[INFO] fetching crate ramen 0.0.1...
[INFO] testing ramen-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ramen 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ramen 0.0.1 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 ramen 0.0.1
[INFO] finished tweaking crates.io crate ramen 0.0.1
[INFO] tweaked toml for crates.io crate ramen 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27e3543c621f764d9410a1fbff2ed948f44c88bd0ab67abf5bb697fcaa77c0f9
[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" "27e3543c621f764d9410a1fbff2ed948f44c88bd0ab67abf5bb697fcaa77c0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27e3543c621f764d9410a1fbff2ed948f44c88bd0ab67abf5bb697fcaa77c0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e3543c621f764d9410a1fbff2ed948f44c88bd0ab67abf5bb697fcaa77c0f9", kill_on_drop: false }`
[INFO] [stdout] 27e3543c621f764d9410a1fbff2ed948f44c88bd0ab67abf5bb697fcaa77c0f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "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] 58045b693f0c7c3848fd17dc0c65f01ff32fce8a327c56c865da0e5f1a7c6bea
[INFO] running `Command { std: "docker" "start" "-a" "58045b693f0c7c3848fd17dc0c65f01ff32fce8a327c56c865da0e5f1a7c6bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling ramen v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "58045b693f0c7c3848fd17dc0c65f01ff32fce8a327c56c865da0e5f1a7c6bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58045b693f0c7c3848fd17dc0c65f01ff32fce8a327c56c865da0e5f1a7c6bea", kill_on_drop: false }`
[INFO] [stdout] 58045b693f0c7c3848fd17dc0c65f01ff32fce8a327c56c865da0e5f1a7c6bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29bd9e1151f1af64f3d4a32e73ef1d4495f2c4203f532d194fdd6ab57183aac3
[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" "29bd9e1151f1af64f3d4a32e73ef1d4495f2c4203f532d194fdd6ab57183aac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ramen v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "29bd9e1151f1af64f3d4a32e73ef1d4495f2c4203f532d194fdd6ab57183aac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bd9e1151f1af64f3d4a32e73ef1d4495f2c4203f532d194fdd6ab57183aac3", kill_on_drop: false }`
[INFO] [stdout] 29bd9e1151f1af64f3d4a32e73ef1d4495f2c4203f532d194fdd6ab57183aac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cebe134bb8137553dd1e807d7cc02a3f1065d1501558a230dceeacbf1ce4849e
[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" "cebe134bb8137553dd1e807d7cc02a3f1065d1501558a230dceeacbf1ce4849e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ramen-cff6c1bf0ccbe914
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ramen
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "cebe134bb8137553dd1e807d7cc02a3f1065d1501558a230dceeacbf1ce4849e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebe134bb8137553dd1e807d7cc02a3f1065d1501558a230dceeacbf1ce4849e", kill_on_drop: false }`
[INFO] [stdout] cebe134bb8137553dd1e807d7cc02a3f1065d1501558a230dceeacbf1ce4849e