[INFO] fetching crate cxx 1.0.54...
[INFO] checking cxx-1.0.54 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate cxx 1.0.54 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cxx 1.0.54 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx 1.0.54
[INFO] finished tweaking crates.io crate cxx 1.0.54
[INFO] tweaked toml for crates.io crate cxx 1.0.54 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxx-test-suite v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] b6f43afc2f436c7d33918b888ef11e4252108c9721766af0cd5d878b82f7b2ac
[INFO] running `Command { std: "docker" "start" "-a" "b6f43afc2f436c7d33918b888ef11e4252108c9721766af0cd5d878b82f7b2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f43afc2f436c7d33918b888ef11e4252108c9721766af0cd5d878b82f7b2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f43afc2f436c7d33918b888ef11e4252108c9721766af0cd5d878b82f7b2ac", kill_on_drop: false }`
[INFO] [stdout] b6f43afc2f436c7d33918b888ef11e4252108c9721766af0cd5d878b82f7b2ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3f04ee3c2b4a9ef79f9409eccaaa1a35ffdc0191adb8ebcb912d4477faae98
[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" "4b3f04ee3c2b4a9ef79f9409eccaaa1a35ffdc0191adb8ebcb912d4477faae98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.54
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]     Checking cc v1.0.70
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking cxx-test-suite v0.0.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.5
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking scratch v1.0.0
[INFO] [stderr]    Compiling cxx v1.0.54 (/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" "4b3f04ee3c2b4a9ef79f9409eccaaa1a35ffdc0191adb8ebcb912d4477faae98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3f04ee3c2b4a9ef79f9409eccaaa1a35ffdc0191adb8ebcb912d4477faae98", kill_on_drop: false }`
[INFO] [stdout] 4b3f04ee3c2b4a9ef79f9409eccaaa1a35ffdc0191adb8ebcb912d4477faae98