[INFO] cloning repository https://github.com/sinclabs/rustlings-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinclabs/rustlings-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinclabs%2Frustlings-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinclabs%2Frustlings-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c2cf6da755efe02725e05ecc3a303304c10a6da
[INFO] testing sinclabs/rustlings-practice against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinclabs%2Frustlings-practice" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinclabs/rustlings-practice on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sinclabs/rustlings-practice
[INFO] finished tweaking git repo https://github.com/sinclabs/rustlings-practice
[INFO] tweaked toml for git repo https://github.com/sinclabs/rustlings-practice written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/sinclabs/rustlings-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 console v0.7.5
[INFO] [stderr]   Downloaded encode_unicode v0.3.5
[INFO] [stderr]   Downloaded console v0.6.2
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded clicolors-control v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.1
[INFO] [stderr]   Downloaded filetime v0.2.5
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] [stderr]   Downloaded notify v4.0.12
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecdfd170224cdb09b08da36bb46875b9062bef9d5c97492ca4146aaa885a955a
[INFO] running `Command { std: "docker" "start" "-a" "ecdfd170224cdb09b08da36bb46875b9062bef9d5c97492ca4146aaa885a955a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecdfd170224cdb09b08da36bb46875b9062bef9d5c97492ca4146aaa885a955a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdfd170224cdb09b08da36bb46875b9062bef9d5c97492ca4146aaa885a955a", kill_on_drop: false }`
[INFO] [stdout] ecdfd170224cdb09b08da36bb46875b9062bef9d5c97492ca4146aaa885a955a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43cb62d4728bab0e5afc355f48d6463fd58dcc91b2fa839705af3aef42542506
[INFO] running `Command { std: "docker" "start" "-a" "43cb62d4728bab0e5afc355f48d6463fd58dcc91b2fa839705af3aef42542506", 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" "43cb62d4728bab0e5afc355f48d6463fd58dcc91b2fa839705af3aef42542506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43cb62d4728bab0e5afc355f48d6463fd58dcc91b2fa839705af3aef42542506", kill_on_drop: false }`
[INFO] [stdout] 43cb62d4728bab0e5afc355f48d6463fd58dcc91b2fa839705af3aef42542506