[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 beta-2021-09-08 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-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pop-os/upgrade on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-20/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-20/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-2021-09-08" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d837afc1027c56651ca93d73d405aafeb2d94edfe45c473f1cf51799fbb04c
[INFO] running `Command { std: "docker" "start" "-a" "76d837afc1027c56651ca93d73d405aafeb2d94edfe45c473f1cf51799fbb04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d837afc1027c56651ca93d73d405aafeb2d94edfe45c473f1cf51799fbb04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d837afc1027c56651ca93d73d405aafeb2d94edfe45c473f1cf51799fbb04c", kill_on_drop: false }`
[INFO] [stdout] 76d837afc1027c56651ca93d73d405aafeb2d94edfe45c473f1cf51799fbb04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c70bb8a766d9c9cf0e0355947320c48242560046b00e181d722944362e6caad
[INFO] running `Command { std: "docker" "start" "-a" "6c70bb8a766d9c9cf0e0355947320c48242560046b00e181d722944362e6caad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling numtoa v0.2.4
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling fomat-macros v0.3.1
[INFO] [stderr]    Compiling distinst-bootloader v0.1.0 (https://github.com/pop-os/distinst/#c712fda8)
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling byteorder v1.4.3
[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 cpufeatures v0.1.5
[INFO] [stderr]    Compiling whitespace-conf v1.0.0
[INFO] [stderr]    Compiling human-sort v0.2.2
[INFO] [stderr]    Compiling cascade v1.0.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling os-release v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr] error: could not compile `version_check`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name version_check /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version_check-0.9.3/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 -C metadata=044190d4499d40ff -C extra-filename=-044190d4499d40ff --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" "6c70bb8a766d9c9cf0e0355947320c48242560046b00e181d722944362e6caad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c70bb8a766d9c9cf0e0355947320c48242560046b00e181d722944362e6caad", kill_on_drop: false }`
[INFO] [stdout] 6c70bb8a766d9c9cf0e0355947320c48242560046b00e181d722944362e6caad