[INFO] fetching crate antic-sys 0.3.5...
[INFO] checking antic-sys-0.3.5 against master#4068bafedd8ba724e332a5221c06a6fa531a30d2 for pr-146978
[INFO] extracting crate antic-sys 0.3.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate antic-sys 0.3.5
[INFO] finished tweaking crates.io crate antic-sys 0.3.5
[INFO] tweaked toml for crates.io crate antic-sys 0.3.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate antic-sys 0.3.5 on toolchain 4068bafedd8ba724e332a5221c06a6fa531a30d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flint-sys v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 576866ffcfee7c5a4df3990668d6c2d68867f19ba9e47a76f9da7f40fd748d0d
[INFO] running `Command { std: "docker" "start" "-a" "576866ffcfee7c5a4df3990668d6c2d68867f19ba9e47a76f9da7f40fd748d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "576866ffcfee7c5a4df3990668d6c2d68867f19ba9e47a76f9da7f40fd748d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576866ffcfee7c5a4df3990668d6c2d68867f19ba9e47a76f9da7f40fd748d0d", kill_on_drop: false }`
[INFO] [stdout] 576866ffcfee7c5a4df3990668d6c2d68867f19ba9e47a76f9da7f40fd748d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4068bafedd8ba724e332a5221c06a6fa531a30d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7102a562d1ad146be4ff8148c2fd45a388fed473c7d11e10a098ad6d743c77bc
[INFO] running `Command { std: "docker" "start" "-a" "7102a562d1ad146be4ff8148c2fd45a388fed473c7d11e10a098ad6d743c77bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling flint-sys v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling antic-sys v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derivative v2.2.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7102a562d1ad146be4ff8148c2fd45a388fed473c7d11e10a098ad6d743c77bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7102a562d1ad146be4ff8148c2fd45a388fed473c7d11e10a098ad6d743c77bc", kill_on_drop: false }`
[INFO] [stdout] 7102a562d1ad146be4ff8148c2fd45a388fed473c7d11e10a098ad6d743c77bc