[INFO] fetching crate prs-cli 0.2.13...
[INFO] checking prs-cli-0.2.13 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate prs-cli 0.2.13 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate prs-cli 0.2.13 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prs-cli 0.2.13
[INFO] finished tweaking crates.io crate prs-cli 0.2.13
[INFO] tweaked toml for crates.io crate prs-cli 0.2.13 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate prs-cli 0.2.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55528b5aed9393c1bdfa2a394765ab988b9de10de53fb4374a9ef887d56c8223
[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" "55528b5aed9393c1bdfa2a394765ab988b9de10de53fb4374a9ef887d56c8223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55528b5aed9393c1bdfa2a394765ab988b9de10de53fb4374a9ef887d56c8223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55528b5aed9393c1bdfa2a394765ab988b9de10de53fb4374a9ef887d56c8223", kill_on_drop: false }`
[INFO] [stdout] 55528b5aed9393c1bdfa2a394765ab988b9de10de53fb4374a9ef887d56c8223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0ed49f0ee197704da506f5dc544c4d372a25a879e335f80b7df3a3f8bf5717e
[INFO] running `Command { std: "docker" "start" "-a" "e0ed49f0ee197704da506f5dc544c4d372a25a879e335f80b7df3a3f8bf5717e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling copypasta-ext v0.3.4
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling prs-lib v0.2.13
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking git-state v0.1.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking version-compare v0.0.11
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking beef v0.5.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking ansi-escapes v0.1.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking text_trees v0.1.2
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking secstr v0.4.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking nb-connect v1.2.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking vte v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand v0.8.4
[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-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=91415aed1f354910 -C extra-filename=-91415aed1f354910 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-9b83afd4b2b281df.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3119ca7a9f88dacc.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-3f5c60b831b5554f.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-ecdf88a6604355cf.rmeta --cap-lints allow --cap-lints=forbid` (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" "e0ed49f0ee197704da506f5dc544c4d372a25a879e335f80b7df3a3f8bf5717e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ed49f0ee197704da506f5dc544c4d372a25a879e335f80b7df3a3f8bf5717e", kill_on_drop: false }`
[INFO] [stdout] e0ed49f0ee197704da506f5dc544c4d372a25a879e335f80b7df3a3f8bf5717e