[INFO] cloning repository https://github.com/yeliknewo/inception
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yeliknewo/inception" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeliknewo%2Finception", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeliknewo%2Finception'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5fc6df924cfcb55bfb45856d0d681ae8cacdd47
[INFO] testing yeliknewo/inception against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeliknewo%2Finception" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yeliknewo/inception on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yeliknewo/inception
[INFO] finished tweaking git repo https://github.com/yeliknewo/inception
[INFO] tweaked toml for git repo https://github.com/yeliknewo/inception written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/yeliknewo/inception already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca84a3152c9eb8b4588b2619a88ab34d19c63ce22e303e5a101f9ac237baf105
[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" "ca84a3152c9eb8b4588b2619a88ab34d19c63ce22e303e5a101f9ac237baf105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca84a3152c9eb8b4588b2619a88ab34d19c63ce22e303e5a101f9ac237baf105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca84a3152c9eb8b4588b2619a88ab34d19c63ce22e303e5a101f9ac237baf105", kill_on_drop: false }`
[INFO] [stdout] ca84a3152c9eb8b4588b2619a88ab34d19c63ce22e303e5a101f9ac237baf105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 855f778b412aed01e5c96c14f187c545cb85ffa4f40fa1d7eb3f3914bb14d67f
[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" "855f778b412aed01e5c96c14f187c545cb85ffa4f40fa1d7eb3f3914bb14d67f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling num-traits v0.1.35
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.4
[INFO] [stderr]    Compiling lazy_static v0.2.1
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling gcc v0.3.35
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.4
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling atom v0.3.4
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling threadpool v1.3.2
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling fnv v1.0.3
[INFO] [stderr]    Compiling draw_state v0.6.0
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling osmesa-sys v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.8.0
[INFO] [stderr]    Compiling gfx_core v0.4.0
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling rayon v0.4.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "855f778b412aed01e5c96c14f187c545cb85ffa4f40fa1d7eb3f3914bb14d67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855f778b412aed01e5c96c14f187c545cb85ffa4f40fa1d7eb3f3914bb14d67f", kill_on_drop: false }`
[INFO] [stdout] 855f778b412aed01e5c96c14f187c545cb85ffa4f40fa1d7eb3f3914bb14d67f