[INFO] fetching crate dwarvish 0.0.0...
[INFO] testing dwarvish-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dwarvish 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dwarvish 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 dwarvish 0.0.0
[INFO] finished tweaking crates.io crate dwarvish 0.0.0
[INFO] tweaked toml for crates.io crate dwarvish 0.0.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 30ae48ca132f9837b28321e78e7849cfd5244f073a4f8f689141632a7d387262
[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" "30ae48ca132f9837b28321e78e7849cfd5244f073a4f8f689141632a7d387262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ae48ca132f9837b28321e78e7849cfd5244f073a4f8f689141632a7d387262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ae48ca132f9837b28321e78e7849cfd5244f073a4f8f689141632a7d387262", kill_on_drop: false }`
[INFO] [stdout] 30ae48ca132f9837b28321e78e7849cfd5244f073a4f8f689141632a7d387262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] c0afdd2e1dfefdf55ae3e9a763bea86445c6414baef462740e66eaa0f3ed9d6d
[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" "c0afdd2e1dfefdf55ae3e9a763bea86445c6414baef462740e66eaa0f3ed9d6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dwarvish v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c0afdd2e1dfefdf55ae3e9a763bea86445c6414baef462740e66eaa0f3ed9d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0afdd2e1dfefdf55ae3e9a763bea86445c6414baef462740e66eaa0f3ed9d6d", kill_on_drop: false }`
[INFO] [stdout] c0afdd2e1dfefdf55ae3e9a763bea86445c6414baef462740e66eaa0f3ed9d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6b0bb18de275bcba531e33ebbc2850f0a52a0ab03b55ed410fbe80700af262de
[INFO] running `Command { std: "docker" "start" "-a" "6b0bb18de275bcba531e33ebbc2850f0a52a0ab03b55ed410fbe80700af262de", kill_on_drop: false }`
[INFO] [stderr]    Compiling dwarvish v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "6b0bb18de275bcba531e33ebbc2850f0a52a0ab03b55ed410fbe80700af262de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0bb18de275bcba531e33ebbc2850f0a52a0ab03b55ed410fbe80700af262de", kill_on_drop: false }`
[INFO] [stdout] 6b0bb18de275bcba531e33ebbc2850f0a52a0ab03b55ed410fbe80700af262de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d1ee57445c630f25ab95ddd5f992c6f3f099ce4b1f29b77f1ded6a40414a9803
[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" "d1ee57445c630f25ab95ddd5f992c6f3f099ce4b1f29b77f1ded6a40414a9803", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dwarvish-895155d866c6972e
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dwarvish
[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" "d1ee57445c630f25ab95ddd5f992c6f3f099ce4b1f29b77f1ded6a40414a9803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ee57445c630f25ab95ddd5f992c6f3f099ce4b1f29b77f1ded6a40414a9803", kill_on_drop: false }`
[INFO] [stdout] d1ee57445c630f25ab95ddd5f992c6f3f099ce4b1f29b77f1ded6a40414a9803