[INFO] cloning repository https://github.com/wegmarken2006/rsc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wegmarken2006/rsc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwegmarken2006%2Frsc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwegmarken2006%2Frsc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad01eaef340a0ab2ab9d0c60c26107f77f17fe4f
[INFO] checking wegmarken2006/rsc3 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwegmarken2006%2Frsc3" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wegmarken2006/rsc3 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 git repo https://github.com/wegmarken2006/rsc3
[INFO] finished tweaking git repo https://github.com/wegmarken2006/rsc3
[INFO] tweaked toml for git repo https://github.com/wegmarken2006/rsc3 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/wegmarken2006/rsc3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] [stdout] f6881445e745d0ed4843ac9be75e44396f5d641b803b6b43280c22d4f6c17078
[INFO] running `Command { std: "docker" "start" "-a" "f6881445e745d0ed4843ac9be75e44396f5d641b803b6b43280c22d4f6c17078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6881445e745d0ed4843ac9be75e44396f5d641b803b6b43280c22d4f6c17078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6881445e745d0ed4843ac9be75e44396f5d641b803b6b43280c22d4f6c17078", kill_on_drop: false }`
[INFO] [stdout] f6881445e745d0ed4843ac9be75e44396f5d641b803b6b43280c22d4f6c17078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] [stdout] 0a735b7f8844dc2951abe7ec0096b98575cc7207991889047a09cc29465c4a7b
[INFO] running `Command { std: "docker" "start" "-a" "0a735b7f8844dc2951abe7ec0096b98575cc7207991889047a09cc29465c4a7b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling cmake v0.1.34
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ui-sys v0.1.3
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro2 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.19/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=6ce82a432f500550 -C extra-filename=-6ce82a432f500550 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid --cfg use_proc_macro --cfg wrap_proc_macro` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a735b7f8844dc2951abe7ec0096b98575cc7207991889047a09cc29465c4a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a735b7f8844dc2951abe7ec0096b98575cc7207991889047a09cc29465c4a7b", kill_on_drop: false }`
[INFO] [stdout] 0a735b7f8844dc2951abe7ec0096b98575cc7207991889047a09cc29465c4a7b