4.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr] error: could not compile `bindgen`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bindgen /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bindgen-0.53.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clap"' --cfg 'feature="default"' --cfg 'feature="env_logger"' --cfg 'feature="log"' --cfg 'feature="logging"' --cfg 'feature="runtime"' --cfg 'feature="which"' --cfg 'feature="which-rustfmt"' -C metadata=ba0268b402458e81 -C extra-filename=-ba0268b402458e81 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rmeta --extern cexpr=/opt/rustwide/target/debug/deps/libcexpr-73f7636c85963fb0.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rmeta --extern clang_sys=/opt/rustwide/target/debug/deps/libclang_sys-ae5013df9e204583.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-d7a3602b40347b5a.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e5e1d081da5d1f3e.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rmeta --extern lazycell=/opt/rustwide/target/debug/deps/liblazycell-f038ea2dcf29a564.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rmeta --extern peeking_take_while=/opt/rustwide/target/debug/deps/libpeeking_take_while-f9c7aa3aa5ffcc52.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc674c02767ecd53.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c80413db87535708.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-88a1e75c7e2bfbce.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-928c3e4ebf889784.rmeta --extern shlex=/opt/rustwide/target/debug/deps/libshlex-d756557a0665d1c4.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-751c998a4c7a217d.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/libloading-bb1bcdbc4857518b/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "72b645dbb2f59f19cda3eda1309c62aaa756e416ccb7b3c403c975cbb5e457f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b645dbb2f59f19cda3eda1309c62aaa756e416ccb7b3c403c975cbb5e457f2", kill_on_drop: false }`
[INFO] [stdout] 72b645dbb2f59f19cda3eda1309c62aaa756e416ccb7b3c403c975cbb5e457f2