[INFO] fetching crate yttrium_std_math 1.0.0...
[INFO] checking yttrium_std_math-1.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate yttrium_std_math 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate yttrium_std_math 1.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yttrium_std_math 1.0.0
[INFO] finished tweaking crates.io crate yttrium_std_math 1.0.0
[INFO] tweaked toml for crates.io crate yttrium_std_math 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.50
[INFO] [stderr]   Downloaded command_attr v0.3.7
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.50
[INFO] [stderr]   Downloaded link-cplusplus v1.0.5
[INFO] [stderr]   Downloaded cxx v1.0.50
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded scratch v1.0.0
[INFO] [stderr]   Downloaded cxx-build v1.0.50
[INFO] [stderr]   Downloaded async-tungstenite v0.11.0
[INFO] [stderr]   Downloaded serenity v0.10.8
[INFO] [stderr]   Downloaded yttrium_key_base v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 465de2bbb6f9c6a91e9900252e31ae0fa608b0234182982a3e4f75679526daf8
[INFO] running `Command { std: "docker" "start" "-a" "465de2bbb6f9c6a91e9900252e31ae0fa608b0234182982a3e4f75679526daf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "465de2bbb6f9c6a91e9900252e31ae0fa608b0234182982a3e4f75679526daf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465de2bbb6f9c6a91e9900252e31ae0fa608b0234182982a3e4f75679526daf8", kill_on_drop: false }`
[INFO] [stdout] 465de2bbb6f9c6a91e9900252e31ae0fa608b0234182982a3e4f75679526daf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0aa399bec257fb19c0e8febd6d6108586ad00b399c5b52873db23a03ef538a
[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" "6d0aa399bec257fb19c0e8febd6d6108586ad00b399c5b52873db23a03ef538a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling serenity v0.10.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.5
[INFO] [stderr]    Compiling cxx v1.0.50
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling cxx-build v1.0.50
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.50
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]    Compiling yttrium_std_math v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr] error: failed to run custom build command for `yttrium_std_math v1.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/yttrium_std_math-fbb66b7b6ed1bcf3/build-script-build` (exit status: 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-1.0.50/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" "6d0aa399bec257fb19c0e8febd6d6108586ad00b399c5b52873db23a03ef538a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0aa399bec257fb19c0e8febd6d6108586ad00b399c5b52873db23a03ef538a", kill_on_drop: false }`
[INFO] [stdout] 6d0aa399bec257fb19c0e8febd6d6108586ad00b399c5b52873db23a03ef538a