[INFO] cloning repository https://github.com/charles-tangqu/tcpserverdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charles-tangqu/tcpserverdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-tangqu%2Ftcpserverdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-tangqu%2Ftcpserverdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad68e03fcddbd856d1e385fb25249e8c42b8913e
[INFO] testing charles-tangqu/tcpserverdemo against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-tangqu%2Ftcpserverdemo" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charles-tangqu/tcpserverdemo on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charles-tangqu/tcpserverdemo
[INFO] finished tweaking git repo https://github.com/charles-tangqu/tcpserverdemo
[INFO] tweaked toml for git repo https://github.com/charles-tangqu/tcpserverdemo written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/charles-tangqu/tcpserverdemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8de8c745a73e6521c206b1324942dffd0310348c0838edb722ee3d221e5e59c6
[INFO] running `Command { std: "docker" "start" "-a" "8de8c745a73e6521c206b1324942dffd0310348c0838edb722ee3d221e5e59c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8de8c745a73e6521c206b1324942dffd0310348c0838edb722ee3d221e5e59c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de8c745a73e6521c206b1324942dffd0310348c0838edb722ee3d221e5e59c6", kill_on_drop: false }`
[INFO] [stdout] 8de8c745a73e6521c206b1324942dffd0310348c0838edb722ee3d221e5e59c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81d951bca5b7d35a23379f0573ea7bcac53ce40a56f26a919fe6e01de84d79df
[INFO] running `Command { std: "docker" "start" "-a" "81d951bca5b7d35a23379f0573ea7bcac53ce40a56f26a919fe6e01de84d79df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcpserverdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.15s
[INFO] running `Command { std: "docker" "inspect" "81d951bca5b7d35a23379f0573ea7bcac53ce40a56f26a919fe6e01de84d79df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d951bca5b7d35a23379f0573ea7bcac53ce40a56f26a919fe6e01de84d79df", kill_on_drop: false }`
[INFO] [stdout] 81d951bca5b7d35a23379f0573ea7bcac53ce40a56f26a919fe6e01de84d79df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41620cb580cf5d784f4d683c7d9d437d1cba34ecc8d4c235c93de7ad2ff36d2f
[INFO] running `Command { std: "docker" "start" "-a" "41620cb580cf5d784f4d683c7d9d437d1cba34ecc8d4c235c93de7ad2ff36d2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcpserverdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 17s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tcpserverdemo-f6ca66842c291edd)
[INFO] running `Command { std: "docker" "inspect" "41620cb580cf5d784f4d683c7d9d437d1cba34ecc8d4c235c93de7ad2ff36d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41620cb580cf5d784f4d683c7d9d437d1cba34ecc8d4c235c93de7ad2ff36d2f", kill_on_drop: false }`
[INFO] [stdout] 41620cb580cf5d784f4d683c7d9d437d1cba34ecc8d4c235c93de7ad2ff36d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 087b6dfb9d095cc02379f3a422129fca45f2444cd4f89882f823e1f5cb663bb4
[INFO] running `Command { std: "docker" "start" "-a" "087b6dfb9d095cc02379f3a422129fca45f2444cd4f89882f823e1f5cb663bb4", 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" "087b6dfb9d095cc02379f3a422129fca45f2444cd4f89882f823e1f5cb663bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087b6dfb9d095cc02379f3a422129fca45f2444cd4f89882f823e1f5cb663bb4", kill_on_drop: false }`
[INFO] [stdout] 087b6dfb9d095cc02379f3a422129fca45f2444cd4f89882f823e1f5cb663bb4