[INFO] fetching crate tinysort 0.1.0...
[INFO] testing tinysort-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tinysort 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tinysort 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinysort 0.1.0
[INFO] finished tweaking crates.io crate tinysort 0.1.0
[INFO] tweaked toml for crates.io crate tinysort 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 102710651f16d4c027e519ebf9f37513c69a517421550c68ba3a567a2f3ed160
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "102710651f16d4c027e519ebf9f37513c69a517421550c68ba3a567a2f3ed160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "102710651f16d4c027e519ebf9f37513c69a517421550c68ba3a567a2f3ed160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102710651f16d4c027e519ebf9f37513c69a517421550c68ba3a567a2f3ed160", kill_on_drop: false }`
[INFO] [stdout] 102710651f16d4c027e519ebf9f37513c69a517421550c68ba3a567a2f3ed160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4af73983cf7c589457c773a5a046c4f5b3da1c8471da5db6bef6e18be626d7e3
[INFO] running `Command { std: "docker" "start" "-a" "4af73983cf7c589457c773a5a046c4f5b3da1c8471da5db6bef6e18be626d7e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinysort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4af73983cf7c589457c773a5a046c4f5b3da1c8471da5db6bef6e18be626d7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af73983cf7c589457c773a5a046c4f5b3da1c8471da5db6bef6e18be626d7e3", kill_on_drop: false }`
[INFO] [stdout] 4af73983cf7c589457c773a5a046c4f5b3da1c8471da5db6bef6e18be626d7e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbf2d553d8c2070d5d62e0507d0c8cccbb412dbd17a2f726cfa1d2acff3c9208
[INFO] running `Command { std: "docker" "start" "-a" "cbf2d553d8c2070d5d62e0507d0c8cccbb412dbd17a2f726cfa1d2acff3c9208", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinysort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "cbf2d553d8c2070d5d62e0507d0c8cccbb412dbd17a2f726cfa1d2acff3c9208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf2d553d8c2070d5d62e0507d0c8cccbb412dbd17a2f726cfa1d2acff3c9208", kill_on_drop: false }`
[INFO] [stdout] cbf2d553d8c2070d5d62e0507d0c8cccbb412dbd17a2f726cfa1d2acff3c9208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8c90dc4c40122bf344b5f28117834781ddc5d2f2a16d47cd80cff804dcb070f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a8c90dc4c40122bf344b5f28117834781ddc5d2f2a16d47cd80cff804dcb070f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinysort-b85243806fc5bd45)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_arithmetic_coding has been running for over 60 seconds
[INFO] [stdout] test test::test_classic_example has been running for over 60 seconds
[INFO] [stdout] test test::test_classic_example ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a8c90dc4c40122bf344b5f28117834781ddc5d2f2a16d47cd80cff804dcb070f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c90dc4c40122bf344b5f28117834781ddc5d2f2a16d47cd80cff804dcb070f", kill_on_drop: false }`
[INFO] [stdout] a8c90dc4c40122bf344b5f28117834781ddc5d2f2a16d47cd80cff804dcb070f