[INFO] fetching crate vex-sys 0.3.1...
[INFO] checking vex-sys-0.3.1 against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] extracting crate vex-sys 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate vex-sys 0.3.1
[INFO] finished tweaking crates.io crate vex-sys 0.3.1
[INFO] tweaked toml for crates.io crate vex-sys 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vex-sys 0.3.1 on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.69.5 (available: v0.72.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9a0a970b1027824b060367901b7aea9e8b56695f0836d82d466929ef2a134b4
[INFO] running `Command { std: "docker" "start" "-a" "a9a0a970b1027824b060367901b7aea9e8b56695f0836d82d466929ef2a134b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a0a970b1027824b060367901b7aea9e8b56695f0836d82d466929ef2a134b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a0a970b1027824b060367901b7aea9e8b56695f0836d82d466929ef2a134b4", kill_on_drop: false }`
[INFO] [stdout] a9a0a970b1027824b060367901b7aea9e8b56695f0836d82d466929ef2a134b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de8bcc223b15e561ffb82521f5c84f78c7647951565a6f2937190ca362ca6009
[INFO] running `Command { std: "docker" "start" "-a" "de8bcc223b15e561ffb82521f5c84f78c7647951565a6f2937190ca362ca6009", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling vex-sys v0.3.1 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "de8bcc223b15e561ffb82521f5c84f78c7647951565a6f2937190ca362ca6009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8bcc223b15e561ffb82521f5c84f78c7647951565a6f2937190ca362ca6009", kill_on_drop: false }`
[INFO] [stdout] de8bcc223b15e561ffb82521f5c84f78c7647951565a6f2937190ca362ca6009