[INFO] cloning repository https://github.com/dnagir/rust-api-validation-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnagir/rust-api-validation-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnagir%2Frust-api-validation-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnagir%2Frust-api-validation-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 160831fa28185da68e1e1b7ee9c4425ce992ad90
[INFO] testing dnagir/rust-api-validation-playground against master#c5842b0be783dffa5a49693541acb79115c7eeef for pr-102570
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnagir%2Frust-api-validation-playground" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnagir/rust-api-validation-playground on toolchain c5842b0be783dffa5a49693541acb79115c7eeef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dnagir/rust-api-validation-playground
[INFO] finished tweaking git repo https://github.com/dnagir/rust-api-validation-playground
[INFO] tweaked toml for git repo https://github.com/dnagir/rust-api-validation-playground written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dnagir/rust-api-validation-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded validator v0.8.0
[INFO] [stderr]   Downloaded validator_derive v0.8.0
[INFO] [stderr]   Downloaded if_chain v0.1.3
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff8f4c8fcc5085aec233bed3e5075b8f090e7ac5bb2d055b2af80cb098b6838a
[INFO] running `Command { std: "docker" "start" "-a" "ff8f4c8fcc5085aec233bed3e5075b8f090e7ac5bb2d055b2af80cb098b6838a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff8f4c8fcc5085aec233bed3e5075b8f090e7ac5bb2d055b2af80cb098b6838a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8f4c8fcc5085aec233bed3e5075b8f090e7ac5bb2d055b2af80cb098b6838a", kill_on_drop: false }`
[INFO] [stdout] ff8f4c8fcc5085aec233bed3e5075b8f090e7ac5bb2d055b2af80cb098b6838a
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d41df0d8396a9af80c566dda37579002e03a350e68dc3e3a6c6ac3c3f1e7c86
[INFO] running `Command { std: "docker" "start" "-a" "1d41df0d8396a9af80c566dda37579002e03a350e68dc3e3a6c6ac3c3f1e7c86", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1d41df0d8396a9af80c566dda37579002e03a350e68dc3e3a6c6ac3c3f1e7c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d41df0d8396a9af80c566dda37579002e03a350e68dc3e3a6c6ac3c3f1e7c86", kill_on_drop: false }`
[INFO] [stdout] 1d41df0d8396a9af80c566dda37579002e03a350e68dc3e3a6c6ac3c3f1e7c86