[INFO] cloning repository https://github.com/Rapdorian/Janus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rapdorian/Janus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRapdorian%2FJanus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRapdorian%2FJanus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77fbba49fd9a1fd55f3440081437a2cb004858e2
[INFO] checking Rapdorian/Janus against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRapdorian%2FJanus" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rapdorian/Janus on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rapdorian/Janus
[INFO] finished tweaking git repo https://github.com/Rapdorian/Janus
[INFO] tweaked toml for git repo https://github.com/Rapdorian/Janus written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Rapdorian/Janus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36f3bcd99999f5b97227fe0a01668d8f9fa0abf3b83836e83dc52037a3e05a6c
[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" "36f3bcd99999f5b97227fe0a01668d8f9fa0abf3b83836e83dc52037a3e05a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f3bcd99999f5b97227fe0a01668d8f9fa0abf3b83836e83dc52037a3e05a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f3bcd99999f5b97227fe0a01668d8f9fa0abf3b83836e83dc52037a3e05a6c", kill_on_drop: false }`
[INFO] [stdout] 36f3bcd99999f5b97227fe0a01668d8f9fa0abf3b83836e83dc52037a3e05a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 5a33f43276807beeed2c8811cbfa123ccd5e81fe8691bb5ebdd8b50f3df896f1
[INFO] running `Command { std: "docker" "start" "-a" "5a33f43276807beeed2c8811cbfa123ccd5e81fe8691bb5ebdd8b50f3df896f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking wide v0.5.5
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ultraviolet v0.7.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[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-0.14.1/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=083dccbf6e92643c -C extra-filename=-083dccbf6e92643c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-921a8a475b5af532.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4b0a7d1b13381df7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-63e5f67c76959b59.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-ff4eec5c2360485f.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5a33f43276807beeed2c8811cbfa123ccd5e81fe8691bb5ebdd8b50f3df896f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a33f43276807beeed2c8811cbfa123ccd5e81fe8691bb5ebdd8b50f3df896f1", kill_on_drop: false }`
[INFO] [stdout] 5a33f43276807beeed2c8811cbfa123ccd5e81fe8691bb5ebdd8b50f3df896f1