[INFO] cloning repository https://github.com/happychameleon/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/happychameleon/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappychameleon%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappychameleon%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba8b97f79664bbdf148d8b35fdb8fdddb7c4f81
[INFO] testing happychameleon/rust_practice against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappychameleon%2Frust_practice" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/happychameleon/rust_practice on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/happychameleon/rust_practice
[INFO] finished tweaking git repo https://github.com/happychameleon/rust_practice
[INFO] tweaked toml for git repo https://github.com/happychameleon/rust_practice written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/happychameleon/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dbcdedd0e102db42fe4bfa5fc99df524939d32e51d5875aaa197b62605c1800
[INFO] running `Command { std: "docker" "start" "-a" "7dbcdedd0e102db42fe4bfa5fc99df524939d32e51d5875aaa197b62605c1800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbcdedd0e102db42fe4bfa5fc99df524939d32e51d5875aaa197b62605c1800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbcdedd0e102db42fe4bfa5fc99df524939d32e51d5875aaa197b62605c1800", kill_on_drop: false }`
[INFO] [stdout] 7dbcdedd0e102db42fe4bfa5fc99df524939d32e51d5875aaa197b62605c1800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1bf281af29daea7ce8bb3175b644d7bacdc89a46a262bfed42686bdd1d3d2e1
[INFO] running `Command { std: "docker" "start" "-a" "d1bf281af29daea7ce8bb3175b644d7bacdc89a46a262bfed42686bdd1d3d2e1", 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" "d1bf281af29daea7ce8bb3175b644d7bacdc89a46a262bfed42686bdd1d3d2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bf281af29daea7ce8bb3175b644d7bacdc89a46a262bfed42686bdd1d3d2e1", kill_on_drop: false }`
[INFO] [stdout] d1bf281af29daea7ce8bb3175b644d7bacdc89a46a262bfed42686bdd1d3d2e1