[INFO] cloning repository https://github.com/nnmm/sorting_bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnmm/sorting_bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fsorting_bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fsorting_bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 280564927d1f2280efb628047927269030fdf6e5
[INFO] testing nnmm/sorting_bench against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fsorting_bench" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnmm/sorting_bench 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 git repo https://github.com/nnmm/sorting_bench
[INFO] finished tweaking git repo https://github.com/nnmm/sorting_bench
[INFO] tweaked toml for git repo https://github.com/nnmm/sorting_bench written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nnmm/sorting_bench already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 00bdadf93708db710e248c8d60ec5dbbdc69a664d75086291ca1ebaae4e2fce7
[INFO] running `Command { std: "docker" "start" "-a" "00bdadf93708db710e248c8d60ec5dbbdc69a664d75086291ca1ebaae4e2fce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00bdadf93708db710e248c8d60ec5dbbdc69a664d75086291ca1ebaae4e2fce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bdadf93708db710e248c8d60ec5dbbdc69a664d75086291ca1ebaae4e2fce7", kill_on_drop: false }`
[INFO] [stdout] 00bdadf93708db710e248c8d60ec5dbbdc69a664d75086291ca1ebaae4e2fce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b12fe1ff192da54b46eb57388ab3a1ac5fe749efcaa3e79b068a4f873dd107
[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" "42b12fe1ff192da54b46eb57388ab3a1ac5fe749efcaa3e79b068a4f873dd107", kill_on_drop: false }`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "42b12fe1ff192da54b46eb57388ab3a1ac5fe749efcaa3e79b068a4f873dd107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b12fe1ff192da54b46eb57388ab3a1ac5fe749efcaa3e79b068a4f873dd107", kill_on_drop: false }`
[INFO] [stdout] 42b12fe1ff192da54b46eb57388ab3a1ac5fe749efcaa3e79b068a4f873dd107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1343fd05a2ba866a04ba8a3dbad619cad3357d7c1d21b5cb3b395e9233801e88
[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" "1343fd05a2ba866a04ba8a3dbad619cad3357d7c1d21b5cb3b395e9233801e88", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "1343fd05a2ba866a04ba8a3dbad619cad3357d7c1d21b5cb3b395e9233801e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1343fd05a2ba866a04ba8a3dbad619cad3357d7c1d21b5cb3b395e9233801e88", kill_on_drop: false }`
[INFO] [stdout] 1343fd05a2ba866a04ba8a3dbad619cad3357d7c1d21b5cb3b395e9233801e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8dba873d340d77dcc7a39e5a0b858fc2b82c07db402314f7aca2aaf47fd53959
[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" "8dba873d340d77dcc7a39e5a0b858fc2b82c07db402314f7aca2aaf47fd53959", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "8dba873d340d77dcc7a39e5a0b858fc2b82c07db402314f7aca2aaf47fd53959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dba873d340d77dcc7a39e5a0b858fc2b82c07db402314f7aca2aaf47fd53959", kill_on_drop: false }`
[INFO] [stdout] 8dba873d340d77dcc7a39e5a0b858fc2b82c07db402314f7aca2aaf47fd53959