[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] f1b66c527b20803535a4a12585349bb0ce89cd8b
[INFO] testing pop-os/upgrade against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Fupgrade" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pop-os/upgrade on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/rust-toolchain
[INFO] started tweaking 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-15/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" "+1.55.0" "fetch" "--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 unic-langid v0.9.0
[INFO] [stderr]   Downloaded type-map v0.4.0
[INFO] [stderr]   Downloaded i18n-embed-fl v0.5.0
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded ouroboros v0.9.5
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.1
[INFO] [stderr]   Downloaded console v0.9.2
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded better-panic v0.2.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded test-case v1.2.0
[INFO] [stderr]   Downloaded numtoa v0.2.4
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded fluent v0.15.0
[INFO] [stderr]   Downloaded snailquote v0.2.0
[INFO] [stderr]   Downloaded cdylib-link-lines v0.1.4
[INFO] [stderr]   Downloaded gobject-sys v0.10.0
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded intl-memoizer v0.5.1
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded pwd v1.3.1
[INFO] [stderr]   Downloaded partition-identity v0.2.8
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded libparted-sys v0.3.0
[INFO] [stderr]   Downloaded dashmap v4.0.2
[INFO] [stderr]   Downloaded i18n-embed v0.12.1
[INFO] [stderr]   Downloaded i18n-config v0.4.2
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded cascade v1.0.0
[INFO] [stderr]   Downloaded rust-embed-utils v5.1.0
[INFO] [stderr]   Downloaded futures-micro v0.3.1
[INFO] [stderr]   Downloaded fomat-macros v0.3.1
[INFO] [stderr]   Downloaded notify-rust v4.5.2
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded async-barrier v1.1.0
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded as-result v0.2.1
[INFO] [stderr]   Downloaded isahc v1.4.0
[INFO] [stderr]   Downloaded dbus-crossroads v0.3.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded rust-embed v5.9.0
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded async-oneshot v0.4.2
[INFO] [stderr]   Downloaded loopdev v0.2.1
[INFO] [stderr]   Downloaded i18n-embed-impl v0.7.0
[INFO] [stderr]   Downloaded sedregex v0.2.4
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded human-sort v0.2.2
[INFO] [stderr]   Downloaded fluent-bundle v0.15.1
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded fluent-langneg v0.13.0
[INFO] [stderr]   Downloaded dbus v0.9.3
[INFO] [stderr]   Downloaded proc-mounts v0.2.4
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] [stderr]   Downloaded sys-mount v1.2.1
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded async-process v1.2.0
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded envfile v0.2.1
[INFO] [stderr]   Downloaded sluice v0.5.4
[INFO] [stderr]   Downloaded cascade v0.1.4
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded procfs v0.9.1
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded rust-embed-impl v5.9.0
[INFO] [stderr]   Downloaded ouroboros_macro v0.9.5
[INFO] [stderr]   Downloaded fluent-syntax v0.11.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded libparted v0.1.4
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded bindgen v0.53.3
[INFO] [stderr]   Downloaded logind-dbus v0.1.1
[INFO] [stderr]   Downloaded smolscale v0.2.3
[INFO] [stderr]   Downloaded whitespace-conf v1.0.0
[INFO] [stderr]   Downloaded systemd-boot-conf v0.2.2
[INFO] [stderr]   Downloaded ubuntu-version v0.2.4
[INFO] [stderr]   Downloaded upower_dbus v0.1.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3fbb295644097df13b390a532103d13675c9aa89c4831bfbbfaf34c8495ff6
[INFO] running `Command { std: "docker" "start" "-a" "8e3fbb295644097df13b390a532103d13675c9aa89c4831bfbbfaf34c8495ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3fbb295644097df13b390a532103d13675c9aa89c4831bfbbfaf34c8495ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3fbb295644097df13b390a532103d13675c9aa89c4831bfbbfaf34c8495ff6", kill_on_drop: false }`
[INFO] [stdout] 8e3fbb295644097df13b390a532103d13675c9aa89c4831bfbbfaf34c8495ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 439b1d1ce898ab70c5cc60db0c420e5b5f64c98c92ac273c0d7df0dbafd01af0
[INFO] running `Command { std: "docker" "start" "-a" "439b1d1ce898ab70c5cc60db0c420e5b5f64c98c92ac273c0d7df0dbafd01af0", 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 libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling numtoa v0.2.4
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling fomat-macros v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling distinst-bootloader v0.1.0 (https://github.com/pop-os/distinst/#c712fda8)
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling cascade v0.1.4
[INFO] [stderr]    Compiling as-result v0.2.1
[INFO] [stderr]    Compiling whitespace-conf v1.0.0
[INFO] [stderr]    Compiling cascade v1.0.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling human-sort v0.2.2
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling os-release v0.1.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling async-barrier v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.69/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 -C metadata=e1cad49e2af5acfa -C extra-filename=-e1cad49e2af5acfa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "439b1d1ce898ab70c5cc60db0c420e5b5f64c98c92ac273c0d7df0dbafd01af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439b1d1ce898ab70c5cc60db0c420e5b5f64c98c92ac273c0d7df0dbafd01af0", kill_on_drop: false }`
[INFO] [stdout] 439b1d1ce898ab70c5cc60db0c420e5b5f64c98c92ac273c0d7df0dbafd01af0