[INFO] fetching crate tinysort 0.1.0...
[INFO] testing tinysort-0.1.0 against beta-2021-01-01 for beta-1.50-1
[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 beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5b03af9ad690d67e3c394617f4e72aafbd62d5c71d2351f9ed29f18ef84e349
[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" "c5b03af9ad690d67e3c394617f4e72aafbd62d5c71d2351f9ed29f18ef84e349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b03af9ad690d67e3c394617f4e72aafbd62d5c71d2351f9ed29f18ef84e349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b03af9ad690d67e3c394617f4e72aafbd62d5c71d2351f9ed29f18ef84e349", kill_on_drop: false }`
[INFO] [stdout] c5b03af9ad690d67e3c394617f4e72aafbd62d5c71d2351f9ed29f18ef84e349
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 55572f01e3e6d3147aa8e9c9bca0476f829c8fd7cba01b38a8cf72c9d9a28030
[INFO] running `Command { std: "docker" "start" "-a" "55572f01e3e6d3147aa8e9c9bca0476f829c8fd7cba01b38a8cf72c9d9a28030", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinysort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "55572f01e3e6d3147aa8e9c9bca0476f829c8fd7cba01b38a8cf72c9d9a28030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55572f01e3e6d3147aa8e9c9bca0476f829c8fd7cba01b38a8cf72c9d9a28030", kill_on_drop: false }`
[INFO] [stdout] 55572f01e3e6d3147aa8e9c9bca0476f829c8fd7cba01b38a8cf72c9d9a28030
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b1ddec50be209f386b69ef71e3c23cb27d0522b0ba5472b02066b34093c3589
[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" "5b1ddec50be209f386b69ef71e3c23cb27d0522b0ba5472b02066b34093c3589", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tinysort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "5b1ddec50be209f386b69ef71e3c23cb27d0522b0ba5472b02066b34093c3589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1ddec50be209f386b69ef71e3c23cb27d0522b0ba5472b02066b34093c3589", kill_on_drop: false }`
[INFO] [stdout] 5b1ddec50be209f386b69ef71e3c23cb27d0522b0ba5472b02066b34093c3589
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b89fb9c4f18e60be070efa95cea51f792c674cb5c4936863839231a6ca79ebdc
[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" "b89fb9c4f18e60be070efa95cea51f792c674cb5c4936863839231a6ca79ebdc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tinysort-ded478a361f59e65
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_classic_example ... test test::test_classic_example has been running for over 60 seconds
[INFO] [stdout] test test::test_arithmetic_coding ... test test::test_arithmetic_coding 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" "b89fb9c4f18e60be070efa95cea51f792c674cb5c4936863839231a6ca79ebdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89fb9c4f18e60be070efa95cea51f792c674cb5c4936863839231a6ca79ebdc", kill_on_drop: false }`
[INFO] [stdout] b89fb9c4f18e60be070efa95cea51f792c674cb5c4936863839231a6ca79ebdc