[INFO] fetching crate cxx 1.0.56...
[INFO] checking cxx-1.0.56 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate cxx 1.0.56 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cxx 1.0.56 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx 1.0.56
[INFO] finished tweaking crates.io crate cxx 1.0.56
[INFO] tweaked toml for crates.io crate cxx 1.0.56 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", 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] 3a503f0fb116b558bfbc2b7510080e04d916f31ca7872a993528fec43c2f0fe9
[INFO] running `Command { std: "docker" "start" "-a" "3a503f0fb116b558bfbc2b7510080e04d916f31ca7872a993528fec43c2f0fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a503f0fb116b558bfbc2b7510080e04d916f31ca7872a993528fec43c2f0fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a503f0fb116b558bfbc2b7510080e04d916f31ca7872a993528fec43c2f0fe9", kill_on_drop: false }`
[INFO] [stdout] 3a503f0fb116b558bfbc2b7510080e04d916f31ca7872a993528fec43c2f0fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 23be23c418e280b9b6ea7ce9151ac22a339436994cb860ff3e3199cd5c1143c0
[INFO] running `Command { std: "docker" "start" "-a" "23be23c418e280b9b6ea7ce9151ac22a339436994cb860ff3e3199cd5c1143c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling trybuild v1.0.52
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cc v1.0.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking dissimilar v1.0.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking cxx-test-suite v0.0.0
[INFO] [stderr]    Compiling cxx v1.0.56 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cxx-test-suite-0.0.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-test-suite` 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" "23be23c418e280b9b6ea7ce9151ac22a339436994cb860ff3e3199cd5c1143c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23be23c418e280b9b6ea7ce9151ac22a339436994cb860ff3e3199cd5c1143c0", kill_on_drop: false }`
[INFO] [stdout] 23be23c418e280b9b6ea7ce9151ac22a339436994cb860ff3e3199cd5c1143c0