[INFO] fetching crate qoeur 0.0.0...
[INFO] testing qoeur-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate qoeur 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate qoeur 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qoeur 0.0.0
[INFO] finished tweaking crates.io crate qoeur 0.0.0
[INFO] tweaked toml for crates.io crate qoeur 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate qoeur 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454da7565e3d8b29fb34d437fdef54112ccfa051d90edc0ffddf9e877b011955
[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" "454da7565e3d8b29fb34d437fdef54112ccfa051d90edc0ffddf9e877b011955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454da7565e3d8b29fb34d437fdef54112ccfa051d90edc0ffddf9e877b011955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454da7565e3d8b29fb34d437fdef54112ccfa051d90edc0ffddf9e877b011955", kill_on_drop: false }`
[INFO] [stdout] 454da7565e3d8b29fb34d437fdef54112ccfa051d90edc0ffddf9e877b011955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 229c0de958753eae7ab168ca3ffc7ae97d95122387dc33adf721ff22e81d8162
[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" "229c0de958753eae7ab168ca3ffc7ae97d95122387dc33adf721ff22e81d8162", kill_on_drop: false }`
[INFO] [stderr]    Compiling qoeur v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "229c0de958753eae7ab168ca3ffc7ae97d95122387dc33adf721ff22e81d8162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229c0de958753eae7ab168ca3ffc7ae97d95122387dc33adf721ff22e81d8162", kill_on_drop: false }`
[INFO] [stdout] 229c0de958753eae7ab168ca3ffc7ae97d95122387dc33adf721ff22e81d8162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4624752817ab0c71e29122a92e3cd43943eb27a733b5a9a3cb4d058fe0d674ae
[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" "4624752817ab0c71e29122a92e3cd43943eb27a733b5a9a3cb4d058fe0d674ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling qoeur v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "4624752817ab0c71e29122a92e3cd43943eb27a733b5a9a3cb4d058fe0d674ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4624752817ab0c71e29122a92e3cd43943eb27a733b5a9a3cb4d058fe0d674ae", kill_on_drop: false }`
[INFO] [stdout] 4624752817ab0c71e29122a92e3cd43943eb27a733b5a9a3cb4d058fe0d674ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e77812ff5958da57b9c262f008bb3a4e075067147cbf86de529fc388328d370
[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" "9e77812ff5958da57b9c262f008bb3a4e075067147cbf86de529fc388328d370", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qoeur-0e0e1f8a4369b2e4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e77812ff5958da57b9c262f008bb3a4e075067147cbf86de529fc388328d370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e77812ff5958da57b9c262f008bb3a4e075067147cbf86de529fc388328d370", kill_on_drop: false }`
[INFO] [stdout] 9e77812ff5958da57b9c262f008bb3a4e075067147cbf86de529fc388328d370