[INFO] fetching crate token-ring 0.0.0...
[INFO] testing token-ring-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate token-ring 0.0.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate token-ring 0.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate token-ring 0.0.0
[INFO] finished tweaking crates.io crate token-ring 0.0.0
[INFO] tweaked toml for crates.io crate token-ring 0.0.0 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 403fbe8adfaa5ea7e3e1d37f045aa57fc6fb13502d0b73e2f45a3ee69f153f7c
[INFO] running `Command { std: "docker" "start" "-a" "403fbe8adfaa5ea7e3e1d37f045aa57fc6fb13502d0b73e2f45a3ee69f153f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "403fbe8adfaa5ea7e3e1d37f045aa57fc6fb13502d0b73e2f45a3ee69f153f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403fbe8adfaa5ea7e3e1d37f045aa57fc6fb13502d0b73e2f45a3ee69f153f7c", kill_on_drop: false }`
[INFO] [stdout] 403fbe8adfaa5ea7e3e1d37f045aa57fc6fb13502d0b73e2f45a3ee69f153f7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7190d3beda166d378590460202d045b9e47c3e5907f4491caa2cfab41372e5c8
[INFO] running `Command { std: "docker" "start" "-a" "7190d3beda166d378590460202d045b9e47c3e5907f4491caa2cfab41372e5c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling token-ring v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "7190d3beda166d378590460202d045b9e47c3e5907f4491caa2cfab41372e5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7190d3beda166d378590460202d045b9e47c3e5907f4491caa2cfab41372e5c8", kill_on_drop: false }`
[INFO] [stdout] 7190d3beda166d378590460202d045b9e47c3e5907f4491caa2cfab41372e5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230bd6c49ef6bf3da9934f9b3b89027fcaf92640bc46514cdffda86af2646e82
[INFO] running `Command { std: "docker" "start" "-a" "230bd6c49ef6bf3da9934f9b3b89027fcaf92640bc46514cdffda86af2646e82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling token-ring v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "230bd6c49ef6bf3da9934f9b3b89027fcaf92640bc46514cdffda86af2646e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230bd6c49ef6bf3da9934f9b3b89027fcaf92640bc46514cdffda86af2646e82", kill_on_drop: false }`
[INFO] [stdout] 230bd6c49ef6bf3da9934f9b3b89027fcaf92640bc46514cdffda86af2646e82