[INFO] fetching crate prs-cli 0.3.2...
[INFO] testing prs-cli-0.3.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate prs-cli 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prs-cli 0.3.2 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] started tweaking crates.io crate prs-cli 0.3.2
[INFO] finished tweaking crates.io crate prs-cli 0.3.2
[INFO] tweaked toml for crates.io crate prs-cli 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate prs-cli 0.3.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded vte v0.9.0
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded defer-drop v1.0.1
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded ansi-escapes v0.1.1
[INFO] [stderr]   Downloaded minimal-lexical v0.1.2
[INFO] [stderr]   Downloaded copypasta-ext v0.3.7
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.7
[INFO] [stderr]   Downloaded clap_generate v3.0.0-beta.2
[INFO] [stderr]   Downloaded chbs v0.1.0
[INFO] [stderr]   Downloaded tuikit v0.4.5
[INFO] [stderr]   Downloaded text_trees v0.1.2
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded skim v0.9.4
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded edit v0.1.3
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ee0a3d1d68f86c3eea09d8cda5b7ff78480ac75b00afac409721d2302d7809f8
[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" "ee0a3d1d68f86c3eea09d8cda5b7ff78480ac75b00afac409721d2302d7809f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0a3d1d68f86c3eea09d8cda5b7ff78480ac75b00afac409721d2302d7809f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0a3d1d68f86c3eea09d8cda5b7ff78480ac75b00afac409721d2302d7809f8", kill_on_drop: false }`
[INFO] [stdout] ee0a3d1d68f86c3eea09d8cda5b7ff78480ac75b00afac409721d2302d7809f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a9b8351ea16145ea08743c4df4d948fd43d5f0e76380629a7d5193c5b841792d
[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" "a9b8351ea16145ea08743c4df4d948fd43d5f0e76380629a7d5193c5b841792d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling prs-lib v0.3.2
[INFO] [stderr]    Compiling copypasta-ext v0.3.7
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling git-state v0.1.0
[INFO] [stderr]    Compiling ansi-escapes v0.1.1
[INFO] [stderr]    Compiling text_trees v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling secstr v0.4.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling nix v0.20.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling defer-drop v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling edit v0.1.3
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling vte v0.9.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=de5c2afcb97ef1a7 -C extra-filename=-de5c2afcb97ef1a7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-9782221c05e76d34.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-fc8910124e59282b.rmeta --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" "a9b8351ea16145ea08743c4df4d948fd43d5f0e76380629a7d5193c5b841792d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b8351ea16145ea08743c4df4d948fd43d5f0e76380629a7d5193c5b841792d", kill_on_drop: false }`
[INFO] [stdout] a9b8351ea16145ea08743c4df4d948fd43d5f0e76380629a7d5193c5b841792d