[INFO] fetching crate scuba 0.0.0...
[INFO] testing scuba-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate scuba 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate scuba 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 scuba 0.0.0
[INFO] finished tweaking crates.io crate scuba 0.0.0
[INFO] tweaked toml for crates.io crate scuba 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate scuba 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8f9ab38a22026ff6b4fd69f9a1b09115fa2f78fb6c2236b0391a207e3b5b7637
[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" "8f9ab38a22026ff6b4fd69f9a1b09115fa2f78fb6c2236b0391a207e3b5b7637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f9ab38a22026ff6b4fd69f9a1b09115fa2f78fb6c2236b0391a207e3b5b7637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9ab38a22026ff6b4fd69f9a1b09115fa2f78fb6c2236b0391a207e3b5b7637", kill_on_drop: false }`
[INFO] [stdout] 8f9ab38a22026ff6b4fd69f9a1b09115fa2f78fb6c2236b0391a207e3b5b7637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fb7cc20150cdcbb3f276c55994651cebed92c2ad593002ee2623fab84d9cde46
[INFO] running `Command { std: "docker" "start" "-a" "fb7cc20150cdcbb3f276c55994651cebed92c2ad593002ee2623fab84d9cde46", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuba v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "fb7cc20150cdcbb3f276c55994651cebed92c2ad593002ee2623fab84d9cde46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7cc20150cdcbb3f276c55994651cebed92c2ad593002ee2623fab84d9cde46", kill_on_drop: false }`
[INFO] [stdout] fb7cc20150cdcbb3f276c55994651cebed92c2ad593002ee2623fab84d9cde46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71f4a877d184409ac01cff8882b0355101488e2b25228cb58f9c667b5716f6ac
[INFO] running `Command { std: "docker" "start" "-a" "71f4a877d184409ac01cff8882b0355101488e2b25228cb58f9c667b5716f6ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling scuba v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "71f4a877d184409ac01cff8882b0355101488e2b25228cb58f9c667b5716f6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f4a877d184409ac01cff8882b0355101488e2b25228cb58f9c667b5716f6ac", kill_on_drop: false }`
[INFO] [stdout] 71f4a877d184409ac01cff8882b0355101488e2b25228cb58f9c667b5716f6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca7b524c2f91a0d78c5a04fd3f2056b48bcd52eb69924554e47611cf2e65ce0f
[INFO] running `Command { std: "docker" "start" "-a" "ca7b524c2f91a0d78c5a04fd3f2056b48bcd52eb69924554e47611cf2e65ce0f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scuba-1991b4f2ac58acc3
[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" "ca7b524c2f91a0d78c5a04fd3f2056b48bcd52eb69924554e47611cf2e65ce0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7b524c2f91a0d78c5a04fd3f2056b48bcd52eb69924554e47611cf2e65ce0f", kill_on_drop: false }`
[INFO] [stdout] ca7b524c2f91a0d78c5a04fd3f2056b48bcd52eb69924554e47611cf2e65ce0f