[INFO] fetching crate yttrium_std_math 0.1.0...
[INFO] checking yttrium_std_math-0.1.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate yttrium_std_math 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate yttrium_std_math 0.1.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yttrium_std_math 0.1.0
[INFO] finished tweaking crates.io crate yttrium_std_math 0.1.0
[INFO] tweaked toml for crates.io crate yttrium_std_math 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded link-cplusplus v1.0.4
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.20
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.20
[INFO] [stderr]   Downloaded cxx v1.0.20
[INFO] [stderr]   Downloaded scratch v1.0.0
[INFO] [stderr]   Downloaded cxx-build v1.0.20
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04505207ddaeff60ff2341c9e0b382deeb8ccd07f64242f1ac859ea2a4340a82
[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" "04505207ddaeff60ff2341c9e0b382deeb8ccd07f64242f1ac859ea2a4340a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04505207ddaeff60ff2341c9e0b382deeb8ccd07f64242f1ac859ea2a4340a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04505207ddaeff60ff2341c9e0b382deeb8ccd07f64242f1ac859ea2a4340a82", kill_on_drop: false }`
[INFO] [stdout] 04505207ddaeff60ff2341c9e0b382deeb8ccd07f64242f1ac859ea2a4340a82
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 934814a142db4553da293a4bf198e8486eb0228cbfa6ba9ddbe47e7b61e67f4f
[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" "934814a142db4553da293a4bf198e8486eb0228cbfa6ba9ddbe47e7b61e67f4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.20
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cxx v1.0.20
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling cxx-build v1.0.20
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling command_attr v0.3.2
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.20
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling yttrium_std_math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr] error: failed to run custom build command for `yttrium_std_math v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/yttrium_std_math-04f7000099347a43/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=qalculate
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   cxxbridge error: Failed to create symlink `/opt/rustwide/target/cxxbridge/rust/cxx.h` pointing to `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cxx-1.0.20/include/cxx.h`
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]       File exists (os error 17)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "934814a142db4553da293a4bf198e8486eb0228cbfa6ba9ddbe47e7b61e67f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934814a142db4553da293a4bf198e8486eb0228cbfa6ba9ddbe47e7b61e67f4f", kill_on_drop: false }`
[INFO] [stdout] 934814a142db4553da293a4bf198e8486eb0228cbfa6ba9ddbe47e7b61e67f4f